Gotowe bibliografie tematyczne / Flight fight freeze system

Gotowa bibliografia na temat „Flight fight freeze system”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 20 lutego 2023

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Artykuły w czasopismach na temat "Flight fight freeze system"

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Kramer, Sam L., i Benjamin F. Rodriguez. "A Comparison of Reinforcement Sensitivity Theory Measures: Unique Associations With Social Interaction Anxiety and Social Observation Anxiety". Assessment 25, nr 5 (24.06.2016): 627–39. http://dx.doi.org/10.1177/1073191116654003.

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Evidence suggests that the behavior inhibition system (BIS) and fight-flight-freeze system play a role in the individual differences seen in social anxiety disorder; however, findings concerning the role of the behavior approach system (BAS) have been mixed. To date, the role of revised reinforcement sensitivity theory (RST) subsystems underlying social anxiety has been measured with scales designed for the original RST. This study examined how the BIS, BAS, and fight, flight, freeze components of the fight-flight-freeze system uniquely relate to social interaction anxiety and social observation anxiety using both a measure specifically designed for the revised RST and a commonly used original RST measure. Comparison of regression analyses with the Jackson-5 and the commonly used BIS/BAS Scales revealed important differences in the relationships between RST subsystems and social anxiety depending on how RST was assessed. Limitations and future directions for revised RST measurement are discussed.
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Corr, Philip J., i Adam M. Perkins. "Differentiating defensive and predatory aggression: Neuropsychological systems and personality in sex differences". Behavioral and Brain Sciences 32, nr 3-4 (sierpień 2009): 274–75. http://dx.doi.org/10.1017/s0140525x09990434.

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AbstractWe draw a distinction between defensive and predatory forms of aggression, and how these forms relate to basic neuropsychological systems, especially the Fight-Flight-Freeze-System (FFFS; putatively related to defensive aggression), and the Behavioural Approach System (BAS; putatively related to predatory aggression). These systems may help further to account for proximal brain processes and personality influences in the context of sex differences.
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Roelofs, Karin. "Freeze for action: neurobiological mechanisms in animal and human freezing". Philosophical Transactions of the Royal Society B: Biological Sciences 372, nr 1718 (27.02.2017): 20160206. http://dx.doi.org/10.1098/rstb.2016.0206.

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Upon increasing levels of threat, animals activate qualitatively different defensive modes, including freezing and active fight-or-flight reactions. Whereas freezing is a form of behavioural inhibition accompanied by parasympathetically dominated heart rate deceleration, fight-or-flight reactions are associated with sympathetically driven heart rate acceleration. Despite the potential relevance of freezing for human stress-coping, its phenomenology and neurobiological underpinnings remain largely unexplored in humans. Studies in rodents have shown that freezing depends on amygdala projections to the brainstem (periaqueductal grey). Recent neuroimaging studies in humans have indicated that similar brain regions may be involved in human freezing. In addition, flexibly shifting between freezing and active defensive modes is critical for adequate stress-coping and relies on fronto-amygdala connections. This review paper presents a model detailing these neural mechanisms involved in freezing and the shift to fight-or-flight action. Freezing is not a passive state but rather a parasympathetic brake on the motor system, relevant to perception and action preparation. Study of these defensive responses in humans may advance insights into human stress-related psychopathologies characterized by rigidity in behavioural stress reactions. The paper therefore concludes with a research agenda to stimulate translational animal–human research in this emerging field of human defensive stress responses. This article is part of the themed issue ‘Movement suppression: brain mechanisms for stopping and stillness’.
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Punkanen, Marko, Marjo Nyberg i Tiinapriitta Savela. "Vibroacoustic Therapy in the treatment of developmental trauma: Developing safety through vibrations". Music and Medicine 9, nr 3 (28.07.2017): 198. http://dx.doi.org/10.47513/mmd.v9i3.539.

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Developmental/attachment trauma strongly affects a child’s developing self-regulation skills, feelings of safety, and their abilities to use their social engagement system instead of defensive reactions like fight, flight, freeze, and total submission. Vibroacoustic therapy (VAT) uses pulsed, sinusoidal, low frequency sound on a specially designed mattress or chair. Based on clinical experience VAT seems to help regulate a traumatized child’s autonomic nervous system and gradually develop the bodily-related feeling of safety.
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Ranđelović, Kristina, Snežana Smederevac, Petar Čolović i Philip J. Corr. "Fear and Anxiety in Social Setting". Journal of Individual Differences 39, nr 2 (kwiecień 2018): 61–75. http://dx.doi.org/10.1027/1614-0001/a000251.

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Abstract. The purpose of this study was to examine the effects of dispositional and situational factors on cognitive biases. The theoretical background was based on Kimbrel’s Mediated Model of Social Anxiety and the revised reinforcement sensitivity theory by Gray and McNaughton. Two experiments were conducted. Study 1 (78 participants [85.9% females, aged 19–21 years]) included the induction of potential social threat, while in Study 2 (121 participants [85.1% females, aged 19–23 years]) real threat was used. The Reinforcement Sensitivity Questionnaire was employed as a measure of personality traits (Behavioral Inhibition System [BIS], Behavioral Approach System [BAS], Fight, Flight, and Freeze). Cognitive biases were assessed with the Dot Probe Task (attentional bias), Incidental Free Recall Task (memory bias), and Social Probability Cost Questionnaire (judgmental bias). The probability of occurrence of negative events was higher in the experimental group. BIS contributed positively to the prediction of probability of occurrence of negative events; and Freeze was positively related to attention bias toward pleasant stimuli. The results of the second study showed that experimentally induced circumstances of social threats did not affect cognitive biases. BIS and Freeze contributed positively to prediction of probability and distress in social context, while BIS was positively related with probability of occurrence of negative social events.
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Hanscom, David, David Roger Clawson, Stephen W. Porges, Ray Bunnage, Les Aria, Steve Lederman, James Taylor i C. Sue Carter. "Polyvagal and Global Cytokine Theory of Safety and Threat Covid-19 – Plan B". SciMedicine Journal 2 (8.08.2020): 9–27. http://dx.doi.org/10.28991/scimedj-2020-02-si-2.

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We are presenting this document to medical providers as a systematic approach to improve outcomes of patients with COVID-19. The following variables are considered: Autonomic nervous system viewed from the perspective of the Polyvagal Theory; Timing of interventions in terms of phase of the body’s defense (Fight, Flight, Freeze, Faint); The nervous system considered the context of a “One System” perspective; Protein/Enzyme function; Immune system; Cytokine load - activity, inflammation and metabolic response; Viral load; Angiotensin 2 load.The ARDS and multi-system organ failure of the COVID-19 is a complex problem. This approach acknowledges the complexity and presents a structure where the variables are systematically addressed.1. The common risk factors for death are associated with baseline elevations of pro-inflammatory cytokines. Measures can be taken to lower them before being exposed to the virus–Plan A.2. Strategies to optimize the body’s defenses should be assessed and optimized. These include nutrition, vitamins, and trace elements, sleep, exercise, and minimizing threat.3. The body’s own resources are utilized through recruiting the autonomic nervous system to counteract elevated pro-inflammatory cytokines. The interventions are implemented in the context of what stage of defense the body is in–fight, flight, freeze, or faint.4. Progressive pharmacological interventions are considered with the early interventions being those with minimal risk.We are asking the following:This approach is viewed as the foundation for clinical interventions. They should be implemented in a systematic and stepwise manner.Most of the treatments are already medically proven with minimal or no risk.All basic treatments are in place before more aggressive interventions are implemented.That this process be considered a framework to test clinical protocols and novel therapies. Much work needs to be done regarding dosing and timing.We are particularly interested in the potential of the following interventions, which do need to be looked at in a protocol.o Allowing ketosis in the Mid and Late Phases of the illness.o Considering the use of ketone bodies instead of glucose for fuel in Mid and Late Phases of illness.o Eliminating glucocorticosteroids in the Early and Mid-Phases the use of steroids.o Utilizing the anti-inflammatory cholinergic nervous system (vagal stimulation, nicotine patches, etc.).o Closer monitoring of IL-6 to in real time deliver the most appropriate interventions.
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Wiebe, Donald. "“Pseudo-Speciation of the Human Race:Religions as Hazard-Precaution Systems”". Method & Theory in the Study of Religion 25, nr 4-5 (2013): 410–30. http://dx.doi.org/10.1163/15700682-12341304.

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Abstract Human individuals and groups have faced not only immediate and obvious threats to their welfare that trigger a flight-fight-or-freeze response but also long-term and unpredictable challenges to their general security. Defence systems against such threats involve detecting subtle signs of potential danger and eliciting precautionary responses to them. I will argue here that there is sufficient evidence in the historical, psychological, and anthropological literature to suggest that religions emerged as such “natural security systems.” I will also suggest, however, that with the global improvement in human physical well-being religions no longer play this kind of protective role and may themselves have become a threat to modern civilization.
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Mitrovic, Dusanka, Snezana Smederevac i Petar Colovic. "Latent structure and construct validity of the reinforcement sensitivity questionnaire". Psihologija 41, nr 4 (2008): 555–75. http://dx.doi.org/10.2298/psi0804555m.

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The Revised reinforcement sensitivity theory contains three basic systems: Behavioral inhibition system (BAS), Behavioral activation system (BIS) and the Fight/ Flight/ Freeze (FFF) system. In this model, BIS is a system for detection of potential conflict or threat, and FFFS differs three basic patterns of reaction to actual or perceived danger. In Study 1, which was aimed at the examination of the latent structure of the RSQ, was conducted on a sample of 472 participants of both genders. The best - fitting model suggests that, at the top level of hierarchy, three dimensions exist, which are analogous to the BIS, BAS and FFF. The last dimension contains three subordinate dimensions, which represent the subsystems of the FFF. Study 2, in which 203 subjects participated, was aimed at examination of the relations between the dimensions of the Revised reinforcement sensitivity theory and dimensions of the PEN model. Confirmatory factor analyses of the RSQ and EPQ-R dimensions revealed that the best-fitting model comprised three latent dimensions, the first one being analogous to the BIS - Neuroticism, the second one to the BAS - Extraversion, and the third to the Aggressiveness- Psychoticism. The structure of the latent dimensions is in accordance with the expectations. The results state that fear and anxiety (which neurophysiological distinction is emphasized by Gray), are substantively similar on the behavioral level. Also, the results suggest that the Freeze dimension is probably closer to the BIS system than to the FFF.
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Spencer, Christopher C., Joshua D. Foster i Jeffrey S. Bedwell. "Structural Relationships Among the Revised Reinforcement Sensitivity Theory and Grandiose and Vulnerable Narcissism". Journal of Personality Disorders 32, nr 5 (październik 2018): 654–67. http://dx.doi.org/10.1521/pedi_2017_31_318.

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Research shows that grandiosity and vulnerability are distinct aspects of narcissism. The Contemporary Clinical Model (CCM) of narcissism suggests that individuals fluctuate between grandiose narcissism (GN) and vulnerable narcissism (VN). The authors examine the relative contributions of the Behavioral Approach System (BAS), the Behavioral Inhibition System (BIS), and the Fight-Flight-Freeze System (FFFS) in the Revised Reinforcement Sensitivity Theory of Personality (r-RST) to GN and VN. Few studies examine the r-RST, and even fewer examine the VN and GN distinction. To remain consistent with the CCM, structural equation modeling was used to account for individuals’ relative levels of VN and GN. Across two independent samples (Ns = 854 and 258), results indicated that GN is associated with higher BAS scores and that VN is associated with higher BIS scores. Relations among GN, VN, and FFFS were inconsistent between samples. Implications of the r-RST results are interpreted within the context of the CCM.
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Kossak, Mitchell. "Editorial". Journal of Applied Arts & Health 13, nr 1 (1.03.2022): 3–9. http://dx.doi.org/10.1386/jaah_00098_2.

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During the COVID-19 pandemic many artists, researchers and academics have continued their vital work in applied arts and health. In this time of challenge, the loss of embodied connection with others has led many to feel overwhelmed, filled with anxiety, fear and overall disconnection. This collective resonance can be similar to what occurs when one is exposed to traumatic events, including fight, flight or freeze responses. Recent research points to the positive effects of rhythmic activities, that the arts provide, to address these reactions and re-regulate the nervous system. Many of the articles in this issue demonstrate how the arts have been utilized towards addressing the loss of embodied rhythmic affective states, sharing of deep emotional states, providing a path towards health and well-being. These research articles and ‘Notes from the Field’ illustrate once again the power of the arts to resonate and bring individuals and communities together.
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Rozprawy doktorskie na temat "Flight fight freeze system"

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Kramer, Samuel Louis. "The Influence of Revised Reinforcement Sensitivity Theory Subsystems on Social Interaction and Social Observation Anxiety". OpenSIUC, 2014. https://opensiuc.lib.siu.edu/theses/1429.

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Evidence suggests that both the BIS and the BAS play a role in the individual differences seen in social anxiety disorder; however, findings concerning the role of the BAS have been mixed. To date, the role of RST subsystems underlying social anxiety has been measured with outdated scales. This study addressed this issue by using a measure purpose-built for the revised RST. The current study was able to replicate past findings that the BAS is differentially related to social interaction anxiety and social observation anxiety (Kimbrel et al., 2010; Kimbrel et al., 2012). While using a newer measure based on the revised RST; however, results indicated that BAS sensitivity related to both subdimensions of social anxiety. In addition, findings indicate that the RST systems remain good predictors of social anxiety symptoms even after accounting for the influence of levels of positive and negative affect. Implications and future directions are discussed.
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Schlesinger, Carla M., i n/a. "The Role of Individual Differences in Additional Substance Use in a Methadone Maintained Population". Griffith University. School of Psychology, 2006. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20061109.150823.

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It is well established that methadone maintenance (MM) reduces but does not eliminate the self-administration of other illicit drugs. For those on MM, there is considerable variation in consumption patterns, route of heroin administration, additional non-opioid substances routinely administered and the clinical disorders associated with these patterns of use. While there is a large literature base documenting these phenomena, studies have been almost exclusively descriptive in nature, with little attempt to develop a theoretical model in which to understand such use. In the following thesis, a model proposed by Gray was tested, the Reinforcement Sensitivity Theory (RST). This biopsychosocial model broadly describes two action tendencies; approach (Behavioural Activation System) and avoidance or withdrawal (Flight Fight Freeze System and the Behavioural Inhibition System). The model proposes that a heightened sensitivity to punishment underlies anxiety disorders. Conversely, a heightened sensitivity to rewarding stimuli may predispose some individuals to engage in highly rewarding behaviour and is associated with conduct disorder and antisocial personality disorder. According to the Joint Subsystems Hypothesis, these personality styles are mutually dependent, whereby BIS and BAS interact to influence reward mediated and punishment mediated behaviours. Based on Gray's model, this thesis tests whether opiate dependent individuals with heightened sensitivity to punishment are more likely to use anxiolytic drugs (such as benzodiazepines), and individuals with heightened reward sensitivity will show a preference for substances that have high reward potential (such as stimulants). At time one, the participant sample (N= 120) comprised 71 males (59%) and 49 females who were opioid dependent and recruitment took place over an eight-month period in two city opioid replacement clinics. A range of measures was administered to assess substance use, mood, anxiety and the personality dimensions of reward sensitivity and punishment sensitivity, with substance use again measured at three months. Results of the first study suggested that a large proportion of the variance was accounted for by personality within the models. A total of 98 participants (81%) participated in the 12-week follow-up study. Sensitivity to punishment and reward significantly predicted drug preference. Although psychopathology symptoms were not able to moderate the relationship between personality and drug use, anxiety symptoms negatively mediated the relationship between punishment sensitivity and anxiolytic use, whereby the relationship became non-significant. In contrast, sensitivity to reward remained the strongest predictor of amphetamine use over antisocial characteristics. Individual differences were not able to predict treatment retention nor susceptibility to relapse during a 12-week initiation to a MM programme.
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Schlesinger, Carla. "The Role of Individual Differences in Additional Substance Use in a Methadone Maintained Population". Thesis, Griffith University, 2006. http://hdl.handle.net/10072/367929.

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It is well established that methadone maintenance (MM) reduces but does not eliminate the self-administration of other illicit drugs. For those on MM, there is considerable variation in consumption patterns, route of heroin administration, additional non-opioid substances routinely administered and the clinical disorders associated with these patterns of use. While there is a large literature base documenting these phenomena, studies have been almost exclusively descriptive in nature, with little attempt to develop a theoretical model in which to understand such use. In the following thesis, a model proposed by Gray was tested, the Reinforcement Sensitivity Theory (RST). This biopsychosocial model broadly describes two action tendencies; approach (Behavioural Activation System) and avoidance or withdrawal (Flight Fight Freeze System and the Behavioural Inhibition System). The model proposes that a heightened sensitivity to punishment underlies anxiety disorders. Conversely, a heightened sensitivity to rewarding stimuli may predispose some individuals to engage in highly rewarding behaviour and is associated with conduct disorder and antisocial personality disorder. According to the Joint Subsystems Hypothesis, these personality styles are mutually dependent, whereby BIS and BAS interact to influence reward mediated and punishment mediated behaviours. Based on Gray's model, this thesis tests whether opiate dependent individuals with heightened sensitivity to punishment are more likely to use anxiolytic drugs (such as benzodiazepines), and individuals with heightened reward sensitivity will show a preference for substances that have high reward potential (such as stimulants). At time one, the participant sample (N= 120) comprised 71 males (59%) and 49 females who were opioid dependent and recruitment took place over an eight-month period in two city opioid replacement clinics. A range of measures was administered to assess substance use, mood, anxiety and the personality dimensions of reward sensitivity and punishment sensitivity, with substance use again measured at three months. Results of the first study suggested that a large proportion of the variance was accounted for by personality within the models. A total of 98 participants (81%) participated in the 12-week follow-up study. Sensitivity to punishment and reward significantly predicted drug preference. Although psychopathology symptoms were not able to moderate the relationship between personality and drug use, anxiety symptoms negatively mediated the relationship between punishment sensitivity and anxiolytic use, whereby the relationship became non-significant. In contrast, sensitivity to reward remained the strongest predictor of amphetamine use over antisocial characteristics. Individual differences were not able to predict treatment retention nor susceptibility to relapse during a 12-week initiation to a MM programme.
Thesis (PhD Doctorate)
Doctor of Philosophy (PhD)
School of Psychology
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Röben, Tobias [Verfasser], Eike [Akademischer Betreuer] Stumpf i Dieter [Akademischer Betreuer] Moormann. "Hybrid actuation in primary flight control systems : a force-fight inhibiting system architecture / Tobias Röben ; Eike Stumpf, Dieter Moormann". Aachen : Universitätsbibliothek der RWTH Aachen, 2018. http://d-nb.info/1191188906/34.

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Książki na temat "Flight fight freeze system"

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Harper, Dr Faith G. Unfuck Your Brain: Getting Over Anxiety, Depression, Anger, Freak-Outs, and Triggers with science. USA: Microcosm Publishing, 2017.

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Enderle, Jim, i Patricia Moya. Fight, Flight or Freeze: A Love Story. Red Engine Press, 2021.

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Fight Flight Freeze Taming Your Reptilian Brain And Other Practical Approaches To Selfimprovement. Eloquent Books, 2008.

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Bell, Carl C. Juveniles. Oxford University Press, 2015. http://dx.doi.org/10.1093/med/9780199360574.003.0056.

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The incarceration of juveniles occurs in both juvenile systems and adult correctional systems, depending on jurisdiction, age, and criminal charges. Holding adolescents responsible for behavior that sometimes leads to juvenile crimes ensures that offenders will be held accountable, but also provides justice to victims. However, children are still developing, and their brains develop from bottom up and inside out causing their flight, fight, or freeze (limbic) systems to be fully engaged before their judgment and wisdom (frontal lobe) systems are in place to mediate their behavior. Children are not little adults. More simply put - children are essentially all gasoline and no brakes or steering wheel, and they need mature adults to provide braking and steering until they can develop their own internal control systems. Accordingly, the mechanisms of accountability for juveniles should not mimic adult punishments. Suicide risk, developmental disabilities such as fetal alcohol spectrum disorder, and trauma histories are each of particular importance in this age group. Considering the complexity of the mental, emotional, and behavioral disorders of youth in corrections, there are several best-practice approaches to screening, assessment, and treatment. This chapter reviews the history of juvenile incarceration, and best or evidence-based practices in the management and treatment of incarcerated juvenile offenders.
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Bell, Carl C. Juveniles. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199360574.003.0056_update_001.

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The incarceration of juveniles occurs in both juvenile systems and adult correctional systems, depending on jurisdiction, age, and criminal charges. Holding adolescents responsible for behavior that sometimes leads to juvenile crimes ensures that offenders will be held accountable, but also provides justice to victims. However, children are still developing, and their brains develop from bottom up and inside out causing their flight, fight, or freeze (limbic) systems to be fully engaged before their judgment and wisdom (frontal lobe) systems are in place to mediate their behavior. Children are not little adults. More simply put - children are essentially all gasoline and no brakes or steering wheel, and they need mature adults to provide braking and steering until they can develop their own internal control systems. Accordingly, the mechanisms of accountability for juveniles should not mimic adult punishments. Suicide risk, developmental disabilities such as fetal alcohol spectrum disorder, and trauma histories are each of particular importance in this age group. Considering the complexity of the mental, emotional, and behavioral disorders of youth in corrections, there are several best-practice approaches to screening, assessment, and treatment. This chapter reviews the history of juvenile incarceration, and best or evidence-based practices in the management and treatment of incarcerated juvenile offenders.
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Mark-Griffin, Christine. Flamingo Frenzy: A Story & Workbook to Help Children Learn about the Trauma Responses of FIGHT, FLIGHT, FREEZE & FAWN. Spark All Wellness, 2021.

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Hazelton, Kim. Calm down, Child: 50+ Strategies to Turn down the Fight, Flight, Freeze in Your Anxious, Stressed and Angry Child. Independently Published, 2020.

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Soft, Jason. Pilot Flight Record Book: Pilot Fight Log| Flight Crew Record Book| Aviation Pilot Logbook| Unmanned Aircraft System 8x10in – Paperback. CreateSpace Independent Publishing Platform, 2018.

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Soft, Jason. Pilot Flight Record Book: Pilot Fight Log| Flight Crew Record Book| Aviation Pilot Logbook| Unmanned Aircraft System 8x10in - Paperback. CreateSpace Independent Publishing Platform, 2018.

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Soft, Jason. Flight Crew Log Book: Pilot Fight Log| Flight Crew Record Book| Aviation Pilot Logbook| Unmanned Aircraft System 8x10in – Paperback. Createspace Independent Publishing Platform, 2018.

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Części książek na temat "Flight fight freeze system"

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Donahue, John J. "Fight-Flight-Freeze System". W Encyclopedia of Personality and Individual Differences, 1590–95. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-24612-3_751.

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Donahue, John J. "Fight-Flight-Freeze System". W Encyclopedia of Personality and Individual Differences, 1–6. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-28099-8_751-1.

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Barker, Eileen. "Fight, flight or freeze?" W Reactions to the Law by Minority Religions, 1–22. Milton Park, Abingdon, Oxon; New York, NY: Routledge, 2021. |: Routledge, 2020. http://dx.doi.org/10.4324/9781003053590-1.

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Fosse, Magdalena J. "Fight, Flight, or Freeze: The Neuropsychology of Attachment Psychodynamics". W The Many Faces of Polyamory, 106–10. Milton Park, Abingdon, Oxon ; New York, NY : Routledge, 2021.: Routledge, 2021. http://dx.doi.org/10.4324/9781315145969-5-18.

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Livecchi, Tracy, i Liza Morton. "Understanding the Body’s Alarm System". W Healing Hearts and Minds, 41—C3.F5. Oxford University PressNew York, 2023. http://dx.doi.org/10.1093/oso/9780197657287.003.0003.

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Abstract Developing the reader’s understanding of anxiety and panic is the focus of Chapter 3. Readers are provided with an in-depth description of how the body responds to perceived threat, which can result in its “alarm system” being activated, leading to feelings of anxiety. This response is normalized as a survival mechanism which originates from the autonomic nervous system to facilitate protective “fight, flight, or freeze” behaviors. At times this response can be triggered unnecessarily in a “false alarm” or panic. Congenital heart condition–related stressors, including repeated exposure to invasive medical procedures, medical uncertainty, and childhood trauma, are discussed as potentially contributing to increased vulnerability to feelings of anxiety and panic. The chapter explores different ways in which anxiety can present, including panic attacks, heart-focused health anxiety, and posttraumatic stress disorder.
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Honeycutt, James M., i Ryan D. Rasner. "An Evolutionary Science Perspective on Intuition, Rationality, Conflict, and Moral Judgments". W Advances in Linguistics and Communication Studies, 49–61. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-7439-3.ch003.

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Moral judgments can be the result of cognitive deliberations, which develop with age and socialization. Rationality began in humans with the development of the cerebral cortex. Alternatively, they can be the based-on survival mechanisms emanating in the sympathetic nervous based on innate, survival mechanisms (fight, flight, freeze) and the amygdala. Common examples are road rage (e.g., I was right while the other driver was wrong, cut me off, and could have killed me) and hold-your-ground state laws for self-defense (the victim was justified in killing the intruder, even though the intruder had no weapon when reaching into their coat pocket). Moral decision making can be based on an innate survival mechanism. Those who did this did not survive and were not our ancestors. This chapter reviews the research on signal detection theory, how aggression is favored over conciliation, as cognitive reasoning breaks down. Physiological studies involving the sympathetic and parasympathetic nervous system are reviewed in terms of the amygdala and emotional intelligence.
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"FIGHT, FLIGHT, FREEZE OR FALL". W irs Managing Conflict in the Workplace, 26–27. Routledge, 2009. http://dx.doi.org/10.4324/9780080575179-10.

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"Fight-Flight System". W Encyclopedia of Personality and Individual Differences, 1590. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-24612-3_300981.

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"CHAPTER 6 FIGHT, FLIGHT, OR FREEZE". W This Must Be the Place, 55–76. Cornell University Press, 2017. http://dx.doi.org/10.1515/9781501758027-006.

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"Trauma, Instinct, and the Brain: The Fight/ Flight/Freeze Response". W The Body Bears the Burden, 34–48. Routledge, 2012. http://dx.doi.org/10.4324/9780203836361-8.

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Streszczenia konferencji na temat "Flight fight freeze system"

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Singh, Kumar Vikram, Laura A. McDonough, John Mottershead i Jonathan Cooper. "Active Aeroelastic Control Using the Receptance Method". W ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38877.

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The control and manipulation of dynamic instabilities, such as flutter, is termed as aeroelastic control and is extremely important in designing next generation flexible and maneuverable aircrafts. One of the goals of an aeroelastic control is to extend stable fight conditions for a large range of aerodynamic flow conditions. The associated control problem deals in adjusting and assigning the eigenvalues (which determine the natural frequencies and damping ratios) of the aeroelastic system for achieving the desired closed-loop behavior by active or passive means. In this paper, an active aeroelastic control problem, associated with the wing model, is formulated and eigenvalue assignment to achieve flutter free flight envelope is developed by using a new control methodology known as the Receptance Method. This method is entirely based upon transfer functions, typically obtained from a standard modal test by using actuators and sensors. This method has several advantages over traditional aeroelastic control approach which leads to state-space formulations. For example, it does not require the estimation of structural matrices (i.e. mass, stiffness and damping) as well as rational function approximations of aeroelastic influence coefficient matrices. The control gains are obtained without the knowledge of system matrices and purely from the receptance matrices. The feasibility study of this approach for aeroelastic control is considered here using several simple numerical aeroelastic systems. The control gains for eigenvalue assignments are obtained from receptance matrices and the performance of the controller is compared with those obtained by the state-space approach. Numerical examples associated with the eigenvalue assignment problems to adjust the natural frequency as well as damping ratio and to extend the flutter envelope by active means are presented. The actuator dynamics of the control surface and its effect on receptance based control is also studied. We envision that this new approach will facilitate an alternative method to address aeroelastic control problems and eventually will provide a practical solution for implementing active aeroelastic control.
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Yonke, W. A., R. J. Landy i J. F. Stewart. "HIDEC Adaptive Engine Control System Flight Evaluation Results". W ASME 1987 International Gas Turbine Conference and Exhibition. American Society of Mechanical Engineers, 1987. http://dx.doi.org/10.1115/87-gt-257.

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An integrated flight propulsion control mode called Adaptive Engine Control System (ADECS) has been developed and flight demonstrated on an F-15 test aircraft in the Highly Integrated Digital Electronic Control (HIDEC) Program, sponsored by the NASA Ames/Dryden Flight Research Center. The ADECS system provides additional engine thrust by increasing engine pressure ratio (EPR) at intermediate and afterburning power. The amount of EPR uptrim is modulated based on a unique predictor scheme for angle-of-attack and sideslip angle thus ensuring adequate fan stall margin for the engine. These predicted angles are derived from fight control and inertial navigation information. The ADECS mode demonstrated substantial improvements in aircraft and engine performance in the flight evaluation program, even with only one engine incorporating EPR uptrim. Highlights were a 16% rate of climb increase, a 14% reduction in time to climb, and a 15% reduction in time to accelerate. Significant EPR uptrim capability was demonstrated with angles-of-attack up to 20 degrees.
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Herve, Alexandre, Gilles Peres, Alte De Boer, Michiel Bardet, Franck Flourens i Jean-Francois Boissin. "In-flight Lightning Damage Assessment System (ILDAS): Diagnostic performance assessment with in-fight lightning data". W 2014 International Symposium on Electromagnetic Compatibility - EMC EUROPE. IEEE, 2014. http://dx.doi.org/10.1109/emceurope.2014.6930974.

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Roedts(II), Robert. "The Bambi Bucket: Evolution of the Most Versatile Aerial Firefighting Tool". W Vertical Flight Society 78th Annual Forum & Technology Display. The Vertical Flight Society, 2022. http://dx.doi.org/10.4050/f-0078-2022-17589.

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From humble beginnings in the 1940s, helicopters have become an integral part of managing and fighting wildfires throughout the world. Starting in the 1950s and over the next several decades, various government agencies increased the utilization of helicopters in their management of wildfires across the US and deployed new technologies. One of the most impactful technologies developed was using a slung bucket to dump water. Initially using repurposed construction and agricultural equipment, these early generation buckets were dipped in sources of water and released using a simple mechanical gate system. In parallel with these early generation buckets, the technique of long-line operations were being perfected that allowed flight crews to increase separation from terrain and increased control of the external load. Over the next several decades, these buckets were steadily improved and incorporated into firefighting operations across the work. In addition, the use of long lines for external loads allowed the use of remote water sources and increased precision water drops. In 1982, Don Arney developed the ubiquitous "Bambi Bucket." This bucket was innovative in many ways: easily scalable, lightweight, collapsible, stowable, and reduced drag. Today, helicopters have become the main aerial resource to fight wildfires across the world. Furthermore, helicopters outfitted with Bambi Buckets account for 90% of all firefighting operations.
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Yevlakhov, Viktor, Leonid Moroz, Andrii Khandrymailov i Yuriy Hyrka. "Transient Analysis of Aircraft Oil Supply System With Fuel-Oil Heat Exchangers During Abrupt Change in Engine Operating Modes". W ASME Turbo Expo 2021: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/gt2021-59992.

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Abstract During different airplane flight modes, various effects may appear that need to be analyzed for both the oil and the fuel system at steady-state and transient operating modes. The effects, which relate to the cold temperature, associated with fuel freeze or wax point, cause a malfunction in the fuel pumps, nozzles, and other areas of the fuel system. On the other hand, high fuel temperature also leads to negative effects — the most common failure of high-flow fuel systems is cavitation, or “vapor-lock.” The combination of too much heat or too much inlet restriction can create this operating condition, where the liquid fuel literally boils inside the fuel pump. These effects are eliminated by the fuel/oil heat exchange system. In case of low fuel temperature, the fuel is used as a refrigerant to cool down hot oil coming from bearings. And in case of high fuel temperature, the oil serves as a coolant. This paper considers the method of evaluating normal and critical aircraft engine operation modes of the oil supply system with a fuel-oil heat exchanger utilizing an unsteady-state thermal-fluid network approach. The analyses are done based on the aircraft engine example to evaluate fuel and oil systems parameters variation in time under different flight conditions — the amount of fuel in the tank, inertial thermal effects, and the response time of the system to the regulation of the heat exchanger. The article is focused on sudden switching from a high to low gas engine operating mode. Fuel consumption to the engine is reduced abruptly, but the heat transfer from the bearings to the oil is still high due to thermal inertia. In this situation, a large amount of heated fuel must be returned to the fuel tank. At a certain point in time, the temperature of the fuel can reach a critical value. At the same time bearing cooling becomes ineffective, which leads to overheating. The calculation of thermal management system was performed at nominal conditions to obtain the initial data for low power settings analysis. As results of analysis at the low power settings mode the oil temperature before fuel cooled oil cooler is reached above 138 °C, which is high value. The failure of flow return valve is considered. The variations of oil temperature after the tank and increasing of fuel temperature at the tank in case of emergency situation are obtained. The influence of cooled fuel amount on the system thermal management is analyzed.
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Yang, Tao, Li Zhang, Hui-Ren Zhu i Xing-Ming Wang. "Numerical Study on Film Effectiveness and Heat Transfer Characteristics of Aero-Engine Nose Cone With Hot Air Film". W ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14649.

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Abstract When the aircraft works in an environment containing supercooled water droplets, it is easy to cause the engine inlet nose cone on the windward side to freeze, which not only affects the performance of the engine, but also leads to flight accidents. Therefore, it is necessary to research the anti-icing technology of aero-engine nose cone components. At present, the air intake cone of the aircraft mainly forms a thermal anti-icing system by means of hot film anti-icing and heating impingement anti-icing. In this paper, the effects of blowing ratio, film hole pitch, hole shape and film hole arrangement method on film heating effectiveness and heat transfer characteristics are studied by numerical simulation methods for the hot film anti-icing system of the nose cone. The results show that with the increase of the blowing ratio, the film heating effectiveness in the downstream area quickly decreases first and then increases, and the range of change aggrandizes. Under the given condition, as the pitch between the film holes decreases, the area covered by the film extends, and the heating effectiveness improves significantly. In the case of high blowing ratio, the advantage of film heating effectiveness of waist-shaped film hole is more apparent. The laterally-averaged film heating effectiveness of the staggered film holes is much higher than that of the aligned film holes. For the characteristics of film heat transfer, the hole pitch and hole shape has little effect on the heat transfer characteristics at low blowing ratio. In the case of high blowing ratio, the heat transfer effect will be greatly weakened when the hole pitch is increased, moreover the heat transfer efficiency of the waist-shaped hole is better. In the region near the exit of the secondary row film hole, the heat transfer characteristics of the staggered structure is stronger than that in the aligned structure. In addition, it is found that the high heat transfer region for staggered arrangement shows W–shaped.
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Leborgne, François, Reon Smits, Maya Gencheva, Stefan De Vries, Erwin Meinders, Pierre Cluitmans, Chris Lee i Jan-carlos Kuhlmann. "The development of a washable and durable smart textile to measure electrodermal activity for early stress recognition". W Intelligent Human Systems Integration (IHSI 2023) Integrating People and Intelligent Systems. AHFE International, 2023. http://dx.doi.org/10.54941/ahfe1002872.

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This paper presents the results of the development of a new sock garment with integrated electrodes for monitoring physiological signals for stress detection in people with intellectual disabilities or dementia. Misunderstood stress-induced behaviours reduce the quality of life of these individuals and complicate caregiver support and treatment, as the correct interpretation of these behaviours. One of the physiological parameters most related to stress is electrodermal activity (EDA). It shows a direct response to the sympathetic nervous system activation ('fight or flight' response) in the form of a change in skin electrical properties such as skin conductance (SC) or skin impedance (SI). The phasic component of EDA is associated with short-term events and occurs in the presence of stimuli that control sweat gland activity. Therefore, analysis of this signal can be used as an indicator of emotional arousal or stress.To continuously measure EDA on an individual, a comfortable, durable, and easy-to-use carrier is essential. Current medical electrode patches (carriers) have limited user-friendliness because of their large shape and risk of skin irritation during extended use. Besides, the daily disposal of electrode patches would pose a major supply chain challenge and generate large amounts of medical waste. Furthermore, depending on the target group, classic wrist sensors may not be accepted by patients due to their discomfort and removed during recording. Considering the above limitations, a garment sock with integrated electrodes was proven to be the most efficient location in terms of signal quality, comfort, and an optimal alternative to standard medical electrodes. This allows the electrodes to be applied in one handling while maintaining permanent spacing and positioning of the electrodes on the skin. This garment can also be reused several times after regular washing cycles. Screen printing was chosen as a method for incorporating conductive electrodes onto garments. Conductive inks can be printed onto the garment directly or onto a thermoplastic polyurethane (TPU) film, which has been proven to be a suitable material for this type of integration. Screen printing onto these films offers both high flexibility and stretchability. The printing process allows the use of complex designs, such as stacking layers and printing dielectric insulating layers on top of the conductive layers. Different types of connectors were studied and designed to convert this stretchable film into a fixed connector tail with strain relief. Finally, test prints were made in a lab to validate each material and ink combination of silver, carbon, and dielectric inks. This aim was to achieve the desired robustness, and flexibility and to optimise the position of the sensors to achieve a good balance between patient comfort and good EDA signal output.The work showed that the use of advanced screen-printing technologies in the smart sock was the best solution to ensure high wear comfort while maintaining good signal quality even after repeated use and washing while maintaining low costs and high flexibility during production. In addition, the sheet-to-sheet production method proved to be cost-effective and enabled rapid changes in the material stack and sock design.
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