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Relevant bibliographies by topics / Facial expressivity

Academic literature on the topic 'Facial expressivity'

Author: Grafiati

Published: 4 June 2021

Last updated: 19 February 2022

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Journal articles on the topic "Facial expressivity"

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SIMONS, GWENDA, MARCIA C. SMITH PASQUALINI, VASUDEVI REDDY, and JULIA WOOD. "Emotional and nonemotional facial expressions in people with Parkinson's disease." Journal of the International Neuropsychological Society 10, no. 4 (July 2004): 521–35. http://dx.doi.org/10.1017/s135561770410413x.

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We investigated facial expressivity in 19 people with Parkinson's disease (PD; 14 men and 5 women) and 26 healthy controls (13 men and 13 women). Participants engaged in experimental situations that were designed to evoke emotional facial expressions, including watching video clips and holding conversations, and were asked to pose emotions and imitate nonemotional facial movements. Expressivity was measured with subjective rating scales, objective facial measurements (Facial Action Coding System), and self-report questionnaires. As expected, PD participants showed reduced spontaneous facial expressivity across experimental situations. PD participants also had more difficulty than controls posing emotional expressions and imitating nonemotional facial movements. Despite these difficulties, however, PD participants' overall level of expressivity was still tied to emotional experience and social context. (JINS, 2004, 10, 521–535.)

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Silvey, Brian A. "The Role of Conductor Facial Expression in Students’ Evaluation of Ensemble Expressivity." Journal of Research in Music Education 60, no. 4 (October 19, 2012): 419–29. http://dx.doi.org/10.1177/0022429412462580.

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The purpose of this study was to explore whether conductor facial expression affected the expressivity ratings assigned to music excerpts by high school band students. Three actors were videotaped while portraying approving, neutral, and disapproving facial expressions. Each video was duplicated twice and then synchronized with one of three professional wind ensemble recordings. Participants ( N = 133) viewed nine 1-min videos of varying facial expressions, actors, and excerpts and rated each ensemble’s expressivity on a 10-point rating scale. Results of a one-way repeated measures ANOVA indicated that conductor facial expression significantly affected ratings of ensemble expressivity ( p < .001, partial η2 = .15). Post hoc comparisons revealed that participants’ ensemble expressivity ratings were significantly higher for excerpts featuring approving facial expressions than for either neutral or disapproving expressions. Participants’ mean ratings were lowest for neutral facial expression excerpts, indicating that an absence of facial affect influenced evaluations of ensemble expressivity most negatively.

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Wu, Peng, Isabel Gonzalez, Georgios Patsis, Dongmei Jiang, Hichem Sahli, Eric Kerckhofs, and Marie Vandekerckhove. "Objectifying Facial Expressivity Assessment of Parkinson’s Patients: Preliminary Study." Computational and Mathematical Methods in Medicine 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/427826.

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Patients with Parkinson’s disease (PD) can exhibit a reduction of spontaneous facial expression, designated as “facial masking,” a symptom in which facial muscles become rigid. To improve clinical assessment of facial expressivity of PD, this work attempts to quantify the dynamic facial expressivity (facial activity) of PD by automatically recognizing facial action units (AUs) and estimating their intensity. Spontaneous facial expressivity was assessed by comparing 7 PD patients with 8 control participants. To voluntarily produce spontaneous facial expressions that resemble those typically triggered by emotions, six emotions (amusement, sadness, anger, disgust, surprise, and fear) were elicited using movie clips. During the movie clips, physiological signals (facial electromyography (EMG) and electrocardiogram (ECG)) and frontal face video of the participants were recorded. The participants were asked to report on their emotional states throughout the experiment. We first examined the effectiveness of the emotion manipulation by evaluating the participant’s self-reports. Disgust-induced emotions were significantly higher than the other emotions. Thus we focused on the analysis of the recorded data during watching disgust movie clips. The proposed facial expressivity assessment approach captured differences in facial expressivity between PD patients and controls. Also differences between PD patients with different progression of Parkinson’s disease have been observed.

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Woolley, J. D., B. Chuang, C. Fussell, S. Scherer, B. Biagianti, D. Fulford, D. H. Mathalon, and S. Vinogradov. "Intranasal oxytocin increases facial expressivity, but not ratings of trustworthiness, in patients with schizophrenia and healthy controls." Psychological Medicine 47, no. 7 (January 16, 2017): 1311–22. http://dx.doi.org/10.1017/s0033291716003433.

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BackgroundBlunted facial affect is a common negative symptom of schizophrenia. Additionally, assessing the trustworthiness of faces is a social cognitive ability that is impaired in schizophrenia. Currently available pharmacological agents are ineffective at improving either of these symptoms, despite their clinical significance. The hypothalamic neuropeptide oxytocin has multiple prosocial effects when administered intranasally to healthy individuals and shows promise in decreasing negative symptoms and enhancing social cognition in schizophrenia. Although two small studies have investigated oxytocin's effects on ratings of facial trustworthiness in schizophrenia, its effects on facial expressivity have not been investigated in any population.MethodWe investigated the effects of oxytocin on facial emotional expressivity while participants performed a facial trustworthiness rating task in 33 individuals with schizophrenia and 35 age-matched healthy controls using a double-blind, placebo-controlled, cross-over design. Participants rated the trustworthiness of presented faces interspersed with emotionally evocative photographs while being video-recorded. Participants’ facial expressivity in these videos was quantified by blind raters using a well-validated manualized approach (i.e. the Facial Expression Coding System; FACES).ResultsWhile oxytocin administration did not affect ratings of facial trustworthiness, it significantly increased facial expressivity in individuals with schizophrenia (Z = −2.33, p = 0.02) and at trend level in healthy controls (Z = −1.87, p = 0.06).ConclusionsThese results demonstrate that oxytocin administration can increase facial expressivity in response to emotional stimuli and suggest that oxytocin may have the potential to serve as a treatment for blunted facial affect in schizophrenia.

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Dobson, Seth. "Face to face with the social brain." Philosophical Transactions of the Royal Society B: Biological Sciences 367, no. 1597 (July 5, 2012): 1901–8. http://dx.doi.org/10.1098/rstb.2011.0224.

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Recent comparative evidence suggests that anthropoid primates are the only vertebrates to exhibit a quantitative relationship between relative brain size and social group size. In this paper, I attempt to explain this pattern with regard to facial expressivity and social bonding. I hypothesize that facial motor control increases as a secondary consequence of neocortical expansion owing to cortical innervation of the facial motor nucleus. This is supported by new analyses demonstrating correlated evolution between relative neocortex size and relative facial nucleus size. I also hypothesize that increased facial motor control correlates with enhanced emotional expressivity, which provides the opportunity for individuals to better gauge the trustworthiness of group members. This is supported by previous evidence from human psychology, as well as new analyses demonstrating a positive relationship between allogrooming and facial nucleus volume. I suggest new approaches to the study of primate facial expressivity in light of these hypotheses.

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Hildebrandt, A., S. Olderbak, W. Sommer, and O. Wilhelm. "Modeling individual differences in facial expressivity." Personality and Individual Differences 60 (April 2014): S36. http://dx.doi.org/10.1016/j.paid.2013.07.084.

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Peterson, Johnathan Caleb, Carly Jacobs, John Hibbing, and Kevin Smith. "In your face." Politics and the Life Sciences 37, no. 1 (2018): 53–67. http://dx.doi.org/10.1017/pls.2017.13.

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Research suggests that people can accurately predict the political affiliations of others using only information extracted from the face. It is less clear from this research, however, what particular facial physiological processes or features communicate such information. Using a model of emotion developed in psychology that treats emotional expressivity as an individual-level trait, this article provides a theoretical account of why emotional expressivity may provide reliable signals of political orientation, and it tests the theory in four empirical studies. We find statistically significant liberal/conservative differences in self-reported emotional expressivity, in facial emotional expressivity measured physiologically, in the perceived emotional expressivity and ideology of political elites, and in an experiment that finds that more emotionally expressive faces are perceived as more liberal.

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Hamm, Jihun, Amy Pinkham, Ruben C. Gur, Ragini Verma, and Christian G. Kohler. "Dimensional Information-Theoretic Measurement of Facial Emotion Expressions in Schizophrenia." Schizophrenia Research and Treatment 2014 (2014): 1–10. http://dx.doi.org/10.1155/2014/243907.

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Altered facial expressions of emotions are characteristic impairments in schizophrenia. Ratings of affect have traditionally been limited to clinical rating scales and facial muscle movement analysis, which require extensive training and have limitations based on methodology and ecological validity. To improve reliable assessment of dynamic facial expression changes, we have developed automated measurements of facial emotion expressions based on information-theoretic measures of expressivity ofambiguityanddistinctivenessof facial expressions. These measures were examined in matched groups of persons with schizophrenia (n=28) and healthy controls (n=26) who underwent video acquisition to assess expressivity of basic emotions (happiness, sadness, anger, fear, and disgust) in evoked conditions. Persons with schizophrenia scored higher onambiguity, the measure of conditional entropy within the expression of a single emotion, and they scored lower ondistinctiveness, the measure of mutual information across expressions of different emotions. The automated measures compared favorably with observer-based ratings. This method can be applied for delineating dynamic emotional expressivity in healthy and clinical populations.

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Pickens, Jeffrey, and Tiffany Field. "Facial expressivity in infants of depressed mothers." Developmental Psychology 29, no. 6 (1993): 986–88. http://dx.doi.org/10.1037/0012-1649.29.6.986.

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Blonder, L. X., A. F. Burns, D. Bowers, R. W. Moore, and K. M. Heilman. "Right Hemisphere Facial Expressivity During Natural Conversation." Brain and Cognition 21, no. 1 (January 1993): 44–56. http://dx.doi.org/10.1006/brcg.1993.1003.

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Dissertations / Theses on the topic "Facial expressivity"

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Simons, Gwenda. "Emotional facial expresivity : exploring the assumption of an expressivity trait in healthy people and Parkinson's disease patients." Thesis, University of Portsmouth, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271386.

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Reeder, Matthew, and res cand@acu edu au. "The Emotional Congruence of Experience and Bodily Change." Australian Catholic University. School of Psychology, 2001. http://dlibrary.acu.edu.au/digitaltheses/public/adt-acuvp10.09042006.

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This study examined the association of the experience of emotion and somatic changes. The study compared reported somatic changes generally experienced when anxious with the actual association of the experience of emotion and somatic changes as measured during a specific event. Emotions were measured as both general negative emotion as well as specific emotions: anger, disgust, fear, sadness and shame. Participants were volunteers from a Victorian university who agreed to watch a video depicting the dramatisation of child abuse. Throughout the video, participants indicated their experience of emotion. Measures were also taken throughout the procedure of facial expression and Galvanic Skin Response (GSR). In order to examine emotional-congruence, subjects were divided into three groups. These groups were divided according to the congruence of subjects’ experienced emotion with autonomic changes and facial expressivity. Groups were divided separately for each of the emotion types. Where there was little difference between the reported experience of emotion and that, which would have been expected from the observed somatic changes, the subject was deemed to be in the Congruent Group. Subjects whose reported experience of emotion was greater or less than would be expected from observed somatic changes were allocated to the Over-reporter and Under-Reporter Groups respectively. This data was then compared to participants’ reports of the number of somatic symptoms usually experienced when anxious. It was found that participants who under-report the experience of general negative-emotion compared with their observed somatic changes (both GSR and facial expressivity) had lower trait-somatic-anxiety (reported fewer somatic symptoms usually experienced when anxious). There was no significant difference between the Congruent Group and Over-Reporter Group. The Under-Reporter Groups had significantly lower trait-somatic-anxiety than the Congruent Group when emotional-congruence was defined by fear and GSR, anger and GSR and sadness and facial expressivity. The actual association of shame and disgust with either somatic change, sadness with autonomic change and anger and fear with facial expressivity was unrelated to the number of somatic symptoms reported to be usually experienced when anxious. The results supported the idea that subjective reports of the number of somatic symptoms reported to be usually experienced when anxious reflect the actual association of somatic change and experience, but with limitations. The actual association of experience of fear with autonomic change seems to reflect the number of somatic symptoms reported to be usually experienced when anxious more than other emotions. Further for those for whom the experience of anger and negative-emotion has a greater association with somatic change, there was a greater number of somatic symptoms reported to be usually experienced when anxious. This would suggest that some people have a greater association of some experiences of emotion and somatic change. Furthermore, while there is an association between reported somatic changes generally experienced when anxious with the actual association of the experience of emotion and somatic changes as measured during a specific event, this was dependant on the association of the emotion types rather than being generalised for all emotions.

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Books on the topic "Facial expressivity"

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Simons, Gwenda. Emotional facial expressivity: Exploring the assumption of an expressivity trait in healthy people and Parkinson's disease patients. Portsmouth: University of Portsmouth, 2003.

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Meuter, Norbert. Anthropologie des Ausdrucks: Die Expressivitat des Menschen zwischen Natur und Kultur. Munchen: Wilhelm Fink, 2006.

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Anthropologie des Ausdrucks: Die Expressivität des Menschen zwischen Natur und Kultur. München: Wilhelm Fink, 2006.

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4

Bacon, Andrew. Vagueness and Uncertainty. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198712060.003.0008.

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Recent forms of expressivism attempt to explain the sense in which certain propositions are ‘non-factual’ in terms of principles about attitudes towards those propositions. Following recent expressivist accounts of conditionals and modals, a version of expressivism about vagueness is explored, which maintains that to have a credence in a vague proposition is just to have your credences in the precise propositions distributed in a certain way. Whilst this form of expressivism is ultimately rejected, a consequence of the view can be exploited to partially capture the intuition that certain subject matters are non-factual. This principle, Rational Supervenience’, effectively states that all disagreements about the vague ultimately boil down to disagreements about the precise: any two rational priors that agree about all precise propositions agree about everything. While the Principle of Plenitude states that there is a proposition occupying every evidential role, Rational Supervenience entails conversely that every proposition occupies some evidential role.

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Book chapters on the topic "Facial expressivity"

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Bouchard, Marc-André, Jérémy Bergeron-Boucher, Cindy Chamberland, Sébastien Tremblay, and Philip L. Jackson. "Assessing Differences in Emotional Expressivity Between Expert and Non Expert Video Game Players Using Facial Electromyography." In Neuroergonomics, 313–14. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-811926-6.00091-9.

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Dallmayr, Fred. "Virtue in Social and Public Life." In Post-Liberalism, 45–66. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190949907.003.0004.

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This chapter considers that, because of predatory selfishness, democracy requires the cultivation of ethical and spiritual resources for which it turns to the Aristotelian tradition of shared “virtuous” life. It begins with Alasdair MacIntyre, who profiles virtue ethics against two modern alternatives: “Morality,” a set of abstract rules anchored in the cogito, and “expressivism,” the pursuit of selfish preferences. By contrast, virtue ethics focuses on the concrete, character-related conduct nurtured by prudent judgment in a societal context, though there are some drawbacks to this view, especially the legacy of “naturalism” and essentialism. The chapter next presents the “little ethics” of Paul Ricoeur and his effort to link Aristotle with Kant, “teleology” with “deontology.” The chapter finally turns to Gadamer’s ethics which purges Aristotle of metaphysical “realism” or naturalism and presents ethical conduct not as a factual endowment but as “process of ongoing self-transformation” and (spiritual) “humanization.”

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Conference papers on the topic "Facial expressivity"

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Joshi, Ajjen, Linda Tickle-Degnen, Sarah Gunnery, Terry Ellis, and Margrit Betke. "Predicting Active Facial Expressivity in People with Parkinson's Disease." In PETRA '16: 9th ACM International Conference on PErvasive Technologies Related to Assistive Environments. New York, NY, USA: ACM, 2016. http://dx.doi.org/10.1145/2910674.2910686.

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Fontes, Mario, and Sandra Madureira. "Vocal and facial expressions and meaning effects in speech expressivity." In 10th International Conference of Experimental Linguistics. ExLing Society, 2019. http://dx.doi.org/10.36505/exling-2019/10/0020/000382.

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Neubauer, Catherine, Sharon Mozgai, Brandon Chuang, Joshua Woolley, and Stefan Scherer. "Manual and automatic measures confirm — Intranasal oxytocin increases facial expressivity." In 2017 Seventh International Conference on Affective Computing and Intelligent Interaction (ACII). IEEE, 2017. http://dx.doi.org/10.1109/acii.2017.8273605.

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Joshi, Ajjen, Soumya Ghosh, Sarah Gunnery, Linda Tickle-Degnen, Stan Sclaroff, and Margrit Betke. "Context-Sensitive Prediction of Facial Expressivity Using Multimodal Hierarchical Bayesian Neural Networks." In 2018 13th IEEE International Conference on Automatic Face & Gesture Recognition (FG 2018). IEEE, 2018. http://dx.doi.org/10.1109/fg.2018.00048.

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Clawson, Kathy, Louise S. Delicato, Sheila Garfield, and Shell Young. "Automated representation of non-emotional expressivity to facilitate understanding of facial mobility: Preliminary findings." In 2017 Intelligent Systems Conference (IntelliSys). IEEE, 2017. http://dx.doi.org/10.1109/intellisys.2017.8324218.

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Luís-Ferreira, Fernando, Sudeep Ghimire, Milan Zdravkovic, and Ricardo Jardim-Goncalves. "Towards the Framework for the Design of Human Centric Internet of Things." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-38278.

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The research and development of Internet of Things (IoT) paradigm, encompassing different related concepts and technologies, such as Cyber Physical Systems and Wireless Sensor Networks, is currently facing the challenges related to a lack of possibilities to de-verticalize the market of devices. These challenges were caused by incoherent development of the different standards, models and languages for the devices operations, hence dramatically reducing their capability to interoperate. It is our belief that these challenges can be overcome by the design in which the devices networks are functioning by following the principles of human communication. In this paper, we propose a framework to support Knowledge Management of a human-centric IoT, while considering the different enabling factors in anthropomorphic approach, such as awareness, perceptivity and physiological enrolment. This framework takes into account a new type of data, a sensorial physiological data that is assumed to enrich the expressivity of devices and thus, enable more accurate and complete perception of the signals, transmitted by the devices.

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