Relevant bibliographies by topics / Sensory afferences

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Academic literature on the topic 'Sensory afferences'

Author: Grafiati
Published: 20 April 2024

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Journal articles on the topic "Sensory afferences"

1

Aflalo, Joanna, Flavien Quijoux, Charles Truong, François Bertin-Hugault, and Damien Ricard. "Impact of Sensory Afferences in Postural Control Quantified by Force Platform: A Protocol for Systematic Review." Journal of Personalized Medicine 12, no. 8 (2022): 1319. http://dx.doi.org/10.3390/jpm12081319.

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Older adults’ postural balance is a critical domain of research as balance deficit is an important risk factor for falls that can lead to severe injuries and death. Considering the effects of ageing on sensory systems, we propose that posturographic evaluation with a force platform exploring the effect of sensory deprivation or perturbation on balance could help understand postural control alterations in the elderly. The aim of the future systematic review and meta-analysis described in this protocol is to explore the capacity of older adults to maintain their balance during sensory perturbations, and compare the effect of perturbation between the sensory channels contributing to balance. Seven databases will be searched for studies evaluating older adults’ balance under various sensory conditions. After evaluating the studies’ risk of bias, results from similar studies (i.e., similar experimental conditions and posturographic markers) will be aggregated. This protocol describes a future review that is expected to provide a better understanding of changes in sensory systems of balance due to ageing, and therefore perspectives on fall assessment, prevention, and rehabilitation.
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Piovesan, EJ, PA Kowacs, CE Tatsui, MC Lange, LC Ribas, and LC Werneck. "Referred Pain After Painful Stimulation of the Greater Occipital Nerve in Humans: Evidence of Convergence of Cervical Afferences on Trigeminal Nuclei." Cephalalgia 21, no. 2 (2001): 107–9. http://dx.doi.org/10.1046/j.1468-2982.2001.00166.x.

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Cranial sensory innervation is supplied mainly by the trigeminal nerves and by the first cervical nerves. Excitatory and inhibitory interactions among those nerve roots may occur in a mechanism called nociceptive convergence, leading to loss of somato-sensory spatial specificity. Three volunteers in an experimental trial had sterile water injected over their greater occipital nerve on one side of the neck. Pain intensity was evaluated 10, 30 and 120 s after the injection. Two of the patients reported intense pain. Trigeminal autonomic features, suggestive of parasympathetic activation, were seen associated with trigeminally distributed pain. These data add to and reinforce previous evidence of convergence of cervical afferents on the trigeminal sensory circuit.
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3

Alegre, M., A. Labarga, I. G. Gurtubay, J. Iriarte, A. Malanda, and J. Artieda. "Beta electroencephalograph changes during passive movements: sensory afferences contribute to beta event-related desynchronization in humans." Neuroscience Letters 331, no. 1 (2002): 29–32. http://dx.doi.org/10.1016/s0304-3940(02)00825-x.

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4

Clarke, Andrew H., K. Just, W. Krzok, and U. Schönfeld. "Listing's plane and the 3D-VOR in microgravity – The role of the otolith afferences." Journal of Vestibular Research 23, no. 2 (2013): 61–70. http://dx.doi.org/10.3233/ves-130476.

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5

Guilherme Augusto Moreira Silva, Ruan Kaique de Oliveira, Ana Maria de Castro, et al. "Effectiveness of proprioceptive training in athletes with and without ankle instability: systematic review." Manual Therapy, Posturology & Rehabilitation Journal 20 (December 27, 2022): 1–7. http://dx.doi.org/10.17784/mtprehabjournal.2022.20.1277.

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Background: The proprioceptive program is directly related to neuromuscular control, which uses proprioceptive afferences to provide dynamic stabilization of the joint. Some variables can be considered risk factors for injuries, such as sprains, sudden and unexpected movement activities, simple quick changes of direction, soil type or footwear, among others. The balance training program contributes to lower injury rates and increases sports performance rate. Thus works the perception and maintenance of postural balance from information coming from sensory afferences. Objective: To perform a systematic review and verify the effect of proprioceptive training on ankle joint in athletes. Methods: A search for clinical trials was performed in the PUBMED, WEB OF SCIENCE, PEdro and SCIELO databases, the terms used for the search were “Proprioception”, “Athletic” and “Rehabilitation”, with the filters: articles published between the years of 2015 to 2020 and research in humans. Only studies published in the English language that addressed the proposed theme were included. The PEDro scale was used to evaluate the quality of studies with clinical trials, where studies with a score lower than 6/10 on the scale were excluded. Results: With the search 69 articles were found, removing the duplicates we obtained 67 eligible articles, of these, 15 studies met the inclusion and exclusion criteria. After complete analysis, 9 studies were included. Conclusion: Proprioceptive training in athletes, lasting at least three weeks with weekly protocols composed of dynamic exercises directed at individuals with ankle instability is totally effective for both joint injury prevention and rehabilitation. In addition to the increase of variables such as postural balance, coordination, postural control and functional performance.
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6

Ruggieri, Vezio, and Gian Piero Sera. "Bodily Perception in the Organization of Postural Attitude and Movement." Perceptual and Motor Skills 82, no. 1 (1996): 307–12. http://dx.doi.org/10.2466/pms.1996.82.1.307.

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In the present research we hypothesized that some particular areas or points of the body play a role in the modulation of muscular (tonic and phasic) activity. In particular, we hypothesized that subjects utilize some bodily points as constant perceptual afferences in organizing the motoric responses of the whole body. The bodily points (called perceptual focal points) could have the same role as the bow of a boat for the sailor in orienting the spatial position of the boat and its movement. We have observed the presence of these perceptual focal points in 85% of a group of undergraduate students of psychology, 21 women and 19 men, during a real and an imagined movement of the whole body. Results indicated also that, if subjects were told to modify their habitual focal points, important modifications in subjective feelings of instability, pleasure, and tension appeared.
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7

Fetter, Michael, Hans-Christoph Diener, and Johannes Dichgans. "Recovery of Postural Control After an Acute Unilateral Vestibular Lesion in Humans." Journal of Vestibular Research 1, no. 4 (1991): 373–83. http://dx.doi.org/10.3233/ves-1991-1405.

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Postural control during stance was investigated using the EQUITEST® system in 10 patients during recovery after an acute unilateral vestibular lesion and was compared to the time course of recovery of the static and dynamic vestibulo-ocular imbalance. During the acute phase the patients showed a characteristic pattern with normal upright stance as long as at least one accurate sensory input (visual or somatosensory) was provided and severe postural disturbances when they had to rely primarily on vestibular afferences. Both static vestibulo-ocular and vestibulo-spinal balance recovered very fast, showing basically normal results on postural testing within about 2 weeks after the lesion. Thereafter, no pathological pattern was detectable during postural testing even in patients with persistent complete unilateral vestibular lesions. Reflexive postural responses to unexpected rapid displacements of the support surface seemed not to be influenced by vestibular imbalance even in the acute phase of the lesion.
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8

Eric, Matheron. "Management of Non-contact Injuries, Nonspecific Chronic Pain, and Prevention via Sensory Conflicts Detection: Vertical Heterophoria as a Landmark Indicator." Journal of Novel Physiotherapy and Rehabilitation 8, no. 1 (2024): 005–13. http://dx.doi.org/10.29328/journal.jnpr.1001057.

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Sensory and sensorimotor conflicts can lead to sensory and motor efficiency disturbances, such as pain and less efficient motor control. Vertical heterophoria (VH) and vertical orthophoria (VO) are respectively the latent vertical misalignment of the eyes when the retinal images are dissociated, or not. Mild VH (< 0.57°) could indicate the presence of a conflict resulting from eye refraction problems and/or a disruption of the somaesthetic cues. Canceling the conflict(s) can immediately restore VO, making it possible to observe an improvement in the mobility of spinal and peripheral joints, the performance in the motor and balance tests after initial alternation, and a decrease in pain. The Maddox Rod Test was used to detect mild VH but doesn’t determine the sensory conflict origin. The aim of this retrospective study is to show its use as a landmark in which sensory afferent conflict could induce symptoms (i.e. pain; decreased range of motion; nonoptimal postural and motor control) and how to manage it, analyzing data from 525 subjects. The clinical process is intended to inhibit or neutralize afferent signals involved in the sensorimotor loops required by the central nervous system in motor control in order to spot the locus of conflict (stomatognathic system, pelvis, plantar afferences, piercings (body art) or/and eye refraction problems). This investigation protocol based on VH detection provides trackers for the therapeutic intervention in the management of nonspecific chronic pain, non-contact injuries, and prevention, and a key role for practitioners in the multidisciplinary management required for patients/athletes, in the world of work/health.
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9

Mirino, Pierandrea, Anna Pecchinenda, Maddalena Boccia, Adriano Capirchio, Fabrizia D’Antonio, and Cecilia Guariglia. "Cerebellum-Cortical Interaction in Spatial Navigation and Its Alteration in Dementias." Brain Sciences 12, no. 5 (2022): 523. http://dx.doi.org/10.3390/brainsci12050523.

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The cerebellum has a homogeneous structure and performs different computational functions such as modulation/coordination of the communication between cerebral regions, and regulation/integration of sensory information. Albeit cerebellar activity is generally associated with motor functions, several recent studies link it to various cognitive functions, including spatial navigation. In addition, cerebellar activity plays a modulatory role in different cognitive domains and brain processes. Depending on the network involved, cerebellar damage results in specific functional alterations, even when no function loss might be detected. In the present review, we discuss evidence of brainstem degeneration and of a substantial reduction of neurons in nuclei connected to the inferior olivary nucleus in the early stages of Alzheimer’s disease. Based on the rich patterns of afferences from the inferior olive nucleus to the cerebellum, we argue that the subtle alterations in spatial navigation described in the early stages of dementia stem from alterations of the neuromodulatory functions of the cerebellum.
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10

Yu, Jerry. "Spectrum of myelinated pulmonary afferents (III) cracking intermediate adapting receptors." American Journal of Physiology-Regulatory, Integrative and Comparative Physiology 319, no. 6 (2020): R724—R732. http://dx.doi.org/10.1152/ajpregu.00136.2020.

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Conventional one-sensor theory (one afferent fiber connects to a single sensor) categorizes the bronchopulmonary mechanosensors into the rapidly adapting receptors (RARs), slowly adapting receptors (SARs), or intermediate adapting receptors (IARs). RARs and SARs are known to sense the rate and magnitude of mechanical change, respectively; however, there is no agreement on what IARs sense. Some investigators believe that the three types of sensors are actually one group with similar but different properties and IARs operate within that group. Other investigators (majority) believe IARs overlap with the RARs and SARs and can be classified within them according to their characteristics. Clearly, there is no consensus on IARs function. Recently, a multiple-sensor theory has been advanced in which a sensory unit may contain many heterogeneous sensors, such as both RARs and SARs. There are no IARs. Intermediate adapting unit behavior results from coexistence of RARs and SARs. Therefore, the unit can sense both rate and magnitude of changes. The purpose of this review is to provide evidence that the multiple-sensor theory better explains sensory unit behavior.
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