دورية أكاديمية
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Impaired motor inhibition during perceptual inhibition in older, but not younger adults: a psychophysiological study.

التفاصيل البيبلوغرافية
العنوان: Impaired motor inhibition during perceptual inhibition in older, but not younger adults: a psychophysiological study.
المؤلفون: Healey R; Sensorimotor Neuroscience and Ageing Research Laboratory, School of Psychological Sciences, College of Health and Medicine, University of Tasmania, Hobart, Australia., Goldsworthy M; Sensorimotor Neuroscience and Ageing Research Laboratory, School of Psychological Sciences, College of Health and Medicine, University of Tasmania, Hobart, Australia., Salomoni S; Sensorimotor Neuroscience and Ageing Research Laboratory, School of Psychological Sciences, College of Health and Medicine, University of Tasmania, Hobart, Australia., Weber S; Sensorimotor Neuroscience and Ageing Research Laboratory, School of Psychological Sciences, College of Health and Medicine, University of Tasmania, Hobart, Australia., Kemp S; Sensorimotor Neuroscience and Ageing Research Laboratory, School of Psychological Sciences, College of Health and Medicine, University of Tasmania, Hobart, Australia.; Integrative Model-Based Cognitive Neuroscience Research Unit, Department of Psychology, University of Amsterdam, Amsterdam, The Netherlands., Hinder MR; Sensorimotor Neuroscience and Ageing Research Laboratory, School of Psychological Sciences, College of Health and Medicine, University of Tasmania, Hobart, Australia., St George RJ; Sensorimotor Neuroscience and Ageing Research Laboratory, School of Psychological Sciences, College of Health and Medicine, University of Tasmania, Hobart, Australia. rebecca.stgeorge@utas.edu.au.
المصدر: Scientific reports [Sci Rep] 2024 Jan 23; Vol. 14 (1), pp. 2023. Date of Electronic Publication: 2024 Jan 23.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE
أسماء مطبوعة: Original Publication: London : Nature Publishing Group, copyright 2011-
مواضيع طبية MeSH: Cues* , Psychophysiology*, Electromyography ; Fingers ; Reaction Time ; Humans ; Young Adult
مستخلص: The prefrontal cortex (PFC) governs the ability to rapidly cancel planned movements when no longer appropriate (motor inhibition) and ignore distracting stimuli (perceptual inhibition). It is unclear to what extent these processes interact, and how they are impacted by age. The interplay between perceptual and motor inhibition was investigated using a Flanker Task, a Stop Signal Task and a combined Stop Signal Flanker Task in healthy young (n = 33, Mean = 24 years) and older adults (n = 32, Mean = 71 years). PFC activity was measured with functional near-infrared spectroscopy (fNIRS), while electromyography (EMG) measured muscle activity in the fingers used to respond to the visual cues. Perceptual inhibition (the degree to which incongruent flankers slowed response time to a central cue) and motor inhibition (the speed of cancellation of EMG activation following stop cues) independently declined with age. When both processes were engaged together, PFC activity increased for both age groups, however only older adults exhibited slower motor inhibition. The results indicate that cortical upregulation was sufficient to compensate for the increased task demands in younger but not older adults, suggesting potential resource sharing and neural limitations particularly in older adults.
(© 2024. The Author(s).)
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تواريخ الأحداث: Date Created: 20240123 Date Completed: 20240223 Latest Revision: 20240223
رمز التحديث: 20240223
مُعرف محوري في PubMed: PMC10805883
DOI: 10.1038/s41598-024-52269-z
PMID: 38263414
قاعدة البيانات: MEDLINE
الوصف
تدمد:2045-2322
DOI:10.1038/s41598-024-52269-z