Document Detail


Interaction between startle and voluntary reactions in humans.
MedLine Citation:
PMID:  18458890     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The startle reaction (SR) is usually understood as an involuntary reaction to an unexpected sensory input. However, there is evidence that the mechanisms involved in the SR contribute also to the execution of actions that we consider voluntary. We need to exert a fine control of the motor output, which usually involves inhibition of the reflex reaction but it may also imply letting the SR manifest, shaped in accordance with our willed actions. The latter occurs mainly with relatively simple ballistic movements but it has also been shown to occur in complex movements. In this review, we describe arguments published in the literature in favour of the contribution of subcortical motor tracts involved in the generation of the SR to the execution of voluntary movements. Some of these studies have brought insight on the mechanisms accounting for motor preparation and execution of voluntary movements.
Authors:
Josep Valls-Solé; Hatice Kumru; Markus Kofler
Publication Detail:
Type:  Journal Article; Review     Date:  2008-05-06
Journal Detail:
Title:  Experimental brain research     Volume:  187     ISSN:  1432-1106     ISO Abbreviation:  Exp Brain Res     Publication Date:  2008 Jun 
Date Detail:
Created Date:  2008-05-22     Completed Date:  2008-07-22     Revised Date:  2013-12-13    
Medline Journal Info:
Nlm Unique ID:  0043312     Medline TA:  Exp Brain Res     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  497-507     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Efferent Pathways / anatomy & histology,  physiology
Humans
Inhibition (Psychology)*
Motor Cortex / physiology*
Movement / physiology*
Startle Reaction / physiology*

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