Document Detail

Inhibition of ongoing responses in patients with traumatic brain injury.
MedLine Citation:
PMID:  11595263     Owner:  NLM     Status:  MEDLINE    
In addition to slowness of information processing, it is often assumed that executive functions are deficient in patients with traumatic brain injuries (TBI). The aim of this study was to investigate a specific executive function, the inhibition of ongoing responses in TBI. Twenty-seven patients with TBI and 27 orthopedic patients (OC) performed the stop signal task, which allows the estimation of the time it takes to inhibit an ongoing response. Contrary to expectations, patients with TBI did not perform worse than the OC in the inhibition of ongoing responses. Furthermore, subgroups of the TBI, with frontal and nonfrontal lesions, and with focal versus diffuse damage, did not show any differences in performance. None of the clinical, demographic or neuropsychological data had a significant relationship to inhibition time, apart from age, which showed a significant relationship only in the TBI. It seems likely that deficits in the inhibition of ongoing responses are not very common after TBI.
Martina Rieger; Siegfried Gauggel
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neuropsychologia     Volume:  40     ISSN:  0028-3932     ISO Abbreviation:  Neuropsychologia     Publication Date:  2002  
Date Detail:
Created Date:  2001-10-11     Completed Date:  2001-12-20     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0020713     Medline TA:  Neuropsychologia     Country:  England    
Other Details:
Languages:  eng     Pagination:  76-85     Citation Subset:  IM    
Cognition and Action, Max Planck Institute for Psychological Research, Amalienstrasse 33, D-80799, Munich, Germany.
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MeSH Terms
Analysis of Variance
Brain Injuries / physiopathology*,  psychology
Evoked Potentials, Visual / physiology
Frontal Lobe / physiopathology
Intelligence / physiology
Memory / physiology
Middle Aged
Motor Activity / physiology
Neuropsychological Tests
Reaction Time
Reactive Inhibition
Task Performance and Analysis

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