Document Detail


Auditory extinction following hemisphere damage.
MedLine Citation:
PMID:  6527764     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Extinction to the simultaneous presentation of sounds to both ears was investigated in patients with acute cerebrovascular disease and found to be present in nearly half of the patients in the early stage of stroke. The occurrence of the symptom was not significantly different following damage to either hemisphere, but a higher percentage of right brain-damaged patients tended to show extinction for a longer time. However, this finding must be evaluated with caution since a greater number of left- than right-hemisphere patients had to be excluded from the investigation because aphasia precluded their understanding test instructions. The presence of auditory extinction was not related to that of visual extinction and there were patients with severe visual neglect who did not extinguish in the auditory modality. These findings and CT scan evidence, indicating that patients with long-lasting extinction had lesions encroaching upon the auditory pathways, suggest that in number of cases the phenomenon may have a sensory and not an attentional basis.
Authors:
E De Renzi; M Gentilini; F Pattacini
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neuropsychologia     Volume:  22     ISSN:  0028-3932     ISO Abbreviation:  Neuropsychologia     Publication Date:  1984  
Date Detail:
Created Date:  1985-03-27     Completed Date:  1985-03-27     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0020713     Medline TA:  Neuropsychologia     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  733-44     Citation Subset:  IM    
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MeSH Terms
Descriptor/Qualifier:
Attention / physiology*
Auditory Pathways / physiopathology
Auditory Perceptual Disorders / physiopathology*
Brain Damage, Chronic / physiopathology*
Cerebral Cortex / physiopathology
Cerebral Hemorrhage / physiopathology
Cerebral Infarction / physiopathology
Dominance, Cerebral / physiology*
Extinction, Psychological / physiology*
Humans
Perceptual Disorders / physiopathology*
Tomography, X-Ray Computed
Visual Perception / physiology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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