Differences Between Nouns and Verbs After Anterior Temporal Lobectomy

To test the claim that lesions of left anterior and middle temporal cortical structures specifically impair processing of nouns but not verbs, 56 left-hemisphere-language-dominant patients who had undergone anterior temporal lobectomy (ATL) completed tasks assessing confrontation naming of pictured...

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Bibliographic Details
Published in:Neuropsychology 2001-01, Vol.15 (1), p.39-47
Main Authors: Glosser, Guila, Donofrio, Nancy
Format: Article
Language:English
Subjects:
Adult
Adult and adolescent clinical studies
Biological and medical sciences
Brain Damage
Cognitive Processes
Electroencephalography
Encephalitis
Epilepsy, Complex Partial - surgery
Female
Form Perception - physiology
Functional Laterality - physiology
Human
Humans
Language
Left Hemisphere
Lexical Access
Male
Medical sciences
Neurolinguistics
Neurosurgery
Nouns
Organic mental disorders. Neuropsychology
Psychology. Psychoanalysis. Psychiatry
Psychopathology. Psychiatry
Temporal Lobe
Temporal Lobe - physiology
Verbs
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Summary:To test the claim that lesions of left anterior and middle temporal cortical structures specifically impair processing of nouns but not verbs, 56 left-hemisphere-language-dominant patients who had undergone anterior temporal lobectomy (ATL) completed tasks assessing confrontation naming of pictured objects and actions, generation of synonyms for nouns and verbs, and semantic lexical judgments about nouns and verbs. Compared with right ATL patients, left ATL patients were impaired across different tasks that assessed naming and comprehension of high-imageability as well as low-imageability nouns. These groups did not differ, however, in verb naming or comprehension on most tasks. Results are consistent with the hypothesized specialization of left temporal lobe structures for processing nouns and suggest that naming problems commonly seen after left ATL extend beyond difficulties with retrieving object names and may be related to subtle disturbances in comprehension of the meanings underlying nominal word forms.
ISSN:0894-4105
1931-1559
DOI:10.1037/0894-4105.15.1.39