Variable solutions to the same problem: Aberrant practice effects in object naming by three aphasic patients

Although deficits in confrontation naming are a common consequence of damage to the language areas of the left cerebral hemisphere, some patients with aphasia show relatively good naming ability. We measured effects of repeated practice on naming latencies for a set of pictured objects by three apha...

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Bibliographic Details
Published in:Brain and language 2006-06, Vol.97 (3), p.351-356
Main Authors: Wingfield, Arthur, Brownell, Hiram, Hoyte, Ken J.
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Differences
Aged
Aged, 80 and over
Aphasia
Aphasia - diagnosis
Aphasia - physiopathology
Biological and medical sciences
Brain Hemisphere Functions
Comparative Analysis
Disorders of higher nervous function. Focal brain diseases. Central vestibular syndrome and deafness. Brain stem syndromes
Female
Humans
Language Impairments
Male
Medical sciences
Naming latencies
Nervous system (semeiology, syndromes)
Neurology
Object naming
Older Adults
Patients
Practice
Practice (Psychology)
Reaction Time
Variability
Verbal Behavior
Vocabulary
Young Adults
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Summary:Although deficits in confrontation naming are a common consequence of damage to the language areas of the left cerebral hemisphere, some patients with aphasia show relatively good naming ability. We measured effects of repeated practice on naming latencies for a set of pictured objects by three aphasic patients with near-normal naming ability and by neurologically intact young and older adults. While the non-injured participants showed a systematic reduction in overall mean latencies and reduced trial-to-trial latency variability, the aphasic patients did not. Examination of the latency distributions suggests that successful naming by aphasic patients may come about by different underlying operations.
ISSN:0093-934X
1090-2155
DOI:10.1016/j.bandl.2005.11.005