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Testing for nominal dysphasia
Journal of Neurology, Neurosurgery, and Psychiatry
|September 1, 1980
Summary
This study introduces a graded naming test to differentiate object and proper name impairments. Object naming deficits were most common in patients with temporal lobe lesions.
Area of Science:
- Neuroscience
- Psycholinguistics
- Clinical Neurology
Background:
- A specific naming deficit for proper names prompted the development of a new graded naming test.
- The test distinguishes between impairments in naming common objects versus proper names.
Observation:
- A single patient case study highlighted a specific naming impairment for a particular class of proper names.
- Naming vocabulary showed a strong correlation with other measures of verbal intelligence.
Findings:
- Category-specific naming impairments (object vs. proper name) are uncommon in gross forms.
- Object naming was most significantly impaired in patients with left temporal lobe lesions.
Implications:
- The graded naming test serves as a valuable tool for clinical assessment and diagnosis of naming disorders.
- Understanding object/proper name distinctions aids in diagnosing and understanding the neurological basis of language impairments.