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  • Title: Aphasic performance on a lexical decision task: multiple meanings and word frequency.
    Author: Gerratt BR, Jones D.
    Journal: Brain Lang; 1987 Jan; 30(1):106-15. PubMed ID: 3815049.
    Abstract:
    The lexical access of words varying in the number of meanings and frequency of occurrence was examined in fluent and nonfluent aphasic individuals and a control group of non-brain-damaged adults, using a lexical decision task. Fluent aphasic subjects performed similarly to nonfluent aphasic and normal subjects, showing that words with a high number of meanings and with a high frequency of occurrence were recognized as real words faster than words with few meanings or a low frequency of occurrence. While previous research has demonstrated that the number of meanings associated with a word exerts a powerful influence on the internal lexicon of normals, the results of this study suggest that brain damage resulting in aphasia does not disrupt this semantic organization.
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