Classical anomia: A neuropsychological perspective on speech production

Matthew A. Lambon Ralph, Karen Sage, Jo Roberts

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    We present data collected from two anomic aphasics. Thorough assessment of comprehension, oral reading and repetition revealed no underlying impairments suggesting that both patients were examples of classical anomia-word-finding difficulties without impaired semantics or phonology. We describe a series of experiments in which the degree of anomia was both increased and decreased, by cueing or priming with either a semantically related word or the target item. One of the patients also presented with an 'acquired' tip-of-the-tongue phenomenon. He was able to indicate with a high-degree of accuracy the syllable length of the target, and whether or not it was a compound word. Neither patient could provide the first sound/letter. The data are discussed in terms of discrete two-stage models of speech production, an interactive-activation theory and a distributed model in which the positive and negative computational consequences of the arbitrary relationship between sound and meaning are emphasised. Copyright (C) 1999 Elsevier Science Ltd.
    Original languageEnglish
    Pages (from-to)186-202
    Number of pages16
    Issue number2
    Publication statusPublished - Feb 2000


    • Adult
    • diagnosis: Anomia
    • diagnosis: Brain Injury, Chronic
    • Brain Mapping
    • Case Report
    • Human
    • Male
    • Neuropsychological Tests
    • injuries: Parietal Lobe
    • Phonetics
    • Semantics
    • Support, Non-U.S. Gov't
    • Support, U.S. Gov't, P.H.S.
    • injuries: Temporal Lobe
    • physiology: Verbal Behavior


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