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  • Title: [Language and cognitive impairment: a semiological study into visual naming].
    Author: Fernández-Turrado T, Tejero-Juste C, Santos-Lasaosa S, Pérez-Lázaro C, Piñol-Ripoll G, Mostacero-Miguel E, Pascual-Millán LF.
    Journal: Rev Neurol; ; 42(10):578-83. PubMed ID: 16703524.
    Abstract:
    INTRODUCTION: The presence of anomia and/or paraphasias in patients with cognitive impairment suggests an associated deterioration of their language. Visual naming makes it possible to examine these signs in a controlled manner as the target word is already known. AIM. To conduct a semiological study of naming in normal aging, cognitive impairment and language impairment conditions. SUBJECTS AND METHODS: The study consisted in an analysis of nine types of signs (correct response, increased latencies, circumlocutions, absence of response, semantic verbal paraphasias, verbal paraphasias with a similar form, unrelated verbal paraphasias, phonemic paraphasias and neologisms) in a visual naming task (6 items), in two groups with normal language--controls > 70 years and patients with Alzheimer's disease (AD) with onset of amnesia--and two groups with language impairment--vascular aphasia and anomic AD-. RESULTS: Patients failed to perform naming correctly in 4.2% of the responses in controls, 10% in patients with amnesic AD, 30% in patients with vascular aphasia and 50% in patients with anomic AD. Semantic paraphasias were observed in the two groups with normal language abilities (controls and amnesic AD), although frequencies were low. Signs that suggest difficulties in accessing/retrieving lexical items were more frequent in patients with AD and ran parallel to the degree of anomia. One notable finding was the absence of signs of phonological dysfunction in the two groups with AD, regardless of the degree of anomia. CONCLUSIONS: Semiological quantification makes it possible to distinguish differences in the degree of anomia and in the pattern of errors both in controls and in patients with amnesic onset AD and among patients with vascular aphasia and neurodegenerative anomia.
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