Expression verbale et gestualité dans la maladie d'Alzheimer : une étude en situation d'interaction sociale Verbal and gestural communication in interpersonal interaction with Alzheimer's disease patients

摘要: Communication can be defined as a verbal and non exchange of thoughts emotions. While communication deficit in Alzheimer's disease is well documen- ted, very little known about gestural communication, especially interpersonal situations. This study examines the production gestures its relations with aspects communication. Three patients suffering from moderately severe were compared to three healthy adults. Each one given series pictures asked explain which she preferred why. The interaction was video recor- ded. Analyses concerned (quantity quality) gestures. Gestures either representational (i.e., small amplitude punctuating speech or accentuating some parts utterance) referring object speech). Representational coded iconic (depicting concrete aspects), metaphoric abstract meaning) deictic (pointing toward an object). In com- parison participants, revealed decrease quantity quality speech. Nevertheless, their alwayspresent. pattern line conception that depend on different communicational systems look inconsistent assumption parallel dissolution gesture Moreover, analyzing articulation between dimensions sug- gests may compensate for deficits. It underlines importance role maintaining