Conversational Repair by Individuals With Dementia of the Alzheimer's Type

Abstract
Conversational repair was examined in videotaped samples of spontaneous mealtime talk of 6 normal elderly adults, 5 subjects with early stage dementia of the Alzheimer's type (EDAT) and 5 subjects with middle stage DAT (MDAT) with a family member who acted as a conversational partner. The overall percentage of utterances involved in communication breakdown and repair and the specific proportions of utterances related to conversation problems, signals identifying problems, and repairs, were evaluated. Using the normal dyads as a control group, results showed the differential effects of DAT onset and progression on the conversational repair behavior of both subjects with DAT and their conversational partner. The percentage of conversation involved in repair was significantly higher for MDAT versus control and EDAT dyads. Despite the increase of conversational troubles with DAT onset and progression, the difficulties were repaired successfully the majority of the time. Subjects with EDAT produced more requests for repair than did their conversational partners. However, conversational partners of EDAT subjects used more elaboration repairs than did EDAT subjects. The opposite pattern was observed in the MDAT group where subjects with MDAT created and repaired more conversational problems than did their conversational partner. MDAT subjects produced more discourse trouble sources than did EDAT subjects. It was also observed that MDAT subjects and conversational partners frequently used nonspecific terms to signal misunderstandings. The findings have important implications for developing family caregiver communication enhancement strategies that are specific to the clinical stage of DAT.

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