Thirty-four informal caregivers who support 26 persons with ALS reported on AAC technology use. Each caregiver completed the Communication Device Use Checklist, a survey tool developed for this study based on Light's (1988) classification of the purposes of social interaction (Augmentative and Alternative Communication, 4, 66-82). The checklist includes 17 purposes of communication and asks participants to judge importance, mode, and frequency of use for each purpose. Results show that the three communication purposes used most frequently and valued as important by caregivers involve regulating the behavior of others for basic needs and wants (getting needs met; giving instructions or directions to others; and clarifying needs). Consistent reports of use and frequency for the purposes of staying connected (social closeness) and discussing important issues (information transfer) indicate that AAC technology can assist the dyad in maintaining previous relationships. The face-to-face spontaneous conversation mode is used most frequently, despite the slow rate of production, the lack of permanence, and the demands on conversational partners during message generation. Clinical and research implications are discussed.
The purpose of this study was to determine whether the presence or absence of digitized 1–2 word voice output on a direct selection, customized augmentative and alternative communication (AAC) device would affect the impoverished conversations of persons with dementia. Thirty adults with moderate Alzheimer’s disease participated in two personally relevant conversations with an AAC device. For 12 of the participants the AAC device included voice output. The AAC device was the Flexiboard™ containing 16 messages needed to discuss a favorite autobiographical topic chosen by the participant and his/her family caregivers. Ten-minute conversations were videotaped in participants’ residences and analyzed for four conversational measures related to the participants’ communicative behavior. Results show that AAC devices with digitized voice output depress conversational performance and distract participants with moderate Alzheimer’s disease as compared to similar devices without voice output. There were significantly more 1-word utterances and fewer total utterances when AAC devices included voice output, and the rate of topic elaborations/initiations was significantly lower when voice output was present. Discussion about the novelty of voice output for this population of elders and the need to train elders to use this technology is provided.
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