论文标题
Talktive：一种使用回音的对话剂，使老年人参与神经认知疾病筛查
TalkTive: A Conversational Agent Using Backchannels to Engage Older Adults in Neurocognitive Disorders Screening
论文作者
论文摘要
会话剂（CAS）具有减轻临床医生在筛查老年人神经认知疾病的负担方面具有巨大潜力。因此，重要的是要开发可能引人入胜的CA，以引起老年人参与者的对话演讲，以支持评估认知能力。作为第一步，本文介绍了以口头响应的形式发展CAS的后拨频能力的研究，以吸引说话者。我们分析了老年人和人类评估者之间认知评估的246次对话，并得出了反应性回音的类别（例如“ hmm”）和主动的后拨频（例如，“请继续前进”）。这用于Talktive的开发，CA可以预测认知评估期间的回音和形式。然后，该研究邀请36名老年参与者评估后拨频功能。结果表明，参与者比反应性后渠道更赞赏积极主动的回音。
Conversational agents (CAs) have the great potential in mitigating the clinicians' burden in screening for neurocognitive disorders among older adults. It is important, therefore, to develop CAs that can be engaging, to elicit conversational speech input from older adult participants for supporting assessment of cognitive abilities. As an initial step, this paper presents research in developing the backchanneling ability in CAs in the form of a verbal response to engage the speaker. We analyzed 246 conversations of cognitive assessments between older adults and human assessors, and derived the categories of reactive backchannels (e.g. "hmm") and proactive backchannels (e.g. "please keep going"). This is used in the development of TalkTive, a CA which can predict both timing and form of backchanneling during cognitive assessments. The study then invited 36 older adult participants to evaluate the backchanneling feature. Results show that proactive backchanneling is more appreciated by participants than reactive backchanneling.
