The coimagination method and its evaluation via the conversation interactivity measuring method

Mihoko Otake, Motoichiro Kato, Toshihisa Takagi, Hajime Asama

Research output: Chapter in Book/Report/Conference proceedingChapter

14 Citations (Scopus)


The causes of dementia are divided into genetic factors and cognitive factors. To prevent dementia by reducing the cognitive factors, the authors of this chapter have developed the coimagination method to activate three cognitive functions that decline at an early stage of mild cognitive impairment (MCI): episodic memory, division of attention, and planning function. The coimagination method supports interactive conversation through expressing feelings about images according to a theme. Allocated time periods and turns for each participant are predetermined so that all participants play the roles of both speaker and listener. Measuring the interactivity of conversation qualitatively and quantitatively has been quite difficult, but conversation interactivity may indicate the intensity of cognitive activities. This paper proposes the conversation interactivity measuring method (CIMM) to measure the intensity of cognitive activities employed during conversation using the coimagination method.

Original languageEnglish
Title of host publicationEarly Detection and Rehabilitation Technologies for Dementia
Subtitle of host publicationNeuroscience and Biomedical Applications
PublisherIGI Global
Number of pages9
ISBN (Print)9781609605599
Publication statusPublished - 2011
Externally publishedYes

ASJC Scopus subject areas

  • General Health Professions


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