Eye tracking-based cognitive
assessment (ETCA)

【Tasks used in the ETCA】

The ETCA consists of questions that are homologous to those of the Mini-Mental State Examination (MMSE) used for cognitive assessment in medical practice.

The ETCA:Task image structure

MMSE Tasks

Cognitive assessment task video
(approximately 2 minutes and 50 seconds)

Cognitive assessment task video (approximately 2 minutes and 50 seconds)
The subject is asked questions equivalent to the MMSE questions regarding the images (task video); they are asked to answer the questions by looking at the correct image from the options. The procedure lasts about three minutes.
This method enables a rapid, low-cost cognitive evaluation that leverages conventional medical knowhow in cognitive assessment.

【Correlation in scores between the ETCA and conventional methods】

The results of the ETCA are reported to show high correlations with the conventional MMSE method in a study conducted at Osaka University Hospital with a total of 80 participants divided to 1) healthy controls, 2) those with mild cognitive impairment, and 3) patients with dementia. (Oyama, Takeda, et al. Scientific Reports 2019; 9: 12932.)
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