国際ジャーナルへの論文掲載情報

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Authors: Toshiki Saito, Rui Nouchi, Hikari Kinjo, Ryuta Kawashima
Title:Gaze Bias in Preference Judgments by Younger and Older Adults
Journal(書誌情報): Frontiers in Aging Neuroscience
doi:10.3389/fnagi.2017.00285
論文URL:http://journal.frontiersin.org/article/10.3389/fnagi.2017.00285
Abstract:Individuals' gaze behavior reflects the choice they will ultimately make. For example, people confronting a choice among multiple stimuli tend to look longer at stimuli that are subsequently chosen than at other stimuli. This tendency, called the gaze bias effect, is a key aspect of visual decision-making. Nevertheless, no study has examined the generality of the gaze bias effect in older adults. Here, we used a two-alternative forced-choice task (2AFC) to compare the gaze behavior reflective of different stages of decision processes demonstrated by younger and older adults. Participants who had viewed two faces were instructed to choose the one that they liked/disliked or the one that they judged to be more/less similar to their own face. Their eye movements were tracked while they chose. The results show that the gaze bias effect occurred during the remaining time in both age groups irrespective of the decision type. However, no gaze bias effect was observed for the preference judgment during the first dwell time. Our study demonstrated that the gaze bias during the remaining time occurred regardless of decision-making task and age. Further study using diverse participants, such as clinic patients or infants, may help to generalize the gaze bias effect and to elucidate the mechanisms underlying the gaze bias.
著者Contact先の email: toshiki.saito[at]med.tohoku.ac.jp([at]を@に変更してください。)

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