Beauty in everyday motion: Electrophysiological correlates of aesthetic preference for human walking

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  • Hayashi, Sayuri
    Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry Department of Kansei Science, Graduate School of Integrated Frontier Sciences, Kyushu University
  • Nishimura, Yuki
    Department of Kansei Science, Graduate School of Integrated Frontier Sciences, Kyushu University
  • Ikeda, Yuki
    Department of Physical Therapy, Faculty of Health Sciences, Kyorin University Department of Kansei Science, Graduate School of Integrated Frontier Sciences, Kyushu University
  • Nakashima, Hiroki
    Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences
  • Egashira, Yuka
    Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry
  • Ukezono, Masatoshi
    Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry
  • Uono, Shota
    Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry
  • Okada, Takashi
    Department of Developmental Disorders, National Institute of Mental Health, National Center of Neurology and Psychiatry
  • Higuchi, Shigekazu
    en
    Department of Human Science, Faculty of Design, Kyushu University, Japan

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Aesthetic preference occurs in everyday experience. Studies have suggested that aesthetic preference (such as observing other’s motion) affects social interaction via enhanced neural processing. This study investigated the effect of aesthetic preference on neural activities, in response to walking motion. Twenty participants observed biological motion (BM) representing three walking types (model-posture, good-posture, and bad-posture) and their scrambled motion (SM) during the event-related potentials measurement. The N200 and N300 amplitudes, reflecting the early sensory and the later integrational processes, were analyzed. The results revealed that the N200 amplitude of BM was greater than that of SM in the good- and bad-posture conditions. The N300 amplitude was larger in BM than SM regardless of the walking type. Exploratory regression analyses indicated that the N300 for BM, but not for SM or N200, was more negatively deflected with the increase of aesthetic preference scores. Our findings suggest that aesthetic preference enhances the later integrational process of BM represented in the N300 amplitude, whereas the early perceptual process (reflected by the N200 amplitude) is potentially modulated by familiarity rather than aesthetic preference in other’s motion.

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