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Makeup Activates Brain Activity in visually impaired persons: Evaluation by Functional Magnetic Resonance Imaging

Journal of Cosmetics, Dermatological Sciences and Applications 2021年第2期11卷 140-154页

作者： Katsushi Taomoto Kaho Oishi Hiroshi Matsunaka Yumi Murakami Yoshihiro Kuga Shinsuke Hashimoto Hideyuki Ohnishi Koji Abe Ohnishi Neurological Center Akashi Japan International Caremake Association Tokyo Japan NOV Academic Research TOKIWA Pharmaceutical Co. Ltd. Tokyo Japan Department of Neurology Graduate School of Medicine Dentistry and Pharmaceutical Sciences Okayama University Okayama Japan

Cosmetics are used to improve physical appearance, but the benefits may be limited to people without visual impairment. The importance of attractiveness among blind persons has not been assessed. We investigated the influence of makeup on brain activity of blind persons using functional magnetic resonance imaging (fMRI). Participants were 7 blind females (BFs) who learned to fully apply makeup and 9 mostly age-matched normally sighted females (NSFs). Brain activity was measured using fMRI before and after application of makeup and during a makeup image task in each state. In the default mode network at rest, there was no difference between the BFs and NSFs. However, a lateral visual network to the opposite side was observed in the NSFs, whereas no such network was noted in the BFs. A weak network was noted in the BFs in the occipital fusiform gyrus and temporal occipital fusiform cortex, and an extensive visual area network defect was noted. Also, activity after makeup application was significantly higher in the nucleus accumbens, pallidum, and hippocampus. Activity in the right middle cingulate gyrus, right cerebral white matter, and right anterior cingulate gyrus was higher before makeup in both BFs and NSFs, and the activity was significantly higher and more extensive in the BFs. In conclusion, applying makeup is a personally rewarding activity, even for BFs, as it strongly activates the reward system and the reward/memory system network, even in the absence of a visual area network.

关键词： Functional Magnetic Resonance Imaging visually impaired persons Brain Activity Makeup Female

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