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Hippocampus v.27 no.3, 2017년, pp.229 - 234   SCI SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Acute moderate exercise improves mnemonic discrimination in young adults

Suwabe, Kazuya (Laboratory of Exercise Biochemistry and Neuroendocrinology, University of Tsukuba, Ibaraki, Japan ) ; Hyodo, Kazuki (Laboratory of Exercise Biochemistry and Neuroendocrinology, University of Tsukuba, Ibaraki, Japan ) ; Byun, Kyeongho (Laboratory of Exercise Biochemistry and Neuroendocrinology, University of Tsukuba, Ibaraki, Japan ) ; Ochi, Genta (Laboratory of Exercise Biochemistry and Neuroendocrinology, University of Tsukuba, Ibaraki, Japan ) ; Yassa, Michael A. (Department of Sports Neuroscience, Advanced Research Initiative for Human High Performance (ARIHHP), Faculty of Health and Sport Sciences, University of Tsukuba, Ibaraki, Japan ) ; Soya, Hideaki (Laboratory of Exercise Biochemistry and Neuroendocrinology, University of Tsukuba, Ibaraki, Japan ) ;
  • 초록  

    ABSTRACT Increasing evidence suggests that regular moderate exercise increases neurogenesis in the dentate gyrus (DG) of the hippocampus and improves memory functions in both humans and animals. The DG is known to play a role in pattern separation, which is the ability to discriminate among similar experiences, a fundamental component of episodic memory. While long‐term voluntary exercise improves pattern separation, there is little evidence of alterations in DG function after an acute exercise session. Our previous studies showing acute moderate exercise‐enhanced DG activation in rats, and acute moderate exercise‐enhanced prefrontal activation and executive function in humans, led us to postulate that acute moderate exercise may also activate the hippocampus, including more specifically the DG, thus improving pattern separation. We thus investigated the effects of a 10‐min moderate exercise (50% V̇O 2peak ) session, the recommended intensity for health promotion, on mnemonic discrimination (a behavioral index of pattern separation) in young adults. An acute bout of moderate exercise improved mnemonic discrimination performance in high similarity lures. These results support our hypothesis that acute moderate exercise improves DG‐mediated pattern separation in humans, proposing a useful human acute‐exercise model for analyzing the neuronal substrate underlying acute and regular exercise‐enhanced episodic memory based on the hippocampus. ⓒ 2016 Wiley Periodicals, Inc.


  • 주제어

    pattern separation .   aerobic exercise .   memory .   hippocampus .   dentate gyrus.  

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