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젊은 성인의 성별에 따른 일화기억과 공간인지의 차이

Sex Differences in Episodic Memory and Spatial Cognition in Healthy Younger Adults

박진영|박진혁|김선겸
대한신경계작업치료학회 (Korean Society for Neurological Occupational Therapy)|2021.02|재활치료과학 (Therapeutic Science for Rehabilitation)|제10권 제1호|pp. 105-114|DOI https://doi.org/10.22683/tsnr.2021.10.1.105

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참고문헌

키워드

일화기억Episodic memory젊은 성인공간인지해마 기능Hippocampal functionSpatial cognitionYounger adults

초록

목적 : 본 연구는 시각자극을 사용하여 성별에 따른 일화기억과 공간인지의 차이를 확인하고 비교하기위해 진행되었다. 연구방법 : 연구에서는 시각적인 자극을 사용한 일화기억 평가와 3차원의 가상현실 기반의 공간인지검사를사용하여 대학생 48명(남성 24명, 여성 24명)을 대상으로 성별에 따른 일화기억과 공간인지의 차이를알아보았다. 모든 참가자는 사진을 사용한 시각적 일화기억 평가를 시행하였고 이를 통해 일화기억의하위 요소인 사물, 장소, 시간 기억에 대한 정확도(%)를 평가하였다. 또한 가상현실에서 길 찾기 과제를10회 진행하여 가상공간에서의 거리 오차(cm) 값의 평균값을 분석하였다. 결과 : 일화기억은 하위 요소 모두 성별에 따른 유의한 차이가 나타나지 않은 반면(p>.05), 공간인지의경우 남성이 여성보다 높은 수행을 보이는 것으로 나타났다(p<.05). 결론 : 본 연구의 결과를 통해 성별에 따른 시각적 일화기억의 차이는 언어적 일화기억의 차이와는 다르다는것을 알 수 있었다. 한편 해마 기능이 일화기억과 공간인지를 담당한다는 것을 고려했을 때, 성별에따른 일화기억과 공간인지의 차이에 대한 결과가 다르게 나타난 것은 두 기능이 서로 독립적이라는것을 시사한다.

Abstract

Objective : The purpose of this study was to identify and compare the sex differences in episodic memory and spatial cognition in healthy young adults. Methods : Forty-eight undergraduates (male=24, female=24) were assessed for sex differences using the visual stimuli episodic memory task and the virtual reality-based spatial cognition task. The accuracy rates (%) for the What, Where, and When conditions of the episodic memory task and the average distance error (cm) for 10 trials of the spatial cognition task were analyzed. Results : There were no significant sex differences between the three conditions. The male participants showed a significantly higher performance on the spatial cognition task than the female participants Conclusion : The results of this study indicated that the sex differences in episodic memory could be altered by the test methods. Although episodic memory and spatial cognition mainly depend on the hippocampus, the sex-related differences between the two functions were inconsistent, suggesting that these two functions are independent.

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