의과대학 학생의 뇌기능 특성화 경향
Study on the Cerebral Laterality Pattern of Medical Students
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초록
특정 학생집단의 전반적인 뇌기능 성향을 아는 것은 교육적으로도 큰 의의가 있다고 생각된다. 이 연구 는 의과대학 학생들에게 설문형식을 통해서 뇌기능의 편재성향을 알아보고, 10년 전에 시행한 연구 결과와 비교 하여 어떤 변화를 보이는지 알아보았다. 35개 설문 문항에 대해 오른쪽 뇌 성향과 왼쪽 뇌 성향에 맞는 대립 문항을 설정하였으며, 각 문항에서 한 개 씩만 택하게 한 다음, 강한 오른쪽 뇌형(ER, extremely right), (보통)오른쪽 뇌형(R, right), (오른쪽과 왼쪽) 균형 뇌 형(B, balanced), (보통) 왼쪽 뇌형(L, left), 강한 왼쪽 뇌형(extremely left, EL)으로 구분하여 편재성의 정도를 구별 하였으며 분석 결과는 다음과 같았다. 총 385명(남학생 210명, 여학생 175명)의 설문에서 남학생집단은 오른쪽 42.8%-균형 31.9%-왼쪽 25.3%였고, 여학생은 오른쪽 45.2%-균형 30.9%-왼쪽 23.9%로서 남학생과 여학생의 뇌기능 편재성이 매우 유사하였다. 1995 년 의과대학 학생을 대상으로 조사한 결과에서는 남학생은 오른쪽 63.5%, 균형 24.9%, 왼쪽 11.6%였고, 여학생은 오른쪽 49.0%, 균형 22.4%, 왼쪽 28.6%의 분포를 보여서 남학생의 오른쪽 뇌 편재성이 특히 강했었다. 이상의 결과를 종합해 보면 의과대학생들의 뇌기능 편재성은 1995년에는 오른쪽 뇌형이 압도적으로 많았으나, 10년이 지난 현재에는 그 경향이 많이 완화되었다고 생각되며, 이와 같은 변화는 그동안 빠르게 진행되어온 사회 변화와 더욱 심화된 경쟁사회 등의 상황과 관련이 있지 않을까 추측 된다.
Abstract
In this study, cerebral functional laterality patterns of medical students in the year 2005 were compared with those in the year 1995. Questionnaires on the behavior patterns were asked, and the laterality patterns were classified as right hemispheric (R)-balanced hemispheric (B)-left hemispheric (L). 385 students were studied (210 male and 175 female). Of the 3 categories, male students showed the patterns of R (42.8%), B (31.9%) and L (25.3%). Female students showed R (45.2%), B (30.9%) and L (23.9%). As the above result shows, laterality patterns of male and female were similar. The above data were compared with the another data in the article reported in 1995. Previous report showed that R (63.5%), B (24.9%) and L (11.6%) in the male students, and R (49.0%), B (22.4%) and L (28.6%) in female students, respectively. From the above results, It was suggested that cerebral laterality patterns of medical students in the year 2005 shifted toward left, but it still remained 42~45% in right hemispheric as contrast to 24~25% in left hemispheric. Hemispheric shift was interpreted as that, it may be the result of student’s adaptative or competitive activities in the fast changing social environment.
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