검지 - 약지 길이 비와 공감, 공격성, 성역할 정체감간의 관련성

• 영문명: The Relationship between 2nd Digit/4th Digit Ratio and Empathy, Aggression, and Sex Role in College Students
• 발행기관: 대한신경정신의학회
• 저자명: 김혜진 이우경 김순오 이상백 박재우 이유상
• 간행물 정보: 『신경정신의학』제49권 제2호, 210~216쪽, 전체 7쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2010.03.30

영문 초록

Objectives The study investigated the role of prenatal testosterone on the development of sexually dimorphic psychological phenotype. Finger length ratio (2nd digit/ 4th digit, 2D/4D), especially on the right hand, is thought to be influenced by prenatal exposure to testosterone. We evaluated the relationship between 2D/4D and psychological characteristics in college students. Methods Participants were 137 college students who completed 3 self-report measures : the Emotional Empathy Scale, Aggression Scale, and Bem Sex Role Inventory (BSRI). After copying right ventral surface of the participant’ s hand, we measured the lengths of the 2nd and 4th fingers, from basal crease to tip, using vernier calipers. We performed statistical analyses using correlation tests and t-tests to examine the relationship between 2D/4D and psychological characteristics (empathy, aggression, and sex role). Results We observed significant correlations between sex differences and average 2D/4D ratio. Men had a lower 2D/4D ratio than women, confirming the typical sex difference in digit proportions. In women, there was a significant correlation between 2D/4D ratio and empathy. Women with higher, more feminine, finger length ratios had higher empathy scores. We found no correlation between 2D/4D and aggression or sex role. Conclusion There was a positive correlation between 2D/4D and empathy, but in women only. Low prenatal testosterone might play important role in the development of an essential, typically feminine, psychological phenotype (empathy), in women.

목차

서 론

방 법

결 과

고 찰

REFERENCES

키워드

Finger length ratio Aggression Empathy Sex role