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Digit Ratio (2D:4D) a Possible Biomarker for Cognitive Style: A Study on Iranian Engineering and Mathematics University Students Publisher



Rajab A1 ; Shafizadeh M2 ; Nakhjavani M1 ; Vahabie AH3, 4, 5 ; Salehi M6 ; Zarei S7 ; Memari A8 ; Mirfazeli FS9
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Authors Affiliations
  1. 1. Endocrinology and Metabolism Research Center (EMRC), Vali-Asr Hospital, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Neurosurgery, Tehran University of Medical Sciences, Iran
  3. 3. Cognitive Systems Laboratory, Control and Intelligent Processing Center of Excellence (CIPCE), School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Tehran, Iran
  4. 4. Department of Psychology, Faculty of Psychology and Education, University of Tehran, Tehran, Iran
  5. 5. School of Cognitive Sciences, Institute for Research in Fundamental Sciences, Tehran, Iran
  6. 6. School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry), Iran University of Medical Sciences, Iran
  7. 7. Department of Cognition and Communication, University of Copenhagen, Denmark
  8. 8. Sport Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Iran
  9. 9. Mental Health Research Center, School of Behavioral Sciences and Mental Health (Tehran University of Psychiatry), Iran University of Medical Sciences, Iran

Source: Personality and Individual Differences Published:2021


Abstract

Digit ratio (2D:4D) is a biomarker for prenatal hormonal exposure. Some studies suggest that prenatal hormonal exposure might influence our cognitive styles characterized by systemizing and empathizing tendencies while other studies do not support these findings. By assessing 156 university students of engineering or mathematics (science, technology, engineering, and mathematics (STEM) (female: 63 and male 93) we concluded that digit ratio may support the hypothesis on sexual differences in cognitive styles. © 2020 Elsevier Ltd
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