Psychological sexual identity and hemispheric orientation

Area of Science:

• Neuroscience
• Psychology
• Gender Studies

Background:

• Hemispheric lateralization influences cognitive processing.
• Gender and psychological sexual identity are explored as factors in hemispheric orientation.
• Previous research suggests potential differences in cognitive styles between genders.

Purpose of the Study:

• To investigate gender and psychological sexual identity as bases for hemispheric orientation.
• To test hypotheses regarding male reliance on left-brain functions and female reliance on right-brain functions.
• To examine the moderating effects of masculinity and femininity on hemispheric orientation.

Main Methods:

• Utilized a sample of 219 adult males and 221 adult females.
• Assessed hemispheric orientation based on cognitive style preferences.
• Analyzed the influence of gender and psychological sexual identity on cognitive processing.

Main Results:

• Partially supported the male-left/female-right hemisphere orientation dichotomy.
• Identified an additional dimension of internal (females) versus external (males) orientation.
• Found that gender differences in hemispheric orientation are moderated by internal-external orientation.

Conclusions:

• Gender influences hemispheric orientation, with partial support for traditional left-brain/right-brain associations.
• Psychological sexual identity, specifically internal-external orientation, significantly moderates gender-based hemispheric preferences.
• Cognitive styles are complex, influenced by both gender and psychological orientation.