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The brain controls the behavior of individuals, but it is influenced by genes, hormones and evolution. Evidence has shown that the ways that male and female children become adults is different, and that there are variations between the individuals of each sex. [122] [better source needed]
Gender roles are culturally influenced stereotypes which create expectations for appropriate behavior for males and females. [1] [2] [3] An understanding of these roles is evident in children as young as age four. [4] Children between 3 and 6 months can form distinctions between male and female faces. [5]
Furthermore, male advantage in spatial abilities can be accounted for by their greater ability in spatial working memory. [7] Sex differences in mental rotation also reaches almost a single deviation (1.0) when the tasks require navigation, as found in one study with participants who used Oculus Rift in a virtual environment. [51]
The development of sexual differences begins with the XY sex-determination system that is present in humans, and complex mechanisms are responsible for the development of the phenotypic differences between male and female humans from an undifferentiated zygote. [3]
Social constructionists argue that differences between male and female behavior are better attributable to gender-segregated children's activities than to any essential, natural, physiological, or genetic predisposition. [23]
The ideas of differences between the male and female brains have circulated since the time of Ancient Greek philosophers around 850 BC. In 1854, German anatomist Emil Huschke discovered a size difference in the frontal lobe, where male frontal lobes are 1% larger than those of females. [6]
In Psychiatric Services, Dr. Margery Sved describes the book as "a well-researched and well-documented study of the socialization along gender roles that children still experience in the United States in the 1990s" and states the book "should be read by any individual wondering about 'gender identity' and by any mental health professional treating 'gender identity disorder' or 'gender atypical ...
A 2014 meta-analysis, in Cognition and Emotion, found overall female advantage in non-verbal emotional recognition. [4] A 2014 analysis from the journal Neuroscience & Biobehavioral Reviews also found that there are sex differences in empathy from birth, [5] growing larger with age and which remains consistent and stable across lifespan ...