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Structurally, adult male brains are on average 11–12% heavier and 10% bigger than female brains. [21] Though statistically there are sex differences in white matter and gray matter percentage, this ratio is directly related to brain size, and some [ 22 ] argue these sex differences in gray and white matter percentage are caused by the average ...
[9] [8] Examples include greater male tendencies toward violence, [10] or greater female empathy. The terms "sex differences" and "gender differences" are sometimes used interchangeably; they can refer to differences in male and female behaviors as either biological ("sex differences") or environmental/cultural ("gender differences").
[42] [44] [45] Another 2013 meta-analysis published in the journal Educational Review found greater male mental rotation in a deviation of 0.57 which only grew larger as time limits were added. [46] These male advantages manifests themselves in math and mechanical tasks for example significantly higher male performance on tests of geometry ...
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 ...
The pelvis is, in general, different between the human female and male skeleton. [12] [13] Although variations exist and there may be a degree of overlap between typically male or female traits, [12] [13] the pelvis is the most dimorphic bone of the human skeleton and is therefore likely to be accurate when using it to ascertain a person's sex ...
Although there are many physiological and psychological gender differences in humans, memory, in general, is fairly stable across the sexes.By studying the specific instances in which males and females demonstrate differences in memory, we are able to further understand the brain structures and functions associated with memory.
However, the relationship between psychological maturity and age is a difficult one, and there has been much debate over methods of determining maturity, [40] considering its subjective nature, relativity to the current environment and/or other factors, and especially regarding social issues such as religion, politics, culture, laws, etc. [41]
The embryo and subsequent early fetus appear to be sexually indifferent, looking neither like a male or a female. Over the next several weeks, hormones are produced that cause undifferentiated tissue to transform into either male or female reproductive organs. This process is called sexual differentiation.