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Many reports in recent years have promulgated that girls are not only academically superior to boys, but also exhibit higher moral standards and better behavior.

gender gap in school achievement has widened over the past 30 years, with girls outperforming boys in all subjects.

also outnumbered girls in connection to drug and alcohol abuse, automobile accidents, and crime.

Deak is a psychologist and author of "Girls will be Girls." She lectures around the world about sex and gender. And she's on the board of the Seattle Girls' School. She spoke mostly about adolescence, which she called the magic decade, because there are "things going on that didn't happen before and that won't happen again," she said. I called her office in Ohio and she explained that the amygdala, the part of the brain that deals with emotions, swells, which makes all teens more sensitive and volatile. At the same time, the prefrontal cortex stops functioning well. That's the part that controls higher functions, like judgment. Hormones keep teens from falling asleep when parents say they should and make it difficult for them to wake up at hours dictated by school schedules. The single most profound difference we could make on education, Deak said, would be to let teens sleep on nature's schedule (midnight to 9 a.m. or later).

Table 1 Statistical significance of differences between right and left cerebral cortical thickness in male and female rats ( S=statistically significant; NS=nonstatistically significant)           Cortical Areas           Age (days) N Frontal   Parietal     Occipital         10 4 3 2 18 17 18A   6 13 S S S NS S S S   14 17 S S S NS S S S Males 20 15 S S S NS S S NS   90 15 NS S S NS NS S NS   185 15 S NS S S S S S   400 15 S NS S S S S NS   900

Not all mammals' courtship behaviors are so obviously a product of brain-function differences between the sexes, however. In humans, these more subtle behaviors bear witness to the surprisingly abundant gender-specific differences in the central nervous system (CNS). For example, in men the auditory brainstem response has a longer latency period and smaller amplitude than in women. This may have a profound effect on men's response to auditory stimuli. Other differences in sexual behavior may be indicated by structural distinctions between male and female brains. In the areas of the brain that influence sexual behavior, women are reported to have more gray matter than men in a language-related cortical region, but not in a more visuospatially related cortical region. This indicates that the sexes have structural differences in the cerebral cortex. It also raises the question, are men inherently more responsive to visual sexual stimulation than women and are women intrinsically more responsive to sexual wooing through words?

The Brain Discovering how each gender thinks, acts and feels Understanding the original super computer--the brain--is proving a difficult task even for the species within which it operates.

Understanding the original super computer--the brain--is proving a difficult task even for the species within which it operates.

avioral Endocrinology (Slide Introduction) Evolutionary Psychology and Women. The female brain. Y are males so violent? Listen to the interview here (Pull the slider to about 14 min into the interview). Selected reading from A Natural History of Rape: Biological Basis of Sexual Coercion Excerpts from "Brain Sex". Sex and the Corpus Callosum. Also, check this. Stalking the Wild Taboo: Homosexuality, Birth Order and Evolution "A sex difference in the brain and its relation to transsexuality" Read the Nature article. Find the Time review here. Listen to the National Public Radio Interview. "A Difference in Hypothalamic Structure Between Heterosexual and Homosexual Men" Read Simon Levay's August 30 1991 Science paper. A review can be found here. National Public Radio Interview with Deborah Blum (You'll need Real Audio for this) Homosexuality topics: Read each of these to stimulate discussion (read here). All letters are in response to National Public Radio series on the biology of homosexuality. A comparison of rearing male vs. female children. Why Can't a Woman be More Like a Man? Find out here. Men, Women, and Sex Differences: The Attitu

igger - Stronger - Faster...are there really any differences between female brains and male brains? Differences between the brains of men and women have generated considerable scientific and public interest. If there are differences in the way that men and women behave, then it is reasonable to suppose that their brains have something to do these behavioral differences. Just what are these differences and where in the brain might these differences be located?

For hundreds of years, scientists have searched for differences between the brains of men and women. Early research showing that male brains were larger than female brains was used to "prove" that male brains were superior to female brains. Of course, this "proof" is NOT so simple and straight forward as you will see. Nevertheless, even today, there is plenty of controversy about the differences in the brains of men and women. Not only from an anatomical point of view, but also from a functional point of view - in other words, just what do the dif

Almost all studies show that at birth, a boy's brain is bigger than a girl's brain. At birth, the average brain of boys is between 12-20% larger than that of girls. The head circumference of boys is also larger (2%) than that of gir