The Male Brain by Louann Brizendine M.D

Author:Louann Brizendine, M.D. [Brizendine, Louann]
Language: eng
Format: epub, pdf
Publisher: Broadway Books
Published: 2010-10-07T04:00:00+00:00

FOUR: THE BRAIN BELOW THE BELT

average of one or two: For more on men wanting a greater number of short-term sexual partners, see Schmitt 2001.

interest in one-night stands: For more on one-night stands, see Schmitt 2001, Laumann 1999b, and Mulhall 2008a. For more on men’s satisfaction with their sex life, see Colson 2006, who found that almost 70 percent of men reported that they wished to change some things about their sexual life.

men’s testosterone levels to go up: Van der Meij 2008.

as sexually hot—or not: Ortigue 2008 found that the male brain’s decision about desirability of sexual stimuli occurs within the first 200 milliseconds after seeing a woman. This means it occurs before conscious processing.

way their penis is shaped: Sanchez 2007.

happy with their partner’s size: Lever 2006 surveyed 52,031 men and women and found that many men wished they had a larger penis. And only 2 out of 1,000 men wished their penis were smaller. Dillon 2008 found that penile size is a considerable concern for many men from teens to old age. Wessells 1996 found that neither a man’s age nor the size of his flaccid penis accurately predicted erectile length. But stretched penis length most closely correlated with erect penis length. For more on penis size, see Francken 2002.

is their most important feature: Francken 2002 found that a great many men believe that the size of the penis is directly proportional to its sexual power.

larger than it needs to be: Diamond 1997 notes that since the penis only has to be able to fit into a woman’s vagina, men with penises that are too large may not be able to sire as many offspring, thus making larger penises undesirable.

from 5.5 to 6.2 inches: Wylie 2007 found that the average erect penis is 5.5 to 6.2 inches long and that an average-sized man is likely to be troubled by concerns that his penis is not large enough to satisfy his partner or himself and to be ashamed to have others view his penis, especially in the flaccid state.

to their females, it’s supersize: Diamond 1997 describes that, compared with other mammals, the human penis is larger than necessary.

conscious desire to have sex: Janssen 2008 found in his survey that most men say that they can experience erections without feeling aroused or interested.

to start an erection: Tsujimura 2006. Holstege 2003 found that erection starts as a man imagines having sex with his partner or with other women in any of various positions and locations, both indoors and out. For more on erection, see Janssen 2008, Baskerville 2008, and Schober 2007.

“order for him to function”: Beach 1967 found that none of this circuitry for sexual arousal or erection works in males who are deprived of testosterone. Steers 2000 found that it is testosterone, along with oxytocin and neurochemicals like dopamine, acetylcholine, and nitric oxide, that acts within the brain, spinal cord, and penis to produce an erection. Swann 2003 found that in the male brain, there is a sexually differentiated, testosterone-responsive network that relays signals to the muscle-control areas to produce copulation.

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