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" wrote
I like to fly, but I daresay I don't have whatever it takes to fly an F-14 in carrier operations. But then, *statistically*, you don't either. Very few people do. From a former Naval Aviator. Being an excellent fighter pilot and landing on an aircraft carrier is much different than flying jetliners from JFK to ORD. It's all about "Spatial Orientation", a trait that the Navy tested for extesively during the training process. I have posted this previously....here it is again. The Brain, Richard Restak, M.D. Based on the PBS Series, "The Brain" Brain-Sex Differences: Are They Real? Men generally have better spatial function than women. This refers to the ability to mentally visualize and maneuver objects within three-dimensional space. But among men who don't produce the male sex hor- mone testosterone, spatial abilities are poorly developed. According to Harvard neurolo- gist Norman Geschwind, "It is very impor- tant to stress that there are women who have absolutely superb spatial function and there are plenty of men whose spatial func- tion is abysmal. But on the average, men have better spatial function than women. One practical consequence involves the dif- ficulties some people experience in the immediate discrimination between right and left. In one study twice as many women as men reported "frequent" problems in rap- idly deciding about right-left issues (turning right at a fork in the road, quickly respond- ing when asked to raise the right or left hand, and so on). Other areas in which brain-sex differ- ences play a prominent but by no means exclusive role include: Language facility. Females generally speak earlier, learn foreign languages more easily, and outperform males in tests of verbal fluency. Fine hand control. From an early age, rapid sequential movements are performed better by girls, who, as a result, exhibit better penmanship than boys of the same age. Mathematical ability. Studies among mathematically gifted students reveal that males outnumber females among the supe- rior achievers. According to Johns Hop- kins researchers Camilla Benbow and Julian Stanley, "We favor the hypothesis that sex differences in achievement in and attitude toward mathematics result from superior male mathematical ability, which may in turn be related to greater male ability in spatial tasks." Dyslexia, stuttering, delayed speech, au- tism, hyperactivity...each of these neuro- behavioral disorders occurs with greater frequency in males. Although the above sex differences are well established, no one has as yet convinc- ingly demonstrated an anatomic difference between the brain structures of human males and females. These behavioral differ- ences may be the result of chemical changes in brain function resulting from the influ- ence of sex hormones in early prenatal development. Bob Moore |
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