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To: KyrosL who wrote (69702)	12/16/2010 12:36:27 PM
From: Cogito Ergo Sum	Read Replies (1) \| Respond to of 217915

timesonline.co.uk

To: KyrosL who wrote (69702)	12/16/2010 4:22:47 PM
From: Maurice Winn	2 Recommendations Read Replies (1) \| Respond to of 217915

Kyros, we need to get more specific. It's not the brain stem and limbic system we are discussing so much as the thinking department which does maths, science and high powered intellectual stuff. So body size is irrelevant and brain size is not a precise description of what matters. A bigger body needs a bigger brain because the sensory input numbers are huge. A single cell animal needs a very small "brain". A bill cell animal needs a bit more input to monitor the periphery and processes. A trillion cell animal needs quite a lot and when we are up to quadrillions and petatrillions just keeping skin monitored and internal processes functions takes a lot of brain matter. But that skin monitoring process is not thinking. So size compared with body is irrelevant. Given the propensity of women these days to weigh nearer 100kg than 50kg, their proportion of brain size to body mass is shrinking. <Do women have smaller brains than men as a proportion of body weight? > What matters with brains is function. Female brains have been measured and found lacking. I have produced an explanation of why. It's obviously right. Nature gives them less time to develop. That's an insuperable barrier. Males get years more time to experience and learn. They also have drives to do so due to their Y chromosomes and testosterone. It's a fact that smarter people have bigger brains. Keep in mind that that is a statistical fact rather than that a particular bigger brain is necessarily smarter. Mqurice