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[quote=Anonymous][quote]A good course in genetics (genomics, epigenomics) and brain development will go along way to helping lay people grasp the logic of faulty concepts such as "fixed" intelligence. 21st and 2nd century man, I suspect, are two different creatures when it comes to "fixed" intelligence, relative "intellectual performance" and the tools and instruments one would measure this with. I wonder how the 2nd century man would perform on the WISC test? Since intelligence is "fixed" according to some the scores should be roughly the same ... as should metabolic and physiologic imaging of their respective brains overtime? Does anyone here even think these metabolic and physiologic developmental brain images would be equivalent? Presumably this is the substrate that gives rise to intelligence. [/quote]

One does not even have to go back as far as the 2nd century to witness plasticity and malleabilty of mental/intellectual and physical performance.

Think about some of the "physical barriers" of man ("fixed" intelligence and physical performance analogy).  Anyone remember the 4 min mile biologic restraint in the first half of the 20th century.  Sir Roger Bannister, an Oxford medical student and later physician, destroyed this barrier when he cracked the impossible -- a sub 4 minute mile!  Today, a half a century later this is a routine accomplishment.

There is plasticity of the musculo-skeletal and cardiopulmonary system of man that make these physical achievements possible (witness the falling performance records over time) and thus physical performance not "fixed".

There is plasticity of the neuronal and neurologic/nervous system of man making intelligence, similarly, not "fixed".

Kids keep prepping.  That's what Sir Roger Bannister did and proved the naysayers flatly wrong.

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