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D1 Brain SizeB Environmental Differences or Skull r 015AssociationsBrain r 033Impoverished VS EnrichedThe human brain shrunk as we evolvedNutrition UNEinsteins brain was slightly smaller than BreastfeedingaverageSchooling effectsStereotype threat Perform less well than Differences in Einsteinour abilitiesoParietal Lobes 15 bigger than Stereotype lift Positive stereotype activated tend to perform better Asian averagewomenoFrontal Lobes had more grooveso2 hemispheres had more thFlynn effect Since the beginning of the 20 connectionsCentury IQ scores have been rising every decade 25 pointsD2 Brain FunctionC Group Differences in Intelligence Test Speed of information processing ScoresHigher the IQ the faster the processingReaction time time it takes to respond to a Ethnic Differences Most likely due to stimulusenvironmental factorsPerceptual Speed how fast the brain Racially mixed No differencesassesses somethingLower IQ if poverty and discrimination is Nerve Conduction Velocity NCV How fast involved neurons transmit electrical informationBeliefs shape o
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