Dictionary » C » Convolutions

Convolutions

Convolution

1. A coiling or rolling of an organ.

2. Specifically, a gyrus of the cerebral or cerebellar cortex.

Origin: L. Convolutio


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Brain size=IQ level theory (Blacks vs Whites & Asians)

... opposed conclusions of race differences in structural variables such as cortical thickness, size of frontal lobe, or complexity of the brain's convolutions. Rushton (1988a), however, countered that aggregating across studies typically cancels measurement error, at least nonsystematic measurement ...

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by TJJ
Fri May 16, 2008 12:17 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 263523

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... (p. 7) reported a Black/White difference in brain weight of 100 grams and that he did not refute the data on racial admixture or on complexity of convolutions. J. S. Michael's (1988) revelation of Gould's mistreatment of Samuel George Morton's 19th century data has been described above. Nonetheless, ...

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by TJJ
Fri May 16, 2008 12:13 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 72
Views: 263523


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