ReviewImaging genetics—days of future past
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The majority of susceptibility for major psychiatric disorders is accounted for by inheritance (Moldin and Gottesman, 1997), and studies of twins have calculated heritability for various aspects of cognition, temperament, and personality ranging from 40% to 70% (Plomin et al., 1994). The effects of these genes are not expressed directly at the level of behavior, but rather are mediated by their molecular and cellular effects on information processing in the brain. Because genes are involved
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