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Bach, Paul J. – 1981
Cognitive change in the elderly can be due to several etiological factors which are empirically difficult to separate and clinically problematic to differentiate. Normal aging is accompanied by behavioral slowing. The slowing down of psycho-motor processes results in a lowered intelligence quotient, but cannot be taken as unequivocal evidence for…
Descriptors: Adult Development, Aging (Individuals), Behavior Change, Cognitive Ability