COGNITIVE NEUROPSYCHOLOGY IS MORE THAN SINGLE-CASE STUDIES

S. M. Sokol et al. (1991) claim that ''The Cognitive Neuropsychology A pproach'' (p.355) is limited to the single-case study design. The pres ent article takes issue with this claim. Contrary to the beliefs of So kol et al., we argue (a) that cognitive modularity is best studied by group design, (b) that the possibility of neural reorganization in pat ients should be tested through converging evidence from different popu lations using various methods, and (c) that cognitive neuropsychology can benefit from being a part of cognitive neuroscience where both neu ral and cognitive mechanisms underlying normal cognition are relevant.