Seven aspects of neuropsychology are discussed including modern trends in neuropsychology by Klaus Poeck, the behavioral effect s of commissural section by George Ettlinger and Colin B. Blakemore, neuropsychological studies of phantom limbs by Sidney Weinstein, and problems in the anatomical understanding of aphasias by Norman Geschwind. Also included are articles on some unanswered questions of constructional apraxia by Arthur L. Benton, a reappraisal of protopathic and epicritic sensation by Josephine Semmes, and a review of recent evidence in auditory agnosia by Luigi A. Vignolo. References, a name index, and a subject index are provided. (JM)