Neurologically healthy adults display a reliable but slight leftward spatial bias, and this bias appears to change with age (Jewell & McCourt, 2000). Studies using line bisection and the landmark task to investigate pseudoneglect in participants over 60 years of age have shown suppression and near reversal of the leftward response bias. The…

Responses of 241 convicts on 18 primary mental abilities were factored to explore the idea that there are organizations among visual and auditory functions that operate independently from the relation-perceiving and correlate-educing functions of fluid and crystallized intelligence. The suggested reliable common-factor functions are discussed.…

Highlights similarities and differences between the art making of normally developing and mentally retarded individuals. Defines pathological art as outsider art that can never be creative in the sense of relating to the artistic domain and engaging in a creative dialog with other artists that shape that domain. (MJP)

Presents a series of pictures drawn by an autistic adult over a period of years. The pictures represent recollections of a day in his childhood. This representation is notable because of its consistent theme, as well as its reflection of the ability to reexperience and enjoy pleasant past memories. (MJP)

Reviews two long-term case studies examining the art produced by two artistically gifted Down Syndrome patients. Their work shows a unique personal style characterized by flat, nonperspective compositions, canonical and mixed profile shapes, and symmetry. Both artists depict androgynous persons in their untutored drawings. Includes drawing samples…

Reviews the work of neurobiologist, David Marr, concerning artistic ability and autism. Summarizes Marr's theory of perceptual vision illuminating the relationships among object, observer, perceptual process, and image. Briefly reviews the cases of four autistic people with extraordinary drawing skills. (MJP)