Discusses research which provides evidence that an adult's vocabulary may be segmented into specific categories that can be disrupted "highly selectively" when the brain is injured. (JN)

Reports that people who are predominantly left-handed apparently are able to withstand moderate brain damage with relatively few of the motor problems observed in right-handed victims of brain damage. Other brain-related differences between left- and right-handed individuals are also noted. (JN)

Investigative explanations of how the mind works and elaborates on the research and findings developed from a neurocognitive connectionist model. Presents several examples and illustrations of how the human brain may generate rules, recognize patterns, and adapt. (ML)

Discusses a theory suggesting that thoughts, feelings, dreams, and other workings of the mind are produced by chemical and electrical activity in the networks of nerve cells that make up the bulk of the brain. Opinions of a neuroscientist, anatomist, cognitive scientist, philosopher of science, and a biophysicist are provided. (BC)