Indicates that 18- to 20-month-old infants can detect the correspondence between auditorially and visually perceived speech; that is, they manifest some of the components related to lip-reading phenomena in adults. This demonstration of the bimodal perception of speech in infancy has important implications for social, cognitive, and linguistic…

Progress is now being made toward ascertaining the specific effects of rearing conditions on brain and behavior, the properties of the environment that contribute to these effects, and the developmental periods in which brain tissue is most sensitive to environmental modification. (Author/RH)

Article describes results of a longitudinal study on measuring intelligence of infants. Results cast serious doubt on the notion of measuring general intelligence in the period of infancy. (PS)

Prenatal exposure to the Dutch famine of 1944-45 had no detectable effects on the adult mental performance of surviving male offspring; birth weight was not related to mental performance; and the association of social class with mental performance was strong. (AL)

Reports on a study in which the symbolic relation between a scale model and the larger space that it represents was displayed by two groups of young children. Three-year-old children outperformed 2.5-year-olds in finding an object in a room after seeing an analogous object hidden in a model. (TW)

The author's purpose in this article is to discuss the aspects of language (especially the development of language in children) to which biological concepts are most appropriately applied. While results of past studies would seem to show that language development is contingent on specific language training, it is important to distinguish between…

Studies by the late English psychologist Cyril Burt of IQ scores of separated twins strongly suggested that intelligence was inherited. A summary of recent research costs doubt upon the validity of Burt's work. (SL)

Early mental development of twins and siblings is analyzed, from an evolutionary viewpoint and related to the interplay of genetic programing, maturational status, and environmental influence. (MP)

Presents experimental findings that indicate that some number capacity is present in 22-week old infants, long before the onset of verbal counting. Suggests that verbal counting may have precursors present during infancy. (CS)

Investigates the contribution of: (1) parental occupation and education, and (2) school and district characteristics to mental performance of 11-year-olds in Warsaw, Poland. Results obtained by using multiple regression analyses showed that mental performance was related only to parental occupation and education. (HM)

Discusses the cognitive consequences of education, and reviews evidence which supports the hypothesis that differences in the social organization of education promote differences in the organization of learning and thinking skills in the individual. Proposes that new accommodations are needed between school-based learning and learning experiences…

Developmental equations, which predict 32 parameters of the electroencephalogram as a function of age, are presented as tools to indicate children with potential neurological disorders and learning disabilities. (MP)

Chronically undernourished children of low socioeconomic status participated in a treatment program combining nutritional, health care, and educational features. By school age, the gap in cognitive ability between the treated children and a group of privileged children had narrowed. The effect was greater for the youngest preschoolers entering the…

Focuses on a single rule of grammar to produce evidence of a memory system for language acquisition and processing that is modular; independent of real-world meaning; unaffected by frequency and similarity; sensitive to formal distinctions; more sophisticated than the explicitly-taught rules it subsumes; developed independently of ambient input;…

Addresses implications drawn from contemporary research in cognitive psychology which deal with the impact of nonconscious mental structures and processes on an individual's experience, thought, and action. Discusses the information-processing perspective, automatic processes, subliminal perception, implicit memory, hypnotic alterations, and the…