Maze learning was used with preschool children to test the hypothesis that the hippocampus (a distinctive cortical structure) in the human brain matures at about four to five years of age. (JMB)

A statistically proper method for evaluating change in cardiorespiratory performance as a function of experimental condition is presented.(JD)

An elementary school program is described consisting of a series of guided progressive sessions to assist the participants in becoming aware of their tensions and how to release these tensions. (JMF)

In this article, the author recounts her experience with Tracy, who was playing with a balloon outside her office when she was five years old, and gives an up-to-date story of Tracy since 1985, 1990, and 2006. In reflecting on Tracy's play, the author realizes that Tracy is helping her see clearly what play is really all about, that in playing to…

The developing brain has the capacity for a great deal of plasticity. A number of investigators have demonstrated that intellectual and language skills may be in the normal range in children following unilateral perinatal stroke. Questions have been raised, however, about whether these skills can be maintained at the same level as the brain…

Although some music lyrics and television content may indicate an overall easing of censorship in U.S. society, authors, educators, young people, and all other individuals who value free access to information continue to face the threat of censorship from people who try to impose their value systems on others. While censorship can affect any type…

Eight pamphlets provide information to parents about the developmental characteristics of toddlers at different ages and related caregiving concerns. Two issues of the series focus on children 13- to 15-months-old, two on 16- to 18-months-old, two on 19- to 21-months-old, and two on 22- to 24-months-old. The first issue in each pair focuses on…

The development of the ability to selectively oppose fingers to the thumb and to localize digits was studied in preschool children. Competence increased with age. Results are discussed in terms of the development of body schemata and neuropathological conditions. (ST)

SEVENTY-FIVE ALPHABETIZED, ANNOTATED CITATIONS ABOUT THE PSYCHOMOTOR DOMAIN, WITH PUBLICATION DATES FROM 1923 THROUGH 1965, ARE PRESENTED FOR USE BY THOSE CONCERNED WITH DEVELOPING PHYSICAL ABILITIES AND SKILLS. REPRESENTATIVE AREAS COVERED ARE (1) DEVELOPMENT OF VISUAL AND MOTOR SKILLS, (2) EDUCATIONAL PSYCHOLOGY, (3) EFFECTS OF ANOXIA AND STRESS…

This study investigated the effects of a short period of severe protein malnutrition on subsequent growth and development in the squirrel monkey. A total of 12 newborn monkeys were fed a low protein diet from 2 to 8 weeks of age then rehabilitated by returning them to the 13 percent protein diet of the control group. Minimum amount of protein…

This research study determined the relative importance of various basic motor ability traits possessed by the learner in the process of acquiring neuromuscular skills. Fifty-two university students practiced two novel skills (ball toss and fli-back paddle ball) 5 days per week for 2 weeks. Prior to beginning practice, each subject was measured on…

Reports on a strategy of continuous measurement of the frequency of the same infant behavior over time, which was applied to measuring infant development in the prone position, namely, chin lifting, chest lifting, and a creeping response. (BD/BR)

Thirty-seven palm prints and 30 sole prints of people with 9p trisomy (a chromosomal anomaly associated with abnormal limb development) were analysed with respect to frequency distribution of loops and triradii on palms, soles, and fingertips, as well as of the total pattern types. (Author)

A review of research studies suggesting that girls who exercise vigorously may experience disruptions in maturational processes suggests that carefully-monitored sports participation and training have no effect on growth and maturation. (Author/CB)