Trace elements and some drugs can be identified in hair and it seems likely that other organic chemicals will be identifiable in the future. Since hair is so easily collected, stored, and analyzed it promises to be an ideal complement to serum and urine analysis as a diagnostic tool. (BB)

An examination of the hearing mechanism and some of the factors involved in helping problems may offer encouragement for a regular schedule of hearing maintenance. It may also help music educators to become more aware and understanding of their own and students' hearing as it affects musical behavior. (Author)

Discusses how muscle can exert an influence on the behavioral potential of an organism and attempts to refute the "all or none law" by demonstrating that skeletal muscle is not merely a slave of the central nervous system. (Author/MA)

The factors affecting long-term participation in exercise training programs are examined, and educational and motivational suggestions are presented for the exercise leader or fitness program coordinator to use in order to stimulate interest and enthusiasm among program participants. (MM)

Circus arts activities enhance flexibility, strength, balance, body coordination, locomotor skills, and creativity. (MM)

This "state of knowledge" report assesses the importance of risk factors and encourages multiple intervention measures. (Author/BB)

Reports the evolutionary history of the nautilus and related molluscs. (BB)

The author examines the evolutionary and neural roots of a triune intelligence comprised of a primal mind, an emotional mind, and a rational mind. A simple brain model and some definitions of unfamiliar behavioral terms are included. (Author/MA)

The properties of the human brain are described and related to the learning of languages. (DT)

Text is in German.

A resume of an interview between the authors and Andre Martinet on the book "Les reflexes linguistiques." The topics discussed are: rambling discourse, the necessity of unifying efforts of specialists in human sciences, and consideration of human communication processes from the physiological point of view. (Text is in French.) (AMH)

Compares differences in function and behavior of two oxygen-binding proteins, myoglobin found in muscle and hemoglobin found in blood. Describes the mechanism of oxygen-binding and allosteric effect in hemoglobin; also describes the effect of pH on the affinity of hemoglobin for oxygen. (CS)

The relationship between physiological response patterns and mental competence was investigated by evaluating heart rate and respiratory responses during a sustained visual-search task in 29 nonretarded grade school children and 16 retarded adolescents. (Author)

Concerns the examination of conditioned stimulus--unconditioned stimulus (CS--UCS) intervals of different lengths. Demonstrates the feasibility of using a forewarned reaction time procedure with an innocuous imperative stimulus for the investigation of classical conditioning. (Editor/RK)

The purpose of this study was to compare exercise performance and cardiorespiratory responses on the rowing ergometer with those on the cycle ergometer. Findings are presented and explained. (Author/MT)