Discusses the ratio of energy dissipated as sound to the mechanical output of devices. Considers noise levels, ranges vs. peaks, noise indexes, and health hazards. Indicates some problems vs. solutions in the technology of noise control. (GH)

Contributions from researchers in the field of running mechanics are included in the 13 chapters of this book. The following topics are covered: (1) "The Mechanics of Distance Running: A Historical Perspective" (Peter Cavanagh); (2) "Stride Length in Distance Running: Velocity, Body Dimensions, and Added Mass Effects" (Peter Cavanagh, Rodger…

The usefulness of"memory" is being questioned as a concept for explaining the facts of remembering. The brain is an extensive and elaborate switching system for organizing sensory inputs from environmental situations and for generating appropriate and properly timed responses to them. The learning of knowledge consists of learning a…

Type A individuals are characterized by a sense of urgency, hard-driving competitiveness, and hostility which are manifested in their attempts to establish and maintain control over personal and environmental events. In order to investigate conformity and interpersonal dominance in Type A personalities, 87 male college students completed the…

Reactions of foster children to separation from their families of origin were identified from case materials of 36 Canadian protective service workers. A broad range of reactions was apparent. Discussion focuses on anxiety, regression, physiological symptoms, denial of feelings, persistent attachment to rejecting or unreliable parents, rebellious…

This review of the literature discusses and examines the methods used in physiological assessment of rowers, results of such assessments, and future directions emanating from research in the physiology of rowing. The first section discusses the energy demands of rowing, including the contribution of the energy system, anaerobic metabolism, and the…

This monograph consists of eight papers which refer in one way or another to the pharmacology of cocaine. The papers are: (1) Cocaine 1984: Introduction and Overview" (John Grabowski); (2) "Cocaine: A Growing Public Health Problem" (Edgar H. Adams and Jack Durell); (3) "Neural Mechanisms of the Reinforcing Action of…

A within-subjects, three condition design was employed to examine the effects of three relaxation techniques on blood pressures, pulse rates, and self-report measures of relaxation for 12 college students. Respiratory Manipulation Training incorporated instructions to exhale and not to inhale for as long as possible. When breathing could no longer…

This annotated bibliography documents traditional isotonic strength training and nontraditional isotonic strength training (isokinetics) to aid the athletic coach in deciding which type and scheme of training will best develop strength. A glossary of terms is provided. Appendices include muscle action charts and tables, body position charts, a…

Investigated were cognitive processes involved in probability guessing in terms of autonomic changes with 48 educable mentally retarded adolescents. (Author/DB)

Reported are the results of a study involving 1800 3-year-old children which was conducted to investigate in detail children who might appear to be at risk for later psychiatric breakdown. Described are study procedures including collection of background data on each child through visits with the parents, observation of children's play behavior…

This textbook is a course in physiology and hygiene for young children. Anatomy, alcohol and tobacco use, exercise, food, skin, eyesight, and hearing are covered. It is recommended that the pupils should frequently be required to write short compositions upon selected topics; and that the script interspersed in the lessons be written upon the…