There is no doubt that nutritional status can have significant and sometimes profound effects on human mental performance (Table 1). This is evidenced by, for example, the consequences of chronic and severe food restriction (Smart, 1993), thiamin deficiency (Kanarek & Marks-Kaufman, 1991), and Fe deficiency (Pollitt, 1987). Acute effects of food and fluid ingestion have also been described, and...

An abundant literature suggests that intellectual performance can be improved following the intake of a glucose load, or of some carbohydrate-rich food. Improved mental performance generally correlates with the subjects’ blood glucose level at the time of tests. Inconclusive studies also exist and the overall picture of glucose effects on cognition remains enigmatic. Cognition represents a comp...

Volume 2—Number 1 © 2008 the Authors Journal Compilation © 2008 International Mind, Brain, and Education Society and Blackwell Publishing, Inc. 7 ABSTRACT — Cognitive performance is affected by an individual ’ s characteristics and the environment, as well as by the nature of the task and the amount of practice at it. Mental performance tests range in complexity and include subjective estimates...

the purpose of this study was to compare the effects of different combinations of mental and physical practices on the acquisition and retention of a motor skill in mentally retarded male students. subjects were 40 guidance students who were healthy and novice in basketball penalty shot. they were selected randomly and were assigned to 5 homogeneous groups (4 as experimental and 1 as control) b...