Effect of omega-3 and policosanol supplementation on attention and reactivity in athletes.

Objective: The purpose of this study was to determine the effect of omega-3 fatty acids and policosanol supplementation on the cognitive processes involved in the control of reactivity in karateka engaged in attention tests.

Methods: Eighteen karateka were randomly assigned to 2 groups. One group (10 subjects) took the supplement of omega-3 fatty acids (2.

Distracting effect of TV watching on children's reactivity.

The experiment, aimed to evaluate the distracting effect of television, was carried out on 122 children, divided into three groups. All groups performed the auditory vigilance test (AVT) to assess reaction time (RT) to an auditory stimulus and the number of errors in responding to the stimulus. Children in group 1 performed the AVT while in front of a blank TV set and listening to the soundtrack of a movie (SO test), then watching a black and white cartoon (BW test).

Effect of mental imagery on the development of skilled motor actions.

To test the effect of imagery in the training of skilled movements, an experiment was designed in which athletes learned a new motor action and trained themselves for a month either by overt action or by mental imagery of the action. The experiment was carried out with 30 male karateka (M age = 35 yr., SD = 8.

Attention in athletes of high and low experience engaged in different open skill sports.

In this study were examined differences in attentional style of athletes engaged in two open skill sports requiring high reactivity (karate and volleyball) in groups with high or low experience. 42 healthy men, 24 volleyball players, 12 of High Experience (first division Italian League players whose M age was 28 yr. (SD=5) and 12 of Low Experience (prejunior Italian team athletes whose M age was 19 yr.

Cognitive and physiological effects of Omega-3 polyunsaturated fatty acid supplementation in healthy subjects.

Background: It has been reported that Omega-3 fatty acids may play a role in nervous system activity and that they improve cognitive development and reference memory-related learning, increase neuroplasticity of nerve membranes, contribute to synaptogenesis and are involved in synaptic transmission. The aim of this study was to examine the effects of Omega-3 supplementation on some cognitive and physiological parameters in healthy subjects.

Materials And Methods: Subjects were tested at the beginning of the experiment and after 35 days.