Age-related differences in the preparatory processes of motor programming

Article Abstract:

An early maturation of motor programming processes was found in a study of the mechanisms behind the age-related differences in information processing in motor responses, with focus on the development of feedforward mechanisms. Four age groups were studied under two conditions, namely, no advanced information on the movement to be made was given and advanced information was provided to allow the respondent to prepare a response based on a prime. Results showed that beyond six years of age, children can use the advanced information to prepare their movement and that there is no significant variance in the costs and benefits of pre-programming with age.

Psychological aspects, Motor ability, Motor skills, Human information processing, Conditioned response, Conditioned responses

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Covert orienting to central visual cues and sport practice relations in the development of visual attention

Article Abstract:

The development of the ability to focus on different locations without eye movement is studied. The factors relevent to this ability called covert orienting are analyzed. Subjects were either practiced or non-practiced tennis players belonging to three different age groups. Results show no significant effect of age and practice on processing of cues. Older and practiced subjects had littleuse for central cues. These two groups were also better at orienting and efficiency.

Tennis, Visual acuity

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Contribution of central and peripheral vision to the regulation of stance: developmental aspects

Article Abstract:

Children aged 6, 8 and 10 were found to be more stable in their stance either with complete or partial vision. An altered support surface with a 5-cm-thick foam, used to provide somatosensory information, had considerable effect on the postural stability of children. Central vision regulated medio-lateral and antero-posterior oscillations of the three age groups, while peripheral vision becomes more efficient for regulating antero-posterior oscillations after age 6.

Children, Demographic aspects, Posture

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