published_or_final_version / Sports Science / Master / Master of Science in Sports Science

M.A. / The aim of the study was to investigate whether evoked potential distinguishes between motor coordinated and-uncoordinated African children. Because the brain functions as a unified entity and different brain systems are integrated simultaneously, it was postulated that there is a relationship between the auditory evoked potential of the brain stem on the one hand and motor coordination on the other hand, that is, the sensory and the motor systems are related. Sensory- motor activity is thus perceived to form a unified function within the total framework of human functioning. The relevant literature points to a possible relationship between the auditory evoked potential of the brain stem and motor coordination. Patients with degenerative diseases such as Parkinson's disease and multiple sclerosis exhibit abnormal evoked potential responses as well as unusual motor behaviour and coordination. Similarly, children with hearing problems also show unusual evoked potential responses of the brain stem as well as motor lethargy(delayed motor responses) and clumsiness. As a result of these tendencies it was postulated that evoked potential would be able to distinguish between motor-coordinated and -uncoordinated subjects. The brain's evoked potential response is a robust phenomenon that provides a record of electrical brain activity, even in trials where overt responses are not usually expected. The present study focuses on the auditory evoked potential of the brain stem (AEP). The evoked potential serves as a measure of the sensory transmission of information in the brain and consequently highlights the neural activity underlying normal sensory experiences. The subjects selected for the study were 46 eight- to twelve-year-old African children attending a farm school. They can be regarded as representative of the population of eight- to twelve-year old African farm children. All the subjects were administered the Quick Neurological Screening Test in order to catagorise them into two groups, namely the motor-coordinated group and the motor-uncoordinated group. Thereafter the auditory evoked potential of the brain stem was recorded from all the subjects in both groups ...