Brainstem auditory evoked potedntial the normal and mentally retarded and its relationship to intelligence

This study selected randomly a group of mentally retarded children consisting of 33 male members ranging in age between 107-169 months in addition to 29 normal children matched for age and sex and served as controls. Subjects of both groups were free from hearing h and icaps and all were subjected to brain stem auditory evoked potential [BAEP] measurement. Raven progressive matrices test was used for the evaluation of intelligence aiming to find out any possible differentiating characteristics between normal and mentally retarded children as well as establishing the correlation if present between the level of IQ and brain stem evoked wave structure