tests were carried out in a group of patients with unilateral cerebral lesions of vascular origin and apparently normal pure-tone audiograms ( cns patients ) , in a control group ( normally hearing young adults ) and in 5 other groups of patients ( conductive symmetrical hearing loss , conductive asymmetrical hearing loss , bilateral presbyacusis , unilateral sudden deafness , meniere 's disease ) .
C0007820
cerebral lesions
C3714787
cns