Dichotic alignment, phonetic, and language variables as predictors of SSW performance.
Itemized error scores on the SSW test were acquired for 134 adults in six clinical groups. Using regression analysis, predictors of SSW performance by each group were sought from among variables descriptive of the SSW spondaic words on the EC tape. These included 13 alignment variables, 14 phonetic variables, and 10 speech-language variables. Results showed that for normal subjects, asynchronous dichotic onsets reduced errors significantly. Retrocochlear subjects were sensitive to dichotic phonetics . Cochlear subjects and those with Heschl 's gyrus lesions were both affected by word familiarity variables. Those with cortical lesions sparing Heschl 's gyrus were affected by dichotic alignment. None of the 37 predictor variables was related to SSW performance by adult mentally retarded subjects.
D000293:Adolescent; D000328:Adult; D001304:Auditory Diseases, Central / Q000150:complications / Q000175:diagnosis*; D002648:Child; D004007:Dichotic Listening Tests / Q000379:methods*; D006320:Hearing Tests / Q000379:methods*; D006801:Humans; D008607:Intellectual Disability / Q000150:complications; D007802:Language; D008875:Middle Aged; D010700:Phonetics; D012044:Regression Analysis