Ognition test was used to assess speech perception in quiet, unilaterally and bilaterally. The CNC test consists of 10 lists with 50 monosyllabic words in each list. Two lists are administered for a total of 100 words per test condition. Subject responses were scored for the number of words correct, expressed as a percentage. BKB-SIN Test--The BKB-SIN test consisted of 36 lists of sentences with t