Development of the Brazilian Portuguese Dichotic Sentence List Test Desenvolvimento do teste Listas de Sentenças Dicóticas em Português Brasileiro

Purpose: To develop Brazilian Portuguese Dichotic Sentence List Test, check its applicability and propose an application protocol for auditory processing assessment. Methods: The lists of sentences were taken from the original material, analyzed in detailed and adapted to form the new test. To compose pairs of sentences with as much of the same duration as possible, the duration of each sentence was statistically analyzed within the same list and among lists. The lists were combined in increasing order of length, within each list; and combinations of the lists were formed according to the length of sentences, resulting in 42 different sets of lists. Then, the test was performed with 42 normal hearing individuals. Individuals were instructed on how to answer: initially, they should repeat the sentences presented to both ears (attention divided between the right and the left ears). Then, the steps for the right ear phrases (attention directed to the right ear), and finally for the left ear (attention directed to the left ear) were performed. Results: The new material was composed as follows: track 1, pure tone calibration; track 2, modified 1A list; and tracks 3 to 44, the 42 possible combinations among the lists. After the test was applied, an application protocol was suggested. Conclusion: The Brazilian Portuguese Dichotic Sentence List Test was developed and proved to be an instrument that can be used in adults. Therefore, a protocol was proposed with two different combinations of lists and presentation sequence for auditory processing assessment.