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Modulating Cognition Using Transcranial Direct Current Stimulation of the Cerebellum
Published on: February 15, 2015
Dichotic listening test in patients with chronic cerebellar disease
Josyane Borges da Silva Gonçalves1, Clemente Isnard Ribeiro de Almeida, Patrícia Maria Sens
1Santa Casa de São Paulo, Faculty of Medical Sciences, São Paulo, Brazil. josyaneborges@terra.com.br
Purpose:
The aim of the study was to identify alterations in the auditory processing of patients with chronic cerebellar disease using a dichotic listening test with alternating dissyllables, also known as the Staggered Spondaic Word (SSW) test.
Materials And Methods:
A study involving a control group of 20 subjects and a study group of 18 patients with chronic cerebellar disease of both sexes aged between 9 and 56 years was performed. The SSW test was conducted in accordance with strict standard protocols along with the analysis procedures.
Results:
Findings revealed a statistically significant difference in the quantitative alterations on the SSW test in the study group compared with the control group (P < .001). Results of the qualitative evaluation showed no statistically significant differences between the study and control groups for order or auditory effects. However, a statistically significant difference for presence of inversions was identified, with the worse result in the study group.
Conclusion:
The present study identified quantitative and qualitative changes in auditory processing for decodifying, gradual memory loss, and organization modes on the dichotic listening test with alternating dissyllables (SSW) in individuals with chronic cerebellar disease.
