Dichotic tests for students with learning disabilities
DOI:
https://doi.org/10.21030/anyp.2019.2.2Keywords:
dichotic test, binaural integration, learning difficultiesAbstract
The development of the left or right brain hemisphere′s dominance (lateralization) is essential for language development. Dichotic test is a relatively fast and simple procedure for the investigation of lateralization and binaural integration (listening with two ears). The present study shows how kindergarten children with learning disabilities the perform in the dichotic perception tests. Results of an experiment with twenty children with learning disability risk and twenty normally developing children at the kindergarten show that children at risk perform significantly weaker compared to the children in the control group. The difference between the two groups is larger in case of the left ear. This might indicate that asymmetry is abnormally large between the perception of the two ears. The difference between the two ears may lead to difficulties in speech perception and speech comprehension. Defining age norms in these dichotic tests may contribute to the differential diagnosis of atypical language development.
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