Predictions of Grammatical Sentence Understanding in Children with CI(s)

• The aim of the study was to examine grammatical sentence understanding (TROG-2) in 6-9 year old children with cochlear implants (CI), and compare their performance to age-matched children with normal hearing (NH). Receptive vocabulary, picture naming, semantic feature knowledge, word fluency, non-word discrimination (phonology), word learning and non-verbal cognitive ability were examined as possible predicting factors for TROG-2. Age at implantation, hearing age, and speech recognition were also investigated in children with CI. For TROG-2, 6-7 year old children with CI performed similar to controls, and 50 % of them reached one year or more above the age-equivalent norm level. Speech recognition and age at 2nd implantation were associated with better results on TROG-2. Non-verbal cognitive ability and picture naming predicted grammatical sentence understanding in children with CI. Earlier age at implantation and a shorter period between 1st and 2nd implantation might also have a positive influence on TROG-2 for younger children with CI. The predicting factors of grammatical sentence understanding in the group of children with NH were related to non-word discrimination and breadth and depth in receptive vocabulary.

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