Comparison of IQ between 4-16 year-old children after cochlear implantation in the left or right ear

Purpose: Hemispheric dominance is associated with more activity in one half of the body, which very important presence a relationship between intelligence and brain lateralization. Delayed language development children undergoing cochlear implantation can have deleterious effects on their growth, academic performance, adaptation, social interactions. Regarding this, present study aimed to determine dominant hand 4-16 year-old left or right ear. Methods: This cross-sectional was conducted records patients aged within years who had undergone during 2008-2011. The subjects’ IQ measured using Wechsler test by neuroscience specialist. Then, implant compared that those implant. data were analyzed t-test, Fisher’s exact test, Mann-Whitney U Chi-square SPSS version 18. Results: According results, there no significant difference implants terms mean score (P=0.54). Furthermore, association observed right-handedness left-handedness (P=0.17, P=0.8, respectively). Conclusion: As findings indicated, implantation.