Comparison of intelligence quotients of first- and second-generation deaf children with cochlear implants

K. Amraei, Lorestan University, Khorramabad, Iran and S. Amirsalari, University of Medical Science, Tehran, Iran and M. Ajalloueyan, University of Medical Science, Tehran, Iran (2016) Comparison of intelligence quotients of first- and second-generation deaf children with cochlear implants. International Journal of Pediatric Otorhinolaryngology, 92 (2017). pp. 167-170.

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Abstract

Hearing impairment is a common type of sensory loss in children. Studies indicate that children with hearing impairment are deficient in social, cognitive and communication skills. This study compared the intelligence quotients of first- and second-generation deaf children with cochlear implants. This research is causal-comparative. All 15 deaf children investigated had deaf parents and were selected from Baqiyatallah Cochlear Implant Center. The 15 children with cochlear implants were paired with similar children with hearing parents using purposive sampling. The findings show that the Hotelling trace of multivariate analysis of variance (F ¼ 6.78, p < 0.01, hP 2 ¼ 0.73) was significant. The tests of betweensubjects effects for second-generation children was significantly higher than for first-generation children for all intelligence scales except knowledge. It can be assumed that second-generation children joined their family in the use of sign language as the primary experience before a cochlear implant. The use of sign language before cochlear implants is recommended. Keywords: First- and second-generation deaf children Intelligence quotient Cochlear implant

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