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Dimecres 7 de setembre de 2016 Pòster
Executive Functions and Eye Fixations in Children with Cochlear Implant
Exposa: Maria Fernanda Lara Díaz, Universidad Nacional de Colombia

Autors: María Fernanda Lara Díaz, Silvia Raquel Rodriguez Montoya, Cindy Carolina Rivera, Sandra Milena Araque Jaramillo


Recent findings suggest that hearing loss could affect not only language skills but also some neurocognitive functions (Pisoni et al., 2010). Working memory, processing speed, planning and inhibitory control are abilities altered in children with diagnosed hearing loss in comparison to children who have normal audition. It is well known that perception and speech processing depend on executive functions (Beer, Kronenberger, & Pisoni, 2011). Procedure: Participants: 16 children, 6-10 years old, with cochlear implant and their respective controls matched based on age, gender and socioeconomic level Eye tracker was used in order to analyse ocular movements during the evaluation of the executive functions in a group of children with cochlear implant and their controls. Tests: • BANFE Battery of frontal lobes and executive functions. (Ostrosky & Lozano, 2012). • CELF 4 Clinical Evaluation of Language Fundamentals 4 screening test. (Semel, E. M., Wiig, E. H., Secord, W., & PsychCorp (2004). • K-BIT : Kaufman Brief Intelligence (non-verbal) (Kaufman, A. S., Cordero, P. A., Calonge, I., & Kaufman, N. L. ,1997). • Eye tracker Tobii Tx 300. Ocular movements in executive functions tasks were evaluated in a similar way to the one proposed by BANFE test. Fixation time and fixation percentage were calculated from the beginning of the task to the first fixation, also were calculated the fixations times in each interest area (AOI). The results of this study are consistent with the assertions of Rothpletz and Sladen (2005), as we also found that children with cochlear implants managed and organized differently the visual input as compensatory strategy. Differences were observed in the pattern of visual fixation and areas of interest in children with cochlear implants. The hypothesis of Sladen, Tharpe, Ashmead, Grantham & Chun (2005) was confirmed by identifying a higher percentage of peripheral attachments on the cochlear implant group compared to the control group. References Beer, J., Kronenberger, W. G., & Pisoni, D. B. (2011). Executive function in everyday life: implications for young cochlear implant users. Cochlear Implants International, 12 Suppl 1, S89-S91. doi: 10.1179/146701011X13001035752570 Blamey,P.J.,Sarant,J.Z.,Paatsch,L.E.,Barry,J.G.,Bow,C.P.,Wales,R.J., etal. (2001). Relationships among speech perception, production, language, hearing loss, and age in children with impaired hearing. J. Speech Lang. Hear. Res. 44, 264–285. doi:10.1044/1092-4388(2001/022) Conway C.M., Pisoni D.B., KronenbergerW. 2009. The importance of sound for cognitive sequencing abilities. Current Directions in Psychological Science, 18: 275–279. Flores, J. C., Ostrosky S. F., Lozano. A., (2102). BANFE: Batería de funciones ejecutivas y lobulos frontales. Manual Moderno. Gioia G.A., Isquith P.K., Guy S.C. (2001). Assessment of executive function in children with neurological impairments. In: Simeonsson R., Rosenthal S. (eds.) Psychological and Developmental Assessment. New York: The Guilford Press; pp. 317–356. Kaufman, A. S., Cordero, P. A., Calonge, I., & Kaufman, N. L. (1997). K-BIT: Test breve de inteligencia de Kaufman. Madrid: TEA. Kronenberger, W. G., Beer, J., Castellanos, I., Pisoni, D. B., & Miyamoto, R. T. (2014). Neurocognitive Risk in Children With Cochlear Implants. JAMA Otolaryngol Head Neck Surg., 140 ((7)), 608 - 615. doi: 10.1001 Oberg, E., & Lukomski, J. (2011). Executive functioning and the impact of a hearing loss: performance-based measures and the Behavior Rating Inventory of Executive Function (BRIEF). Child Neuropsychology: A Journal On Normal And Abnormal Development In Childhood And Adolescence, 17(6), 521-545. doi: 10.1080/09297049.2011.555760 Pisoni D.B., Conway C.M., KronenbergerW.G., Henning S., Anaya E.( 2010). Executive function and cognitive control in deaf children with cochlear implants. In: Marschark M.S. (ed.) Oxford Handbook of Deaf Studies, Language, and Education. 2nd ed., Vol. 1. New York: Oxford University Press. Rothpletz, A. M., Ashmead, D. H., & Tharpe, A. M. (2003). Responses to targets in the visual periphery in deaf and normal-hearing adults. Journal of Speech, Language, and Hearing Research, 46, 1378–1386. Samar, V. J., Parasnis, I., & Berent, G. P. (1998). Learning disabilities, attention deficit disorder and deafness. In M. Marschark & M. D. Clark (Eds.), Psychological perspectives on deafness (Vol. 2, pp. 199–242). Mahwah, NJ: Lawrence Erlbaum. Semel, E. M., Wiig, E. H., Secord, W., & PsychCorp (Firm). (2004). CELF 4: Clinical evaluation of language fundamentals 4 screening test. San Antonio, TX: Pearson, PsyhCorp.
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