The effect of spatio-temporal distance between visual stimuli on information processing in children with Specific Language Impairment |
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| Institution: | 1. Dipartimento di Psicologia dello Sviluppo e della Socializzazione, Università di Padova, Italy;2. Dipartimento di Psicologia Generale, Università di Padova, Italy;1. Sun Yat-sen Center for Migrant Health Policy, Sun Yat-sen University, Guangzhou, China;2. Institute for International Health and Development, Queen Margaret University, Edinburgh, UK;3. Hunan Provincial Women and Children''s Hospital, Changsha, Hunan, China;4. Department of Medical Statistics and Epidemiology, School of Public Health, Sun Yat-sen University, Guangzhou, China;1. Department of Electrical & Control Equipment, Kaunas University of Technology, Studentu 50, LT-51368 Kaunas, Lithuania;2. Intelligent Systems Laboratory, Halmstad University, Box 823, S 301 18 Halmstad, Sweden;3. IBM Haifa Research Laboratory, Haifa University Campus, Mount Carmel, 31905 Haifa, Israel;1. Department of Medicine, Division of Nephrology, Hypertension, and Renal Transplantation, University of Florida, Gainesville, FL 32610, USA;2. Department of Physiology and Functional Genomics, University of Florida, Gainesville, FL 32610, USA;3. Department of Biochemistry and Molecular Biology, University of Florida, Gainesville, FL 32610, USA;1. Research Institute of Child Development and Education, University of Amsterdam, 1001 NG Amsterdam, The Netherlands;2. Department of Educational Psychology, University of Alberta, Edmonton, Alberta T6G 2G5, Canada |
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| Abstract: | The purpose of this study is to evaluate whether children with Specific Language Impairment (SLI) have a deficit in processing a sequence of two visual stimuli (S1 and S2) presented at different inter-stimulus intervals and in different spatial locations. In particular, the core of this study is to investigate whether S1 identification is disrupted due to a retroactive interference of S2.To this aim, two experiments were planned in which children with SLI and children with typical development (TD), matched by age and non-verbal IQ, were compared (Experiment 1: SLI n = 19; TD n = 19; Experiment 2: SLI n = 16; TD n = 16).Results show group differences in the ability to identify a single stimulus surrounded by flankers (Baseline level). Moreover, children with SLI show a stronger negative interference of S2, both for temporal and spatial modulation.These results are discussed in the light of an attentional processing limitation in children with SLI. |
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| Keywords: | Specific Language Impairment Selective attention Information processing Visual ability |
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