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Aasen, Gro; Naerland, Terje – Journal of Intellectual Disabilities, 2014
This study investigates responses to verbal versus tactile requests in children with congenital blindness, intellectual disability and autism spectrum disorder (ASD). Observation was conducted on two occasions. At T1, requests were given verbally, and at T2, tactile requests were given. All pupils perceived tactile symbols to be explicit requests…
Descriptors: Blindness, Intellectual Disability, Autism, Pervasive Developmental Disorders
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Brambring, Michael; Asbrock, Doreen – Journal of Autism and Developmental Disorders, 2010
Previous studies have reported that congenitally blind children without any additional impairment reveal a developmental delay of at least 4 years in perspective taking based on testing first-order false-belief tasks. These authors interpret this delay as a sign of autism-like behavior. However, the delay may be caused by testing blind children…
Descriptors: Blindness, Autism, Testing, Perspective Taking
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Lund, Shelley K.; Troha, Jeanette M. – Journal of Autism and Developmental Disorders, 2008
This study used a single-subject multiple baseline across participants design to evaluate the effectiveness of a modified picture exchange communication system (PECS) teaching protocol with tactile symbols. Three students (two male, one female) aged 12-17 years who had autism and were blind participated in the study. The instructional program…
Descriptors: Interpersonal Communication, Autism, Youth, Blindness
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Hermelin, B.; O'Connor, N. – Perceptual and Motor Skills, 1971
Descriptors: Autism, Blindness, Cognitive Processes, Comparative Analysis