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Disentangling Sensory Precision and Prior Expectation of Change in Autism during Tactile Discrimination
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Laurie-Anne Sapey-Triomphe; Gaëtan Sanchez; Marie-Anne Hénaff; Sandrine Sonié; Christina Schmitz; Jérémie Mattout – npj Science of Learning, 2023
Predictive coding theories suggest that core symptoms in autism spectrum disorders (ASD) may stem from atypical mechanisms of perceptual inference (i.e., inferring the hidden causes of sensations). Specifically, there would be an imbalance in the precision or weight ascribed to sensory inputs relative to prior expectations. Using three tactile…
Descriptors: Autism Spectrum Disorders, Tactual Perception, Sensory Integration, Comparative Analysis
Exploratory Procedures of Tactile Images in Visually Impaired and Blindfolded Sighted Children: How They Relate to Their Consequent Performance in Drawing
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Vinter, Annie; Fernandes, Viviane; Orlandi, Oriana; Morgan, Pascal – Research in Developmental Disabilities: A Multidisciplinary Journal, 2012
The aim of the present study was to compare the types of exploratory procedures employed by children when exploring bidimensional tactile patterns and correlate the use of these procedures with the children's shape drawing performance. 18 early blind children, 20 children with low vision and 24 age-matched blindfolded sighted children aged…
Descriptors: Blindness, Visual Impairments, Comparative Analysis, Tactual Perception
Young Children's Haptic Exploratory Procedures
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Kalagher, Hilary; Jones, Susan S. – Journal of Experimental Child Psychology, 2011
Adults vary their haptic exploratory behavior reliably with variation both in the sensory input and in the task goals. Little is known about the development of these connections between perceptual goals and exploratory behaviors. A total of 36 children ages 3, 4, and 5 years and 20 adults completed a haptic intramodal match-to-sample task.…
Descriptors: Toddlers, Child Development, Young Children, Adults
Congenital Blindness Leads to Enhanced Vibrotactile Perception
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Wan, Catherine Y.; Wood, Amanda G.; Reutens, David C.; Wilson, Sarah J. – Neuropsychologia, 2010
Previous studies have shown that in comparison with the sighted, blind individuals display superior non-visual perceptual abilities and differ in brain organisation. In this study, we investigated the performance of blind and sighted participants on a vibrotactile discrimination task. Thirty-three blind participants were classified into one of…
Descriptors: Blindness, Braille, Congenital Impairments, Perceptual Development
Discriminating Children with Autism from Children with Learning Difficulties with an Adaptation of the Short Sensory Profile
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O'Brien, Justin; Tsermentseli, Stella; Cummins, Omar; Happe, Francesca; Heaton, Pamela; Spencer, Janine – Early Child Development and Care, 2009
In this article, we examine the extent to which children with autism and children with learning difficulties can be discriminated from their responses to different patterns of sensory stimuli. Using an adapted version of the Short Sensory Profile (SSP), sensory processing was compared in 34 children with autism to 33 children with typical…
Descriptors: Learning Problems, Autism, Learning Disabilities, Discriminant Analysis
Reflex Augmentation of a Tap-Elicited Eyeblink: The Effects of Tone Frequency and Tap Intensity.
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Cohen, Michelle E.; And Others – Journal of Experimental Child Psychology, 1986
Describes two experiments that examined whether the amplitude of the human eyeblink by a mild tap between the eyebrows can be increased if a brief tone is presented simultaneously with the tap and how these effects change from newborn infants to adults. (HOD)
Descriptors: Adults, Age Differences, Auditory Stimuli, Behavior Modification
A LONGITUDINAL ASSESSMENT OF PRESCHOOL CHILDREN IN HAPTIC LEARNING. FINAL REPORT.
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COYLE, SISTER JOHN VIANNEY; CONCANNON, SISTER JOSEPHINA – 1968
RECENTLY MUCH ATTENTION HAS BEEN FOCUSED ON THE SUBJECT OF CONCEPT FORMATION IN CHILDREN. THE DEVELOPMENT OF SPATIAL PERCEPTION IS AN IMPORTANT ASPECT OF THIS, AND ONE IMPORTANT PART OF SPATIAL PERCEPTION IS HAPTIC PERCEPTION--THE RECOGNITION OF OBJECTS BY TOUCH. THIS STUDY IS A LONGITUDINAL INVESTIGATION OF THE RETENTION OF HAPTIC ABILITIES…
Descriptors: Cognitive Processes, Comparative Analysis, Control Groups, Experimental Groups