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Binding of Multiple Features in Memory by High-Functioning Adults with Autism Spectrum Disorder
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Bowler, Dermot M.; Gaigg, Sebastian B.; Gardiner, John M. – Journal of Autism and Developmental Disorders, 2014
Diminished episodic memory and diminished use of semantic information to aid recall by individuals with autism spectrum disorder (ASD) are both thought to result from diminished relational binding of elements of complex stimuli. To test this hypothesis, we asked high-functioning adults with ASD and typical comparison participants to study grids in…
Descriptors: Adults, Autism, Pervasive Developmental Disorders, Memory
Stimulus Overselectivity in Typical Development: Implications for Teaching Children with Autism
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Reed, Sarah R.; Stahmer, Aubyn C.; Suhrheinrich, Jessica; Schreibman, Laura – Grantee Submission, 2013
Stimulus overselectivity is widely accepted as a stimulus control abnormality in autism spectrum disorders and subsets of other populations. Previous research has demonstrated a link between both chronological and mental age and overselectivity in typical development. However, the age at which children are developmentally ready to respond to…
Descriptors: Autism, Children, Stimuli, Pervasive Developmental Disorders
Neural Correlates of Symbolic Number Comparison in Developmental Dyscalculia
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Mussolin, Christophe; De Volder, Anne; Grandin, Cecile; Schlogel, Xavier; Nassogne, Marie-Cecile; Noel, Marie-Pascale – Journal of Cognitive Neuroscience, 2010
Developmental dyscalculia (DD) is a deficit in number processing and arithmetic that affects 3-6% of schoolchildren. The goal of the present study was to analyze cerebral bases of DD related to symbolic number processing. Children with DD aged 9-11 years and matched children with no learning disability history were investigated using fMRI. The two…
Descriptors: Stimuli, Learning Disabilities, Short Term Memory, Brain
Test-Retest Reliability of Standard and Emotional Stroop Tasks: An Investigation of Color-Word and Picture-Word Versions
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Strauss, Gregory P.; Allen, Daniel N.; Jorgensen, Melinda L.; Cramer, Stacey L. – Assessment, 2005
Previous studies have examined the reliability of scores derived from various Stroop tasks. However, few studies have compared reliability of more recently developed Stroop variants such as emotional Stroop tasks to standard versions of the Stroop. The current study developed four different single-stimulus Stroop tasks and compared test-retest…
Descriptors: Undergraduate Students, Test Reliability, Visual Perception, Comparative Analysis
Comparison and Contrast in Perceptual Categorization
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Hampton, James A.; Estes, Zachary; Simmons, Claire L. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2005
People categorized pairs of perceptual stimuli that varied in both category membership and pairwise similarity. Experiments 1 and 2 showed categorization of 1 color of a pair to be reliably contrasted from that of the other. This similarity-based contrast effect occurred only when the context stimulus was relevant for the categorization of the…
Descriptors: Stimuli, Visual Perception, Classification, Color
Comparison of Two Approaches for Identifying Reinforcers in Teaching Figure Coloring to Students with Down Syndrome
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Erbas, Dilek; Ozen, Arzu; Acar, Cimen – Education and Training in Developmental Disabilities, 2004
The purpose of the present study was to extend previous research on reinforcer assessment by comparing effectiveness of stimuli identified by two preference procedures on teaching figure coloring to three children with disabilities in Turkey; and to find out what special education teachers think about social validation of the two preference…
Descriptors: Foreign Countries, Down Syndrome, Stimuli, Special Education