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Direct linkBlock, Elisa; Farran, Emily K.; Van Herwegen, Jo – American Journal on Intellectual and Developmental Disabilities, 2022
The block design task (BDT) is a visuospatial measure that individuals with Williams syndrome (WS) perform poorly on. However, it is unclear what underlies their impaired performance. This study investigated whether poorer performance is a result of visuospatial difficulties, executive function (EF) difficulties, atypical looking strategies, or a…
Descriptors: Task Analysis, Visual Perception, Spatial Ability, Executive Function
Joyce, Anna; Hill, Catherine M.; Karmiloff-Smith, Annette; Dimitriou, Dagmara – American Journal on Intellectual and Developmental Disabilities, 2019
Sleep plays a key role in the consolidation of newly acquired information and skills into long term memory. Children with Down syndrome (DS) and Williams syndrome (WS) frequently experience sleep problems, abnormal sleep architecture, and difficulties with learning; thus, we predicted that children from these clinical populations would demonstrate…
Descriptors: Sleep, Cognitive Processes, Down Syndrome, Genetic Disorders
