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Wilkinson, Krista M.; Zimmerman, Tara O'Neill; Light, Janice – Journal of Speech, Language, and Hearing Research, 2021
Purpose: Many aided augmentative and alternative communication (AAC) systems require the use of an external display that is represented via a visual modality. It is critical to evaluate and understand visual-perceptual processing in individuals with disabilities who could benefit from AAC. One way to evaluate how individuals process visual…
Descriptors: Augmentative and Alternative Communication, Intellectual Disability, Developmental Disabilities, Visual Stimuli
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Holt, Anna E.; Deák, Gedeon – Journal of Cognition and Development, 2015
In simple rule-switching tests, 3- and 4-year-olds can follow each of two sorting rules but sometimes make perseverative errors when switching. Older children make few errors but respond slowly when switching. These age-related changes might reflect the maturation of executive functions (e.g., inhibition). However, they might also reflect…
Descriptors: Cues, Task Analysis, Executive Function, Control Groups
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Salley, Brenda; Panneton, Robin K.; Colombo, John – Infancy, 2013
The aim of this study was to examine the combined influences of infants' attention and use of social cues in the prediction of their language outcomes. This longitudinal study measured infants' visual attention on a distractibility task (11 months), joint attention (14 months), and language outcomes (word-object association, 14 months; MBCDI…
Descriptors: Attention, Predictor Variables, Infants, Cues