Neural Correlates of Visual Attention and Short-Term Memory in Children with Reading Difficulty

Visual attention and memory of 20 children with reading difficulty (M age  = 134 months), 24 chronological (M age  = 138 months) and 19 reading-age controls (M age  = 92 months) were examined using object substitution masking; mask offset delay increases visual attention and visual short-term memory...

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Bibliographic Details
Published in:Developmental neuropsychology 2023-03, Vol.48 (2), p.65-80
Main Authors: Koffman, Alexis F., Flaten, Erica, Desroches, Amy S., Kruk, Richard S.
Format: Article
Language:English
Subjects:
Attention
Child
Electroencephalography
Event-related potentials
Evoked Potentials - physiology
Humans
Memory, Short-Term - physiology
Photic Stimulation
Reaction Time - physiology
Reading
Short term memory
Space Perception - physiology
Visual perception
Visual Perception - physiology
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Summary:Visual attention and memory of 20 children with reading difficulty (M age  = 134 months), 24 chronological (M age  = 138 months) and 19 reading-age controls (M age  = 92 months) were examined using object substitution masking; mask offset delay increases visual attention and visual short-term memory demands. ERP amplitude differences in the N1 (alerting), N2pc (N2-posterior-contralateral; selective attention), and SPCN (sustained posterior contralateral negativity; memory load) were expected between groups. Chronological controls performed best, but ERP results were mixed. No group differences were found for N1 or N2pc. SPCN showed enhanced negativity in reading difficulty, indicating greater memory load and anomalous inhibition.
ISSN:8756-5641
1532-6942
DOI:10.1080/87565641.2023.2177856