Spatio-visual memory of children with specific language impairment: evidence for generalized processing problems.

Area of Science:

• Cognitive Psychology
• Developmental Psychology
• Neuroscience

Background:

• Children with Specific Language Impairment (SLI) often exhibit difficulties with verbal memory, especially under high processing demands.
• Some individuals with SLI also demonstrate slower response times on specific cognitive tasks.

Purpose of the Study:

• To investigate whether memory limitations in children with SLI extend to non-verbal, spatio-visual domains.
• To compare the performance of children with SLI and age-matched typically developing children on a battery of spatio-visual memory tasks.
• To determine if children with SLI exhibit slower response times on these tasks.

Main Methods:

• A comparative study involving 21 children with SLI and 21 age-matched controls.
• Utilized six spatio-visual tasks administered via computer with touchscreen responses.
• Tasks varied in complexity, from simple recall to a working memory search task.

Main Results:

• Children with SLI were significantly less accurate in recalling patterns but not locations compared to controls.
• Both groups showed lower accuracy in spatial recall than pattern recall.
• Children with SLI demonstrated a reduced ability to associate patterns with locations and had a shorter spatial span.
• No significant differences in performance were found on a spatial search task assessing working memory.

Conclusions:

• Memory deficits in children with SLI are not confined to the verbal domain, suggesting broader implications for the etiology of SLI.
• Intervention strategies for children with SLI should encompass non-verbal processing and information management across different modalities.