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Memory scanning speed in language-disordered children.

Y S Sininger1, R L Klatzky, D M Kirchner

  • 1University of California, Santa Barbara, San Francisco.

Journal of Speech and Hearing Research
|June 1, 1989
PubMed
Summary
This summary is machine-generated.

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Children with developmental language disorders exhibit significantly slower short-term memory scanning speed compared to their peers. This reduced processing speed may contribute to their language deficits.

Area of Science:

  • Cognitive Psychology
  • Developmental Neuroscience
  • Speech-Language Pathology

Background:

  • Children with developmental language disorders (DLD) often face challenges in cognitive processing.
  • Short-term memory scanning speed is a critical component of cognitive function impacting language acquisition.

Purpose of the Study:

  • To investigate short-term memory scanning speed in children with DLD.
  • To compare the memory scanning performance of children with DLD to age-matched controls.

Main Methods:

  • Sternberg task utilized to assess memory scanning speed.
  • Participants included 12 children with DLD and 12 typically developing controls.
  • Reaction time for verbal 'yes'/'no' responses was measured.

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Main Results:

  • Language-disordered children showed significantly slower average per-item scanning speed (253 ms) than controls (66 ms).
  • No significant differences were observed in encoding speed, response speed, error rates, or positional effects.
  • Performance similarities suggest specific deficits in processing speed rather than global cognitive impairment.

Conclusions:

  • Children with DLD demonstrate impaired short-term memory retrieval or processing speed.
  • This cognitive difference may underlie linguistic deficits observed in DLD.
  • Further research is warranted to explore the relationship between processing speed and language development.