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Related Concept Videos

Intellectual Disability01:29

Intellectual Disability

Intellectual disability (ID) is a neurodevelopmental condition characterized by deficits in intellectual and adaptive functioning that manifest during the developmental period. This condition encompasses challenges in reasoning, memory, problem-solving, and learning, accompanied by impairments in everyday life skills, such as communication, self-care, and social interactions. Intellectual disability affects approximately 1% of the population in the United States, impacting an estimated 5...
Learning Disabilities01:25

Learning Disabilities

Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
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Related Experiment Video

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Portable Intermodal Preferential Looking (IPL): Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
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Short-term memory coding in children with intellectual disabilities.

Lucy Henry1

  • 1Department of Psychology, London South Bank University, London, United Kingdom. henrylc@lsbu.ac.uk

American Journal of Mental Retardation : AJMR
|April 15, 2008
PubMed
Summary
This summary is machine-generated.

Children with intellectual disabilities may develop advanced memory coding strategies, similar to their peers, with increasing mental age (MA). This suggests memory development is linked to MA, not intellectual disability status.

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Area of Science:

  • Cognitive Psychology
  • Developmental Psychology
  • Neuroscience

Background:

  • Memory coding strategies are crucial for cognitive development.
  • Understanding how intellectual disabilities impact memory development is essential.

Purpose of the Study:

  • To investigate visual and verbal memory coding strategies in children with intellectual disabilities.
  • To compare these strategies with typically developing peers matched for chronological age (CA) and mental age (MA).

Main Methods:

  • Children performed picture memory span tasks using items with varying phonological and visual similarities, and word lengths.
  • Performance was analyzed based on intellectual disability status, CA, and MA.

Main Results:

  • Typically developing children (CA group) demonstrated advanced verbal coding (phonological similarity, word length effects).
  • Children with intellectual disabilities and those matched for MA did not initially show these strategies.
  • However, children with intellectual disabilities and MA-matched peers above 6 years MA exhibited visual similarity and word length effects, indicating intermediate dual coding.

Conclusions:

  • Memory coding strategy development appears independent of intellectual disability status.
  • Progression in memory strategies is primarily associated with mental age (MA).
  • An intermediate stage of dual visual and verbal coding emerges with increasing MA, even in the presence of intellectual disabilities.