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Related Concept Videos

Language and Cognition01:27

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Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
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Autism spectrum disorder (ASD) is a neurodevelopmental condition marked by persistent deficits in social communication and interaction alongside restrictive and repetitive behaviors or interests. ASD is sometimes accompanied by intellectual impairment.
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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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Language Development01:22

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Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
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Explicit memories, also known as declarative memories, are consciously remembered, recalled, and reported. Studying for a chemistry exam involves material that will become part of explicit memory. There are two types of explicit memory: episodic and semantic.
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Using the Visual World Paradigm to Study Sentence Comprehension in Mandarin-Speaking Children with Autism
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Declarative Memory and Structural Language Impairment in Autistic Children and Adolescents.

Sophie Anns1, Sebastian B Gaigg2, James A Hampton3

  • 1School of Psychology, University of Sussex, Falmer, UK.

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Summary

Declarative memory impairments are linked to language and learning disabilities in Autism Spectrum Disorder (ASD). Autistic individuals may use visual-perceptual skills to compensate for memory deficits, offering educational insights.

Keywords:
autism spectrum disorderfamiliaritylanguage impairmentmemoryrecollection

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Area of Science:

  • Neuroscience
  • Developmental Psychology
  • Linguistics

Background:

  • Language impairment and learning disability affect a significant portion of the autistic population.
  • The underlying factors contributing to these disabilities in Autism Spectrum Disorder (ASD) are under-researched.
  • Existing research lacks explanations for lexical-semantic abnormalities observed in ASD.

Purpose of the Study:

  • To test the hypothesis that impaired declarative memory contributes to structural language impairment in ASD.
  • To investigate the roles of familiarity (semantic memory) and recollection (episodic memory) in autistic individuals with and without language impairments.
  • To explore the relationship between declarative memory processes and lexical-semantic knowledge in ASD and learning disability (LD).

Main Methods:

  • Two experiments were conducted comparing groups of teenagers with ASD and language impairment/learning disability (ASD LI/LD ), children with ASD and typical language (ASD TL ), teenagers with learning disability (LD) without autism, and typically developing (TD) children.
  • Participants' declarative memory processes (familiarity and recollection) and lexical-semantic knowledge were assessed.
  • Statistical analyses were used to examine the links between memory functions and language abilities across groups.

Main Results:

  • Both experiments supported the hypothesis linking declarative memory processes to lexical-semantic abilities in the ASD LI/LD and ASD TL groups.
  • These links were not observed in the typically developing (TD) group.
  • Declarative memory and lexical-semantic knowledge were also linked in the LD group.
  • ASD groups, and to a lesser extent the LD group, showed evidence of compensating for declarative memory impairments using visual-perceptual abilities.

Conclusions:

  • Difficulties with declarative memory, specifically familiarity and recollection, may contribute to structural language impairment in ASD.
  • These memory deficits could also explain broader learning disabilities observed in ASD and LD populations.
  • Compensatory use of visual-perceptual abilities in ASD and LD has potential educational implications for supporting learning.