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Related Experiment Video

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Coreferential processing in elderly with and without Alzheimer's disease.

Giorvan Ânderson Dos Santos Alves1, Julyane Feitoza Coêlho2, Márcio Martins Leitão3

  • 1Departamento de Fonoaudiologia, Universidade Federal da Paraíba - UFPB - João Pessoa (PB), Brasil.

Codas
|July 7, 2021
PubMed
Summary
This summary is machine-generated.

Elderly individuals without Alzheimer's disease (AD) process pronouns and hypernyms faster than names and hyponyms. Those with AD process names more quickly than pronouns, showing no difference between hyponyms and hypernyms, possibly due to impaired working memory.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Linguistics

Background:

  • Coreferential processing is crucial for language comprehension.
  • Alzheimer's disease (AD) significantly impacts cognitive functions, including language.
  • Understanding coreference deficits in AD is vital for early diagnosis and intervention.

Purpose of the Study:

  • To compare coreferential processing in elderly individuals with and without Alzheimer's disease (AD) using Brazilian Portuguese.
  • To investigate how AD affects the processing of different anaphoric devices (pronouns, names, hyponyms, hypernyms).

Main Methods:

  • A comparative study involving elderly individuals with (EWA) and without (EA) Alzheimer's disease.
  • Self-monitored reading technique to measure reading times during coreference resolution.
  • Two experiments utilizing phrases with repeated pronouns/names and hyponyms/hypernyms, followed by comprehension questions.

Main Results:

  • Elderly individuals without AD processed pronouns faster than repeated names and preferred hypernyms over hyponyms.
  • Elderly individuals with AD processed repeated names faster than pronouns.
  • No significant difference in anaphoric processing of hyponyms and hypernyms was observed in the AD group.

Conclusions:

  • Coreferential processing differs significantly between elderly individuals with and without AD.
  • Individuals without AD utilize syntactic and semantic cues for efficient anaphoric resolution.
  • Impaired working memory in AD may underlie difficulties in processing certain anaphoric structures, such as hyponyms and hypernyms.