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Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
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JoVE Journal Behavior
Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

DOI:
10.3791/59753-v

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06:48 min

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June 25, 2019

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, , ,
1Helsinki Collegium for Advanced Studies,University of Helsinki, 2University of California, Riverside, 3California State University, East Bay, 4Hunter College,City University of New York, 5Feinberg School of Medicine,Northwestern University, 6Shirley Ryan AbilityLab

Chapters

  • 00:04Title
  • 00:45Experimental Design and Procedure
  • 02:21Analysis with a Mixed-effects Model in R
  • 05:38Results: Lexical Variables Impact Word Recognition in Neurologically Healthy Younger and Older Adults, People with Alzheimer s Disease, or Mild Cognitive Impairment
  • 06:28Conclusion

Summary

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Automatic Translation

This article describes how to implement a simple lexical decision experiment to assess written word recognition in neurologically healthy participants and in individuals with dementia and cognitive decline. We also provide a detailed description of reaction time analysis using principal components analysis (PCA) and mixed-effects modeling.

Tags

Keywords: Lexical Decision TaskWord RecognitionDementiaMild Cognitive ImpairmentMental LexiconAgingNeurodegenerative DisordersLanguage TasksCognitionReaction TimeData AnalysisR ProgrammingLme4LmerTest

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