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Related Experiment Video

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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
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Perception and Reality of Cognitive Function: Information Processing Speed, Perceived Memory Function, and Perceived

Anna Torrens-Burton1, Nasreen Basoudan1, Antony J Bayer2

  • 1Department of Psychology, Swansea University, Singleton Park, Swansea, Wales, UK.

Journal of Alzheimer'S Disease : JAD
|October 7, 2017
PubMed
Summary
This summary is machine-generated.

Information processing speed in healthy older adults did not correlate with perceived memory function. However, task difficulty perception varied with subjective memory issues, highlighting metacognition

Keywords:
Aginginformation processing speedmetacognitionreaction timesubjective cognitive impairment

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Gerontology

Background:

  • Information processing speed is a key cognitive domain in neurocognitive disorders.
  • Executive functions, including processing speed, are crucial in older adults.
  • Metacognition influences task performance and perception in aging populations.

Purpose of the Study:

  • To investigate the relationship between information processing speed, perceived task difficulty, and perceived memory function in healthy older adults.
  • To explore how metacognitive factors modulate the assessment of cognitive function in aging.
  • To determine if objective processing speed correlates with subjective memory complaints in a healthy cohort.

Main Methods:

  • Participants: Healthy older adults (50+) with normal cognition (Montreal Cognitive Assessment score ≥26) and mood.
  • Measures: Trail Making Test, computer-based visual search test (processing speed), Memory Functioning Questionnaire (perceived memory), perceived task difficulty.
  • Analysis: Correlational analyses examining relationships between objective speed, subjective memory, and perceived difficulty.

Main Results:

  • No significant correlation was found between mean information processing speed and perceived memory function across participants.
  • Subjective memory dysfunction correlated with higher perceived difficulty on the Trail Making Test, but not the visual search task.
  • The relationship between objective processing speed and perceived difficulty differed between the two tasks.

Conclusions:

  • Objective information processing speed in healthy older adults is not directly linked to their perceived memory function.
  • Metacognitive awareness (perceived difficulty) plays a role in how older adults experience cognitive tasks, especially concerning memory.
  • Task characteristics and metacognition are important considerations when evaluating information processing speed in older adults, particularly within diagnostic frameworks.