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Related Concept Videos

Bone Disorders01:29

Bone Disorders

Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
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Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
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Do age-related changes contribute to the flanker effect?

Shulan Hsieh1, Yu-Chi Liang, Yu-Che Tsai

  • 1Department of Psychology and Institute of Allied Health Sciences, National Cheng Kung University, Tainan, Taiwan. psyhsl@mail.ncku.edu.tw

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
|October 8, 2011
PubMed
Summary

Aging does not worsen the flanker effect or perceptual processing interference. Older adults effectively use compensatory strategies, showing similar performance to younger adults in resolving interference.

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Area of Science:

  • Cognitive Neuroscience
  • Human Aging Research
  • Perceptual Psychology

Background:

  • The flanker effect, a measure of selective attention, is influenced by perceptual processing.
  • Age-related cognitive changes may impact the flanker effect, but empirical evidence is mixed.

Purpose of the Study:

  • To investigate age-related changes in the flanker effect.
  • To determine if age influences flanker-induced perceptual processing differences.
  • To explore compensatory strategies in older adults.

Main Methods:

  • Utilized a modified flanker task with PRO and ANTI conditions.
  • Measured behavioral performance and event-related potentials (ERPs), including lateralized readiness potentials (LRPs).
  • Compared participants from two distinct age groups.

Main Results:

  • Both age groups exhibited a typical flanker effect in PRO and ANTI conditions.
  • Flanker-induced perceptual processing contributed similarly to the flanker effect across age groups.
  • No increased flanker interference was observed in older adults; LRPs confirmed similar perceptually based effects.

Conclusions:

  • Aging does not inherently increase flanker interference.
  • Perceptually based flanker interference remains stable across the adult lifespan.
  • Older adults can employ compensatory strategies to match younger adults' performance in resolving flanker interference.