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Published on: June 3, 2013
Age differences in contingency judgement linked to perceptual segregation.
Samuel D Hannah1, Lorraine G Allan, Meredith E Young
1Department of Psychology, Neuroscience & Behaviour, McMaster University, Hamilton, ON, Canada. hannah.sam@gmail.com
Older adults show significant differences in judging contingencies compared to younger adults. These age-related deficits in causal judgments are linked to perceptual segregation challenges.
Area of Science:
- Cognitive Psychology
- Developmental Psychology
- Neuroscience
Background:
- Cue competition influences contingency and causality judgments.
- Age-related cognitive changes can impact decision-making processes.
Purpose of the Study:
- To investigate age differences in judging positive and null contingencies.
- To explore the role of perceptual segregation in age-related judgment differences.
Main Methods:
- Utilized a one-phase blocking task with two cues and a single outcome.
- Assessed contingency and causality judgments in younger and older adults.
- Manipulated stimulus display to include markers for perceptual segregation.
Main Results:
- Significant age differences were observed in contingency judgments.
- These age differences persisted even with advance knowledge of contingencies.
- Age differences diminished when perceptual segregation was aided by stimulus markers.
Conclusions:
- Age-related deficits in judging contingencies are linked to impaired perceptual segregation.
- Perceptual factors play a crucial role in age differences in causal reasoning.
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