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The effect of aging on script memory for typical and atypical actions
Eli Vakil1, Chaya Mosak, Mira Ashkenazi
1Psychology Department, Bar-Ilan University, Ramat-Gan, Israel. vakile@mail.biu.ac.il
Applied Neuropsychology
|December 24, 2003
Summary
Older adults show a typicality effect in memory, but this depends on how recognition is measured. A conservative response bias in older adults influences these memory findings.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Human Aging Research
Background:
- The typicality effect describes enhanced recognition of atypical information.
- Understanding age-related differences in the typicality effect is crucial for cognitive aging research.
Purpose of the Study:
- To investigate if the typicality effect is influenced by age.
- To explore the role of response bias in age-related memory differences.
Main Methods:
- 41 younger and 36 older adults listened to scripts with typical and atypical activities.
- Recognition was assessed using scores with and without confidence ratings.
- Weighted scores were more sensitive to group differences than unweighted scores.
Main Results:
- Older adults demonstrated the typicality effect when using false alarm corrected scores, but not with raw hit rates.
- Analysis of weighted scores revealed group differences more effectively than unweighted scores.
- A conservative response bias was identified in the older adult group.
Conclusions:
- Age influences the typicality effect, particularly when accounting for response bias.
- Findings suggest that assessment of age-related memory impairment should consider response biases.
- The study offers insights for memory remediation strategies in older adults.