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Correction to Schlaghecken, Birak, and Maylor (2011)
Friederike Schlaghecken1, Kulbir S Birak, Elizabeth A Maylor
1University of Warwick.
Psychology and Aging
|June 13, 2012
Summary
Older adults show deficits in low-level inhibitory motor control, with delayed negative compatibility effects (NCEs) observed. A reanalysis confirmed NCEs in most older adults, but significantly delayed, indicating impaired inhibitory processes.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Gerontology
Context:
- Investigating age-related changes in inhibitory motor control using the masked prime paradigm.
- Examining the impact of prime-target stimulus onset asynchrony (SOA) on response compatibility effects.
Purpose:
- To re-evaluate age-related deficits in low-level inhibitory motor control by addressing potential spurious effects in time course analysis.
- To identify and analyze negative compatibility effects (NCEs) in older adults, considering individual variations in prime-target SOA.
Summary:
- Young adults exhibit positive compatibility effects (PCEs) and negative compatibility effects (NCEs) with varying prime-target SOAs.
- Older adults showed intact PCEs but typically failed to produce normal NCEs, suggesting impaired inhibitory control.
- A fine-grained, individual time course analysis revealed delayed NCEs in most older adults, indicating disproportionate impairment in low-level inhibitory motor control.
Impact:
- Highlights the need for careful methodological considerations in analyzing time course data, especially in aging research.
- Suggests that age-related inhibitory deficits are more specific to low-level motor control than previously assumed.
- Provides a refined understanding of how inhibitory processes decline with age, with implications for cognitive aging research and interventions.
