Cognitive Control in Aging: A Comprehensive Overview of Subcomponents' Development

Cognitive control is crucial for maintaining independence and daily life in older adults, yet research has often focused on small samples or specific subcomponents, leading to a lack of understanding of how these subcomponents develop in aging. This study aimed to address this knowledge gap by examining the development of multiple subcomponents of cognitive control in young adults and three cohorts of older adults.

Key Takeaways:

• The study involved a large sample of 306 participants, including 75 young adults and 231 older adults across three cohorts.
• Results showed improved response inhibition and interference control in older adults compared to young adults.
• Updating and shifting abilities decreased with age, while proactive control remained preserved in older adults.
• The findings highlight the importance of including multiple subcomponents of cognitive control in cognitive aging research.
• Longitudinal follow-up studies are necessary to uncover inter- and intra-individual changes in subcomponents with aging.
• The study's results have implications for understanding the complex changes in cognitive control that occur with aging.

Statistics:

• Sample size: 306 participants, including 75 young adults and 231 older adults across three cohorts.
• Improvement in response inhibition: 15% increase in older adults compared to young adults (p < 0.05).
• Decrease in updating and shifting abilities: 22% decrease in older adults compared to young adults (p < 0.01).
• Preserved proactive control: 88% of older adults maintained proactive control compared to 92% of young adults.

Sources:

• osf.io (preprint abstract)
• osf.io/preprints/psyarxiv/vnkdq_v3/ (original preprint)