Aging and maintaining intentions over delays: do it or lose it

Area of Science:

• Cognitive Psychology
• Neuroscience
• Human Development

Background:

• Older adults often experience difficulties in executing intentions, particularly when a delay is involved.
• Previous research indicates age-related deficits in prospective memory tasks requiring delayed intention execution.

Purpose of the Study:

• To investigate age-related differences in the ability to maintain and execute intentions after brief delays.
• To examine the impact of delay duration, rehearsal instructions, divided attention, and a post-delay break on older adults' intention performance.

Main Methods:

• Participants were tasked with retrieving and executing intentions after varying delay periods.
• Experimental conditions manipulated delay length (unfilled), rehearsal instructions, attentional demands during retrieval, and the presence of a break after the delay.
• Performance was measured by the successful execution of the intended action.

Main Results:

• Older adults exhibited significant deficits in executing intentions following brief delays, especially with unfilled delays and divided attention.
• Instructions to rehearse during the delay did not fully mitigate age-related deficits.
• A break at the end of the delay period, combined with full attention during retrieval, significantly improved older adults' performance, approaching that of younger adults.

Conclusions:

• Age-related decline in cognitive function compromises the maintenance of information in awareness.
• When faced with delayed intentions, older adults may resort to strategies like plan reformulation and re-retrieval from long-term memory.
• Interventions that support attentional control and provide opportunities for information reprocessing may enhance prospective memory in older adults.