Age-related differences in the relationship between sustained attention and associative memory and Memory-Guided
Tammy T Tran1,2, Kevin P Madore3, Kaitlyn E Tobin4
1Department of Psychology, Stanford University, Stanford, CA, USA. tammytt@stanford.edu.
Older adults show reduced associative memory and inference compared to young adults. These age-related memory declines are independent of sustained attention, suggesting other mechanisms are at play.
Area of Science:
- Cognitive Neuroscience
- Psychology
- Gerontology
Background:
- Episodic memory is crucial for encoding, retrieving, and inferring novel associations.
- Individual and age-related differences in memory are significant areas of research.
- Sustained attention is hypothesized to influence episodic memory performance.
Purpose of the Study:
- To investigate age-related differences in associative memory and memory-guided associative inference.
- To determine the role of sustained attention in these age-related memory differences.
- To examine the relationship between individual differences in sustained attention and memory performance across age groups.
Main Methods:
- Comparative study contrasting young and older adults' memory performance.
- Utilized associative memory and associative inference tasks.
- Employed the gradual-onset continuous performance task (gradCPT) to assess sustained attention.
Main Results:
- Older adults exhibited significantly lower associative memory and associative inference performance than young adults.
- Age-related reductions in associative inference persisted even after controlling for associative memory.
- Sustained attention differences did not account for the observed age-related memory deficits.
- Individual differences in sustained attention predicted memory performance in young adults but not in older adults.
Conclusions:
- Age-related memory decline in associative memory and inference is not driven by differences in sustained attention.
- Attention-independent mechanisms likely underlie memory differences observed in older adults.
- Sustained attention significantly contributes to memory-guided inference in young adults.
More Related Videos
10:38A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
Published on: July 16, 2015
07:01Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
Published on: September 20, 2020
Related Concept Videos
Higher Mental Functions of Brain: Learning and Memory
Understanding Memory
Working Memory
Interference and Decay
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
Information Processing Approach
Impact of Schemas
