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Partner Can Aid Memory

In the aging process, memory loss often limits the ability to live independently or to perform tasks with limited supervision.

A new study from Iowa State University provides at least a partial solution as researchers discover social partners can help to extend memory.

Experts discovered “collaborative dialogues” help middle-aged couples with memory tasks. In the study, as aging progressed the shared dialogue, while beneficial, was not as effective for couples older than 70.

Lead author Jennifer Margrett collaborated with Celinda Reese-Melancon and Peter Rendell on the study, which has been published online by the Journal of Psychology.

The researchers found that spouses do rely on each other as external memory aids. However, the extent to which this strategy is effective depends on how reliable the partner’s memory is, and that reliability changes with age for most people.

“In my lab we found that overall, collaboration is usually very helpful on a variety of cognitive tasks, but it’s sort of a mixed bag in this recent study, which focuses on memory tasks,” Margrett said.

“When you think about memory, if I ask you to remember something, you’ll get on a roll, think of one thing, and then another thing should come.

“But if you have a partner who’s interrupting you, interjecting, and perhaps leading you down a ‘garden path,’ that can definitely interfere in memory. So you may have done better on the memory path working alone than you did with a partner.

“For our middle-aged couples in this pilot study, they definitely seemed to fill in the [memory] gaps more effectively than our older couples did,” she continued.

“So we found that two heads weren’t necessarily better than one among the older couples.”

Researchers studied 14 married couples from central Iowa — three being younger (average age of 35), five being middle-aged (average age of 52) and the other six being older couples (average age of 73).

All participants were asked to complete a variety of prospective memory tasks by playing the board game “Virtual Week,” which encourages verbal interaction among players about completing real-life tasks.

For each virtual “day” in the game, participants were asked to perform 10 different prospective memory tasks.

These included four tasks that regularly occur (i.e., taking medication with breakfast); four that were different each day (i.e., purchasing gasoline for the car); and two being time-check tasks that were not based on the activities of the board game (i.e., check lung capacity at two specified times).

Spouses were video-recorded to determine whether partners tried to assist each other in completing the task, and the impact that collaboration had on their partner’s memory.

Researchers discovered that partners attempted to collaborate on prospective memory tasks, reporting evidence of tutoring, monitoring, encoding and sociability among the couples — four of the most frequent types of collaborative behaviors.

“We did look at critical statements and demand statements among the couples, and in this sample, they were very low,” Margrett said.

“If people expressed any sort of socio-emotional type of statements, it was more encouraging of a partner. But from our better to worst comparison of the partners, the couples who performed at a higher level were more sociable and encouraging.”

While this study specifically examined married couples, Margrett says the research may be extended to others who collaborate in prospective memory tasks each day.

“This study had to do with couples, but you interact with co-workers, adult children and others throughout middle and late life. If someone is living in a long-term care facility, they’re interacting with caregivers,” she said.

“And so the idea is to extrapolate our findings to other partnerships to see how can we support people within the context of both normal cognitive aging, as well as non-normative cognitive aging — which includes some memory impairment, and potentially dementia.”

The researchers hope to replicate the study using a larger sample, with plans to study the couples outside of the lab as they perform real-world tasks.

Source: Iowa State University

Partner Can Aid Memory

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2018). Partner Can Aid Memory. Psych Central. Retrieved on September 28, 2020, from
Scientifically Reviewed
Last updated: 8 Aug 2018 (Originally: 30 Aug 2011)
Last reviewed: By a member of our scientific advisory board on 8 Aug 2018
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