Summary: Regular leisure reading can help preserve episodic and working memory in older adults, supporting cognitive health as people age.
Source: Beckman Institute
Reading remains one of the most popular and accessible hobbies, and new research shows it also benefits cognitive health. A study from the Beckman Institute for Advanced Science and Technology finds that sustained, engaged reading improves memory functions that often decline with age.
Researchers from the Beckman Institute report their findings in Frontiers in Psychology. The interdisciplinary team examined whether regular leisure reading causes measurable improvements in memory among older adults, or whether people with better memory are simply more likely to be avid readers.
“Leisure reading, the kind that really draws you in, is good for you,” said Beckman researcher Liz Stine-Morrow, director of the Adult Learning Lab and the study’s senior investigator. “It helps strengthen the mental abilities on which reading depends.”
The study focused on two cognitive skills closely tied to language processing and everyday understanding of text: episodic memory and working memory. Episodic memory is our ability to remember events and the sequence of occurrences—critical for following a book’s plot across chapters. Working memory is the short-term capacity that keeps recent information accessible while we process new input, such as tracking details from earlier paragraphs while continuing to read.
Both episodic and working memory commonly decline with age, yet habitual readers continually exercise these abilities. Prior literature links working memory to language comprehension and long-term memory, but causal direction was unclear—did reading improve memory, or did strong memory improve reading comprehension?
To answer this, Stine-Morrow and collaborators—including Dr. Daniel Llano and Aron Barbey—designed a randomized controlled trial to test the causal effect of sustained reading on cognition in older adults.
The team curated a diverse list of engaging books with help from local library experts, aiming to include titles that would immerse readers and span genres from non-fiction to mystery and literary fiction. “We didn’t rely solely on popularity,” said Kristina Hoerner, the Champaign Public Library’s adult services manager at the time. The goal was to offer both familiar and lesser-known titles so participants might encounter books they would not have chosen on their own.
Participants aged 60–79 received iPads preloaded with the selected books and a custom app to track reading progress and collect brief questionnaires. Over eight weeks, the reading group committed to 90 minutes of reading per day, five days per week. An active control group completed word puzzles on iPads for the same schedule, using the same app to ensure comparable engagement and monitoring.
Before and after the eight-week program, all participants visited the Adult Learning Lab at the Beckman Institute for assessments of working memory, episodic memory, sentence processing, and other verbal and reading skills. The study controlled as many variables as possible between activities, isolating the immersive element of story engagement as the key difference.
The results were clear and statistically meaningful: compared with the puzzle group, the reading group showed significant improvements in both verbal working memory and episodic memory after eight weeks. The study also found evidence that sustained reading enhanced conceptual integration during sentence processing—how readers combine ideas across sentences to form coherent understanding.
Importantly, these cognitive gains did not depend on personality traits such as openness; benefits appeared regardless of dispositional fit. The evidence supports the idea that exercising cognitive skills in everyday activities—like immersive reading—can help offset age-related decline in the specific areas engaged by those activities.
The demonstrated causal link between sustained reading and improved memory opens avenues for noninvasive, low-cost interventions to support cognitive health in aging populations. “There’s more promise in engaging fully in the stimulating things we already do in our lives,” Stine-Morrow said. “That’s probably the best pathway to maintaining mental ability and offsetting the effects of Alzheimer’s disease.”
Future research could investigate longer-term benefits, optimal program length and intensity, and how personalizing reading selections to individual tastes might enhance adherence and outcomes. For now, the practical takeaway is simple and evidence-based: regular, engaged reading is an effective way to help keep memory skills sharp as we age.
About this reading, aging, and memory research news
Author: Press Office
Source: Beckman Institute
Contact: Press Office – Beckman Institute
Image: The image is in the public domain
Original Research: Open access.
“The Effects of Sustained Literacy Engagement on Cognition and Sentence Processing Among Older Adults” by Elizabeth A. L. Stine-Morrow et al. Frontiers in Psychology
Abstract
The Effects of Sustained Literacy Engagement on Cognition and Sentence Processing Among Older Adults
Extensive evidence indicates that language processing relies on memory processes vulnerable to age-related decline. However, the impact of sustained language engagement through leisure reading on memory and related cognitive functions is not well understood.
In this randomized study, adults aged 60–79 were assigned to an eight-week leisure reading program (n = 38) or an active puzzle control (n = 38). Relative to the control group, the reading group showed significant improvements in verbal working memory and episodic memory, along with enhanced conceptual integration during sentence processing.
These improvements did not vary according to personality traits such as openness. The findings suggest that exercising cognitive capacities through everyday activities like sustained reading can reduce age-related impairment in the specific cognitive domains engaged by those activities, regardless of dispositional factors.