Older adults tell the story of their lives differently, and it may not be a sign of decline, new psychology study suggests – PsyPost

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Older adults tell the story of their lives differently, and it may not be a sign of decline, new psychology study suggests…

By Eric W. Dolan October 21, 2026 Reading Time: 8 mins read

A new study published in Psychology and Aging indicates that having to switch between recalling different types of personal memories makes it harder for both young and older adults to follow instructions accurately.

Beyond the mental effort of juggling changing rules, the findings suggest that older adults tend to include more general personal facts and fewer specific details than younger adults, whether they are recalling a one-time event or a recurring routine.

Autobiographical memory is the mental system that allows people to recollect their own life history. It encompasses two main kinds of information: episodic memory and personal semantic memory. Episodic memories are rich recollections of unique events tied to a specific time and place, such as a particular birthday dinner last month. Personal semantic memories are broader facts about one’s life that are not tied to a single episode, such as general self-knowledge. Falling between the two are memories of repeated events, like a weekly habit of cooking with a friend, which summarize many similar occasions while still carrying some sensory and contextual detail.

As people age, the balance between these forms of recall tends to change. A benchmark 2002 study of younger and older adults found that when asked to describe past life events, younger adults mostly shared specific details about what happened, where they were, and how they felt, whereas older adults shared fewer time-and-place details and favored general, factual knowledge.

“A typical example would be that if a young adult is telling you about their last birthday party, they are more likely to include specific contextual and perceptual details (such as the specific time and place, what clothes people wore at that party, or specific details about what they said),” senior author Louis Renoult, a professor of cognitive neuroscience and the postgraduate research director in the School of Psychology at the University of East Anglia, told PsyPost. “In contrast, when remembering the same event, older adults would typically provide more factual background knowledge about similar birthday parties or other celebrations they would have attended, or more general knowledge they have about the people involved, for example.”

This pattern raised questions about whether the shift toward general memories comes from changes in how memories are stored or from age-related declines in executive control, which is the set of mental skills used to manage goals, stay focused, and filter out irrelevant thoughts. A 2013 study explored this by changing how instructions were given while participants listened to musical clips, finding that younger adults adjusted how specific their memories were to match the rules, while older adults did not adjust their recall as much when task demands grew more complex.

To test how mental flexibility affects memory recall, another 2013 study of university students introduced a test requiring participants to rapidly alternate between recalling unique, one-time events and repeated routines. The students were less accurate at providing specific memories when they had to switch back and forth compared to when they followed a single rule at a time.

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