AINEWS
The lab said older adults forget more. Their daily lives said otherwise.
Two studies using smartphone audio to capture older adults' memories during ordinary life suggest decades of lab based research have been measuring the wrong thing.
Two studies using smartphone audio to capture older adults' memories during ordinary life suggest decades of lab based research have been measuring the wrong thing.
Two new studies tracking older adults' memories in the wild, via smartphone apps that captured snippets of conversation as people went about ordinary days, suggest that decades of lab research have been measuring the wrong thing. The results, from psychologist Matthew Grilli and colleagues at the University of Arizona in Tucson and reported in Science News, push back against a long-standing picture of autobiographical memory as a casualty of aging. They also point at the lab interview itself as a possible reason the field has overestimated that decline.
In one of the two studies, accepted at the Journal of Experimental Psychology: General, 50 older adults aged 61 to 81 and 24 younger adults aged 18 to 28 carried smartphones that recorded 30-second audio clips five times an hour, up to 14 hours a day, across 10 continuous days. When researchers later coded those snippets for how richly participants described past events in conversation, the expected age gap narrowed sharply compared with a traditional in-lab interview. The older adults still produced the conversation-style richness that younger adults showed, even where the lab format had made their recall look thin.
For about four decades, autobiographical memory research has leaned on experimenter-led interviews, where someone sits with a participant and asks them to retrieve specific past events, often under time pressure, and rates the response for "internal" details (sensory and perceptual features of the original event) versus external ones. Older adults consistently produce fewer of those internal details, and the pattern grows more pronounced in people with dementia, which is why the deficit has been treated as a marker of cognitive decline. Grilli's argument, as Diana Kwon reports in Science News, is not that the lab data are wrong but that they may not be capturing the whole picture. The lab is itself an unusual setting in which to remember, and researchers may need to step back from assumptions built on it.
A second study, published in January in PNAS, used a different smartphone-based approach with more than 1,900 adults aged 18 to 89 and reached a similar conclusion: the gap between older and younger adults shrinks once memory is sampled outside the lab. Read together, the two papers amount to a methodological argument, that the field's standard tool (the structured interview) has been quietly shaping its conclusions about how memory changes with age.
The caveat that has to travel with this argument is the dementia one. The lab effect is real and clinically useful in people with dementia, where probing for internal details remains a meaningful diagnostic signal. Grilli and his coauthors are not arguing otherwise. They are arguing that, in cognitively healthy older adults, the experimenter-led interview may be undercounting what the same people actually do in conversation, and that the field's broader "memory loss is inevitable" narrative may rest on a test format that flatters younger brains and penalizes older ones.
What to watch next: whether independent labs replicate the JEP:General audio-capture design in larger and more diverse samples, whether clinical researchers start to treat the lab interview as one measurement among several rather than the gold standard, and how this re-framing shows up in the next generation of cognitive-aging reviews. The interesting question is no longer whether older adults remember less in the lab. It is whether the lab is the right place to ask.