Memory for social media images following traumatic brain injury.
Kaitlin Lord, Jordan Zimmerman, Melissa C Duff and 1 others
PMID 37902249WHAT IT FOUND
People with moderate-severe TBI remembered social media images they commented on at 92%, compared to 59% for images they only viewed.
This memory boost from active engagement matched the benefit seen in non-injured peers, suggesting commenting helps encode social media content despite TBI-related memory deficits.
Key findings
01Participants with TBI showed a significant memory boost for images they actively commented on (92% accuracy) compared to images they passively viewed (59% accuracy).
02The magnitude of this generation-related memory benefit was similar in the TBI group and the non-injured comparison group, with no significant difference between groups.
03There was no significant difference in comment length or error rates between the TBI and comparison groups, indicating similar engagement patterns.
STILL TO COME
How it was doneWhat they foundWhat it means for SLPs
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What it does not show
The study used a controlled experimental task where participants were told which image to comment on, rather than allowing free choice as in real-world social media use. Memory was tested immediately after a short delay (arithmetic task), so it is unknown if the memory benefit persists over longer periods. The sample was US-based and recruited from a specific registry, limiting generalizability to other cultures or populations. The study only tested memory for food and fitness images, excluding other common social media content types like dogs, cats, and nature scenes.
Declared interests
The authors report no competing interests. The study was supported by the NIH.
The easy way to misread this
Do not assume that general social media use improves memory. The benefit was specific to actively generating comments about highlighted images. Passive scrolling or viewing without engagement did not produce the same memory boost, and the study did not test whether this benefit transfers to real-world social interactions or other types of memory.