Hikaru Sugimoto, Postdoctoral Researcher of the Cognitive Behavioral Assistive Technology Team at RIKEN AIP has published a research paper titled “Association between social comparison orientation and hippocampal properties in older adults: A multimodal MRI study” in Social Neuroscience, a peer-reviewed scientific journal.
Authors:
Hikaru Sugimoto (Postdoctoral Researcher, Cognitive Behavioral Assistive Technology Team)
Takuya Sekiguchi (Research Scientist, Cognitive Behavioral Assistive Technology Team)
Mihoko Otake-Matsuura (Team Leader, Cognitive Behavioral Assistive Technology Team)
This study reveals how social comparison orientation is related to cognitive and brain health in older adults. Social comparison orientation refers to the psychological tendency to compare oneself with others and has two distinct dimensions: one about “opinion” and the other about “ability.” In this study, we examined the relationships between the subjective degree of these two dimensions and cognitive test scores and various brain indices measured by MRI scans. The results showed that older adults with a higher tendency to compare oneself with others in terms of “opinion” had higher scores on cognitive tests, greater volume in the brain region called the hippocampus, stronger functional connectivity during the rest state, and higher fractional anisotropy in white matter fibers. However, such relationships were not found between the tendency to compare in terms of “ability” and these metrics.
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