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Representational Dissimilarity of Faces and Places during a Working Memory Task is Associated with Subsequent
Lena J Skalaban1,2, Ivan Chan1, Kristina M Rapuano1
1Yale University, New Haven, CT.
Journal of Cognitive Neuroscience
|December 7, 2023
Summary
Neural representations during working memory impact later recognition. Distinct patterns for faces and places in youth brains influence memory prioritization, with category-specific brain regions showing unique relationships to recognition performance.
Area of Science:
- Cognitive Neuroscience
- Developmental Psychology
- Neuroimaging
Background:
- Faces are a highly specialized visual category, particularly during development.
- The relationship between neural similarity patterns during working memory and subsequent recognition memory for faces and places is not well understood.
Purpose of the Study:
- To investigate how spatial patterns of neural similarity for faces and places during working memory support subsequent recognition memory in youth.
- To examine the influence of representational similarity within and between visual categories on recognition memory.
Main Methods:
- Utilized representational similarity analysis (RSA) on functional imaging data from 9-10-year-old youth.
- Employed data from the Adolescent Brain and Cognitive Development Study 3.0 during an emotional n-back task.
- Related neural similarity patterns during working memory to out-of-scanner recognition memory performance.
Main Results:
- Working memory performance was higher for faces than places, but recognition memory was greater for places.
- Category-specific patterns of neural similarity were observed in face- and place-sensitive regions (fusiform gyrus, parahippocampal gyrus).
- Parahippocampal similarity within face categories and dissimilarity between faces and places predicted better place recognition; fusiform patterns predicted new face recognition.
Conclusions:
- Representational distinctiveness between visual categories influences the prioritization of information for subsequent recognition memory in developing brains.
- Neural processing during working memory plays a critical role in shaping recognition memory outcomes for different visual categories.
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