Key result
Resting-state functional brain connectivity of limbic areas explained 15.08% and 10.58% of the within-person variation in positive and negative affective states, respectively.
Why the study?
Cross-sectional studies obfuscate intraindividual variability in affective states, and the few longitudinal fMRI studies linking brain function changes to affective ebbs and flows have mostly investigated a single individual.
Comparison
Within-person fluctuations in self-reported positive and negative affects
Design
Longitudinal resting-state fMRI study
Authors
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Hypothesis-generating for affective dynamics in cardiovascular patients; leaves open clinical utility pending prospective validation.
Observational (n=6)
No
Effect estimate: R2 15.08% for positive affectivity and 10.58% for negative affectivity
Functional connectivity of limbic areas helps explain intraindividual temporal dynamics of affective states over time.
Racicot et al. (2024) conducted an observational in Healthy (n=6). Resting-state functional brain connectivity was evaluated on Within-person variation in positive and negative affective states (R2 15.08% for positive affectivity and 10.58% for negative affectivity). Resting-state functional brain connectivity of limbic areas explained 15.08% and 10.58% of the within-person variation in positive and negative affective states, respectively.
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