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Friends are good for the heart: Investigating neurocognitive mechanisms underlying successful social learning that can reduce loneliness and associated cardiovascular diseases

Award Number: F31HL173957
ORGANIZATION: NATIONAL HEART, LUNG, & BLOOD INSTITUTE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS
PERIOD OF PERFORMANCE START DATE: 09/30/2024
PERIOD OF PERFORMANCE END DATE: 12/20/2026

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Friends are good for the heart: Investigating neurocognitive mechanisms underlying successful social learning that can reduce loneliness and associated cardiovascular diseases - PROJECT SUMMARY / ABSTRACT Many major life transitions, such as starting a new job or switching schools, involve learning new social structures. Successfully learning these structures is critically important for feeling a sense of belonging, improving academic or job performance, increasing well-being, and establishing relationships with others, but failure can increase feelings of social isolation and loneliness. These feelings are strongly associated with a greater risk for heart disease and other cardiovascular risk factors, such as hypertension and obesity. This striking relationship between loneliness and negative cardiovascular health outcomes is an urgent public health priority in the United States. While factors like social integration and adapting to novel social environments influence both mental and physical health, relatively little is known about exactly how people learn new social structures, and what factors make some individuals better social learners than others. Moreover, no empirical research to date has examined the relationship between social-relational learning and loneliness using a combination of behavioral, physiological, and neurocognitive methods. The proposed research aims to address these gaps by conducting a longitudinal study during the real-time formation of a social network and measuring biological and psychological signals that may explain individual differences in social learning success. In this study, 300 individuals from the first-year Honors program cohort of undergraduate students – who live and take smaller classes together – will complete a social-relational accuracy survey at three timepoints during the academic year. Each participant will receive a roster of names for all cohort members and will be asked to identify the strength of friendship with each name. Participants will additionally complete surveys assessing social integration, loneliness, and social support. We will test the hypotheses that more socially integrated and supported people will feel less lonely, and that social-relational accuracy is associated with individual differences in loneliness. A random subset of 60 individuals will additionally participate in a neuroimaging experiment using a previously-validated social-relational learning paradigm. Participants will view videos of interactions between contestants on a reality television show and rate the degree to which contestants are friends or rivals with each other. Resting heart rate variability (rHRV) will be measured continuously throughout the task. Using multivariate analysis techniques, we will identify patterns of activity for individuals who are better or worse at identifying the strength and valence of these viewed relationships. We will test the hypothesis that participants who are better at identifying the quality of these relationships will show increased neural synchrony in the dorsomedial and ventromedial prefrontal cortex, temporoparietal junction, and ventral striatum, will report feeling less lonely, show higher social-relational accuracy, and have a higher rHRV. By illuminating a variety of mechanisms that support social-relational learning and directly relating these mechanisms to individual outcomes, these findings may support the development of strategies to reduce loneliness and the risk of cardiovascular diseases.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2026 ( Subtotal = $35,943 )
2026	2026	TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	1805 N BROAD ST	PHILADELPHIA	PA	19122	PHILADELPHIA	USA	Cardiovascular Diseases Research	001	2	5/5/2026	NON-COMPETING CONTINUATION	$576
2026	2026	TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	1805 N BROAD ST	PHILADELPHIA	PA	19122	PHILADELPHIA	USA	Cardiovascular Diseases Research	000	2	2/9/2026	NON-COMPETING CONTINUATION	$35,367
														Subtotal = $35,943

Issue Date FY: 2025 ( Subtotal = $0 )
2025	2024	TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	1805 N BROAD ST	PHILADELPHIA	PA	19122	PHILADELPHIA	USA	Cardiovascular Diseases Research	000	1	5/31/2025	NEW	$0
														Subtotal = $0

Issue Date FY: 2024 ( Subtotal = $34,803 )
2024	2024	TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	1805 N BROAD ST	PHILADELPHIA	PA	19122	PHILADELPHIA	USA	Cardiovascular Diseases Research	001	1	8/14/2024	NEW	$0
2024	2024	TEMPLE UNIVERSITY-OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATION	1805 N BROAD ST	PHILADELPHIA	PA	19122	PHILADELPHIA	USA	Cardiovascular Diseases Research	000	1	8/14/2024	NEW	$34,803
														Subtotal = $34,803

Grand Total All Awards = $70,746

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Friends are good for the heart: Investigating neurocognitive mechanisms underlying successful social learning that can reduce loneliness and associated cardiovascular diseases

Award Number: F31HL173957

ORGANIZATION: NATIONAL HEART, LUNG, & BLOOD INSTITUTE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: FELLOWSHIP/SCHOLARSHIP/STUDENT LOANS

PERIOD OF PERFORMANCE START DATE: 09/30/2024

PERIOD OF PERFORMANCE END DATE: 12/20/2026

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