Generalizable links between symptoms of borderline personality disorder and functional connectivity

Author:

Shafiei GoliaORCID,Keller Arielle S.ORCID,Bertolero MaxwellORCID,Shanmugan Sheila,Bassett Dani S.ORCID,Chen Andrew A.ORCID,Covitz SydneyORCID,Houghton AudreyORCID,Luo AudreyORCID,Mehta Kahini,Salo TaylorORCID,Shinohara Russell T.ORCID,Fair Damien,Hallquist Michael N.ORCID,Satterthwaite Theodore D.ORCID

Abstract

ABSTRACTBackgroundSymptoms of borderline personality disorder (BPD) often manifest in adolescence, yet the underlying relationship between these debilitating symptoms and the development of functional brain networks is not well understood. Here we aimed to investigate how multivariate patterns of functional connectivity are associated with symptoms of BPD in a large sample of young adults and adolescents.MethodsWe used high-quality functional Magnetic Resonance Imaging (fMRI) data from young adults from the Human Connectome Project: Young Adults (HCP-YA;N= 870, ages 22-37 years, 457 female) and youth from the Human Connectome Project: Development (HCP-D;N= 223, age range 16-21 years, 121 female). A previously validated BPD proxy score was derived from the NEO Five Factor Inventory (NEO-FFI). A ridge regression model with 10-fold cross-validation and nested hyperparameter tuning was trained and tested in HCP-YA to predict BPD scores in unseen data from regional functional connectivity, while controlling for in-scanner motion, age, and sex. The trained model was further tested on data from HCP-D without further tuning. Finally, we tested how the connectivity patterns associated with BPD aligned with agerelated changes in connectivity.ResultsMultivariate functional connectivity patterns significantly predicted out-of-sample BPD proxy scores in unseen data in both young adults (HCP-YA;pperm= 0.001) and older adolescents (HCP-D;pperm= 0.001). Predictive capacity of regions was heterogeneous; the most predictive regions were found in functional systems relevant for emotion regulation and executive function, including the ventral attention network. Finally, regional functional connectivity patterns that predicted BPD proxy scores aligned with those associated with development in youth.ConclusionIndividual differences in functional connectivity in developmentally-sensitive regions are associated with the symptoms of BPD.

Publisher

Cold Spring Harbor Laboratory

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