According to the nosological classification, Bipolar Disorder (BD) and Borderline Personality Disorder (BPD) are different syndromes. However, these pathological conditions share a number of affective symptoms that make the diagnosis difficult. Affective symptoms range from abnormal mood swings, characterizing both BD and BPD, to regulation dysfunctions, more specific to BPD. To shed light on the neural bases of these aspects, and to better understand differences and similarities between the two disorders, we analysed for the first time gray and white matter features of both BD and BPD. Structural T1 images from 30 patients with BD, 20 with BPD, and 45 controls were analysed by capitalizing on an innovative whole-brain multivariate method known as Source-based Morphometry. Compared to controls, BD patients showed increased gray matter concentration (p = .0032) in a network involving mostly subcortical structures and cerebellar areas, possibly related to abnormal mood experiences. Notably, BPD patients showed milder alterations in the same circuit, standing in the middle of a continuum between BD and controls. In addition to this, we found an altered white matter network specific to BPD (p = .0188), including frontal-parietal and temporal regions possibly associated with dysfunctional top-down emotion regulation. These findings may shed light on a better understanding of affective disturbances behind the two disorders, with bipolar patients more characterized by abnormalities in neural structures involved in mood oscillations, and borderline by deficits in the cognitive regulation of emotions. These results may help developing better treatments tailored to the specific affective disturbances displayed by these patients.
Common and different gray and white matter alterations in Bipolar and Borderline Personality Disorder: A Source-Based Morphometry study / Lapomarda, Gaia; Grecucci, Alessandro; Messina, Irene; Pappaianni, Edoardo; Dadomo, Harold. - In: BRAIN RESEARCH. - ISSN 0006-8993. - 2021:(2021), p. 147401. [10.1016/j.brainres.2021.147401]
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Titolo: | Common and different gray and white matter alterations in Bipolar and Borderline Personality Disorder: A Source-Based Morphometry study | |
Autori: | Lapomarda, Gaia; Grecucci, Alessandro; Messina, Irene; Pappaianni, Edoardo; Dadomo, Harold | |
Autori Unitn: | ||
Titolo del periodico: | BRAIN RESEARCH | |
Anno di pubblicazione: | 2021 | |
Codice identificativo Scopus: | 2-s2.0-85103589600 | |
Codice identificativo Pubmed: | 33675742 | |
Codice identificativo WOS: | MEDLINE:33675742 | |
Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.brainres.2021.147401 | |
Handle: | http://hdl.handle.net/11572/295880 | |
Citazione: | Common and different gray and white matter alterations in Bipolar and Borderline Personality Disorder: A Source-Based Morphometry study / Lapomarda, Gaia; Grecucci, Alessandro; Messina, Irene; Pappaianni, Edoardo; Dadomo, Harold. - In: BRAIN RESEARCH. - ISSN 0006-8993. - 2021:(2021), p. 147401. [10.1016/j.brainres.2021.147401] | |
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