White Matter, Cognition, and Electrophysiological Variables in Bipolar Disorder: Using Multimodal Integration of Biomarker Variables Associated With Bipolar Disorder to Elucidate Deficits.

IF 5 2区 医学 Q1 CLINICAL NEUROLOGY Bipolar Disorders Pub Date : 2025-03-14 DOI:10.1111/bdi.70010
Audrey Berardi, Jennifer A Brown, Brooke S Jackson, Ling-Yu Huang, Rebekah L Trotti, David A Parker, Scot K Hill, Elena Ivleva, Godfrey D Pearlson, Carol A Tamminga, Matcheri S Keshavan, Sarah K Keedy, Elliot S Gershon, John A Sweeney, Brett A Clementz, Jennifer E McDowell
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Abstract

Aim: This study aimed to evaluate associations in bipolar disorder (BD) across multimodal measures of white matter microstructure (using diffusion tensor imaging; DTI), cognitive, behavioral, and brain electrophysiological measures (using electroencephalography; EEG).

Methods: Subjects were recruited through the Psychosis and Affective Research Domains and Intermediate Phenotypes Consortium (n = 45 bipolar with psychosis, n = 40 bipolar without psychosis, n = 66 healthy subjects). DTI data were used to quantify the white matter variables, fractional anisotropy (FA) and radial diffusivity (RD). The Brief Assessment of Cognition in Schizophrenia (BACS), Stop Signal Task (SST), pro- and anti-saccades, auditory event-related potentials (ERPs), and intrinsic brain activity were used as estimates of brain function.

Results: The combined BD group differed from healthy controls, but no differences between BD with and without psychosis were observed. BD-related white matter abnormalities were seen across multiple tracts: right cingulum-cingulate gyrus, bilateral anterior thalamic radiation, bilateral superior longitudinal fasciculus, right inferior longitudinal fasciculus, and forceps major. Results also showed modestly compromised cognitive performance and elevated intrinsic EEG activity associated with BD.

Conclusions: Further analysis indicated worse white matter integrity related to higher intrinsic EEG and modestly higher ERPs. These multimodal analyses are likely to aid in creating future informative diagnostic, etiological, and treatment targets for BD.

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来源期刊
Bipolar Disorders
Bipolar Disorders 医学-精神病学
CiteScore
8.20
自引率
7.40%
发文量
90
审稿时长
6-12 weeks
期刊介绍: Bipolar Disorders is an international journal that publishes all research of relevance for the basic mechanisms, clinical aspects, or treatment of bipolar disorders and related illnesses. It intends to provide a single international outlet for new research in this area and covers research in the following areas: biochemistry physiology neuropsychopharmacology neuroanatomy neuropathology genetics brain imaging epidemiology phenomenology clinical aspects and therapeutics of bipolar disorders Bipolar Disorders also contains papers that form the development of new therapeutic strategies for these disorders as well as papers on the topics of schizoaffective disorders, and depressive disorders as these can be cyclic disorders with areas of overlap with bipolar disorders. The journal will consider for publication submissions within the domain of: Perspectives, Research Articles, Correspondence, Clinical Corner, and Reflections. Within these there are a number of types of articles: invited editorials, debates, review articles, original articles, commentaries, letters to the editors, clinical conundrums, clinical curiosities, clinical care, and musings.
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