Review of functional and anatomical brain connectivity findings in schizophrenia
Abstract
PURPOSE OF REVIEW: We review diffusion tensor imaging (DTI) studies that investigate white matter abnormalities in patients with chronic schizophrenia, first episode schizophrenia, and those who are at genetic risk for developing schizophrenia. Additionally, we include studies that combine DTI and functional MRI (fMRI) to investigate brain connectivity abnormalities. RECENT FINDINGS: Schizophrenia is a complex mental disorder with a peak age of onset in early adulthood. Abnormalities in white matter tracts, which connect brain regions into functional networks, are most likely relevant for understanding structural and functional brain abnormalities in schizophrenia. Dysconnectivity between brain regions, in fact, is thought to underlie cognitive abnormalities in schizophrenia but little is known about how alterations at the functional level relate to abnormalities in anatomical connectivity. DTI has become one of the most popular tools in brain research to address such questions. Here we review white matter abnormalities using DTI with the aim of understanding dysconnectivity of brain regions and their implications in schizophrenia. SUMMARY: Advances in DTI and in combining DTI with fMRI provide new insight into anatomical and functional connections in the brain, and for studying dysconnectivity in schizophrenia.
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Diffusion tensor imaging studies suggest abnormal white matter along different fiber tracts, including within and between frontal and temporal areas.
“Studies using magnetic resonance techniques such as diffusion tensor imaging (DTI) also suggest abnormal white matter along different fiber tracts, including within and between frontal and temporal areas (Fitzsimmons et al., 2013).”
From Redox dysregulation, neuroinflammation, and NMDA receptor hypofunction: A “central hub” in schizophrenia pathophysiology? (2016) · cites this paper as Fitzsimmons et al., 2013
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- Authors
- Fitzsimmons, J., Kubicki, M., & Shenton, M. E.
- Affiliations
- Brigham and Women's Hospital (US)
- Corresponding author
- Fitzsimmons, Jennifer
- Venue
- Current Opinion in Psychiatry
- Published
- 2013-03
- Volume
- 26
- Issue
- 2
- Pages
- 172-187
- ISSN
- 0951-7367 (ISSN-L)
- OpenAlex
- W2085056911
- Cited by
- 277
- References
- 55
- Citations by year
- 2026: 3 · 2025: 3 · 2024: 11 · 2023: 8 · 2022: 15 · 2021: 20 · 2020: 22 · 2019: 22 · 2018: 21 · 2017: 27 · 2016: 30 · 2015: 41 · 2014: 38 · 2013: 14
- FWCI
- 5.59
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Current Opinion in Psychiatry (publishedVersion)
- PubMed (publishedVersion)
- Funders
- National Institute of Mental Health (R01MH50740, R01MH050740)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
- Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
- Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
- Keywords
- schizophrenia, white matter abnormalities, brain connectivity, diffusion tensor imaging, functional MRI, dysconnectivity, first-episode schizophrenia, chronic schizophrenia, cognitive impairment
- MeSH terms
- Brain Mapping, Humans, Magnetic Resonance Imaging, Neural Pathways, Schizophrenia, Connectome
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