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Anterior thalamic radiation integrity in schizophrenia: A diffusion-tensor imaging study
Open accessAbstract
The anterior limb of the internal capsule (ALIC) is a white matter structure, the medial portion of which includes the anterior thalamic radiation (ATR) carrying nerve fibers between thalamus and prefrontal cortex. ATR abnormalities have a possible link with cognitive abnormalities and negative symptoms in schizophrenia. We aimed to study the fiber integrity of the ATR more selectively by isolating the medial portion of the ALIC using region-of-interest based methodology. Diffusion-tensor imaging was used to measure the anisotropy of total ALIC (tALIC) and medial ALIC (mALIC) in 39 schizophrenia and 33 control participants, matched for age/gender/handedness. Relationships between anisotropy, psychopathology, and cognitive performance were analyzed. Compared with controls, schizophrenia participants had 4.55% lower anisotropy in right tALIC, and 5.38% lower anisotropy in right mALIC. There were no significant group anisotropy differences on the left. Significant correlations were observed between right ALIC integrity and relevant domains of cognitive function (e.g., executive function, working memory). Our study suggests an asymmetric microstructural change in ALIC in schizophrenia involving the right side, which is only minimally stronger in mALIC, and which correlates with cognitive impairment. Microstructural changes in the ALIC may be linked to cognitive dysfunction in schizophrenia.
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“All aforementioned tracts are involved in attention, visual processing, verbal processing and language functions, and face recognition 61 as well as executive functioning and memory encoding, 62”
From Physical exercise keeps the brain connected: biking increases white matter integrity in patients with schizophrenia and healthy controls. (2015) · cites this paper as [62]
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Metadata
- Authors
- Mamah, D., Conturo, T. E., Harms, M. P., Akbudak, E., Wang, L., McMichael, A. R., Gado, M. H., Barch, D. M., & Csernansky, J. G.
- Affiliations
- Washington University in St. Louis (US)
- Northwestern University (US)
- Corresponding author
- Mamah, Daniel
- Venue
- Psychiatry Research: Neuroimaging
- Publisher
- Elsevier BV
- Published
- 2010-08
- Volume
- 183
- Issue
- 2
- Pages
- 144-150
- ISSN
- 0925-4927 (ISSN-L)
- PMC
- PMC3887223
- OpenAlex
- W2104561062
- Cited by
- 185
- References
- 68
- Citations by year
- 2026: 8 · 2025: 11 · 2024: 12 · 2023: 17 · 2022: 11 · 2021: 9 · 2020: 11 · 2019: 10 · 2018: 19 · 2017: 16 · 2016: 9 · 2015: 15 · 2014: 6 · 2013: 15 · 2012: 7
- FWCI
- 6.76
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Psychiatry Research Neuroimaging (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health
- National Institute of Mental Health (P50MH071616, P20MH062130, K08MH085948, R01MH056584)
- National Institute of Neurological Disorders and Stroke (R01NS039538, R01 NS065480)
- 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
- Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
- Keywords
- schizophrenia, anterior thalamic radiation, anterior limb of the internal capsule, white matter integrity, fractional anisotropy, cognitive impairment, executive function, working memory, hemispheric lateralization, thalamocortical connections
- MeSH terms
- Adolescent, Adult, Analysis of Variance, Behavioral Symptoms, Cognition Disorders, Female, Humans, Functional Laterality, Male, Middle Aged, Psychiatric Status Rating Scales, Schizophrenia, Statistics as Topic, Thalamus, Anisotropy, Diffusion Magnetic Resonance Imaging, Young Adult
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