The DOI matches its Crossref record; 40 of the 41 references it cites were found in a registry or an index.
Gray matter differences in patients with functional movement disorders
Open accessAbstract
OBJECTIVE: To explore alterations in gray matter volume in patients with functional movement disorders. METHODS: We obtained T1-weighted MRI on 48 patients with clinically definite functional movement disorders, a subset of functional neurologic symptom disorder characterized by abnormal involuntary movements, and on 55 age- and sex-matched healthy controls. We compared between-group differences in gray matter volume using voxel-based morphometry across the whole brain. All participants in addition underwent a thorough neuropsychological battery, including the Hamilton Anxiety and Depression Scales and the Childhood Trauma Questionnaire. To determine whether confounding factors such as comorbid depression, anxiety, or childhood trauma exposure contributed to the observed structural changes, nonparametric correlation analysis was performed. RESULTS: ≤ 0.05). Volumetric differences did not correlate with measures of disease duration or patient-rated disease severity. CONCLUSION: This study demonstrates that patients with functional movement disorders exhibit structural gray matter abnormalities in critical components of the limbic and sensorimotor circuitry. These abnormalities may represent a premorbid trait rendering patients more susceptible to disease, the disease itself, or a compensatory response to disease.
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“While findings have not been entirely consistent across studies and FND sub-populations, between-group differences in default mode, salience and sensorimotor network areas have been identified in a range FND populations compared to controls.45,207,[209][210][211][212]”
From A new science of emotion: implications for functional neurological disorder (2022) · cites this paper as [212]
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- First MB, Spitzer RL, Gibbon M, Williams J. Structured Clinical Interview for DSM-IV-TR Axis I Disorders, Patient Edition (SCID-I/P, 1/2007 Revision): Biometrics Res [online]. New York: NYSPI; 2002.
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Neuroimaging in functional neurological disorder: State of the field and research agenda
Perez, D. L., Nicholson, T. R., Asadi-Pooya, A. A., Bègue, I., Butler, M., Carson, A. J., David, A. S., Deeley, Q., Diez, I., Edwards, M. J., et al. (2021) · NeuroImage: Clinical · doi:10.1016/j.nicl.2021.102623 · Cited by 216
Self-citationA new science of emotion: implications for functional neurological disorder
Jungilligens, J., Paredes-Echeverri, S., Popkirov, S., Barrett, L. F., & Perez, D. L. (2022) · Brain · doi:10.1093/brain/awac204 · Cited by 164
Pathogenesis and pathophysiology of functional (psychogenic) movement disorders
Baizabal-Carvallo, J. F., Hallett, M., & Jankovic, J. (2019) · Neurobiology of Disease · doi:10.1016/j.nbd.2019.02.013 · Cited by 163
Self-citationBègue, I., Adams, C., Stone, J., & Perez, D. L. (2019) · NeuroImage: Clinical · doi:10.1016/j.nicl.2019.101798 · Cited by 124
Understanding Functional Neurological Disorder: Recent Insights and Diagnostic Challenges
Mavroudis, I. A., Kazis, D. A., Kamal, F. Z., Gurzu, I. L., Ciobica, A. S., Pădurariu, M., Novac, B., & Iordache, A. (2024) · International Journal of Molecular Sciences · doi:10.3390/ijms25084470 · Cited by 88
Metadata
- Authors
- Maurer, C. W., LaFaver, K., Limachia, G. S., Capitan, G., Ameli, R., Sinclair, S., Epstein, S. A., Hallett, M., & Horovitz, S. G.
- Affiliations
- National Institutes of Health (US)
- ORCID
- Venue
- Neurology
- Published
- 2018-11-13
- Volume
- 91
- Issue
- 20
- Pages
- e1870-e1879
- ISSN
- 0028-3878 (ISSN-L)
- 1526-632X
- PMC
- PMC6260194
- OpenAlex
- W2897783414
- Cited by
- 72
- References
- 41
- Citations by year
- 2026: 9 · 2025: 13 · 2024: 12 · 2023: 5 · 2022: 10 · 2021: 9 · 2020: 7 · 2019: 7
- FWCI
- 4.51
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Neurology (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Psychiatry and Mental health › Psychosomatic Disorders and Their Treatments
- Health Sciences › Medicine › Clinical Neurology › Deep Brain Stimulation and Movement Disorders
- Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
- Keywords
- functional movement disorders, gray matter volume, involuntary movements, limbic system, depression, anxiety, childhood trauma, brain structural changes
- MeSH terms
- Adult, Aged, Brain, Female, Humans, Image Interpretation, Computer-Assisted, Magnetic Resonance Imaging, Male, Middle Aged, Movement Disorders, Young Adult, Gray Matter
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