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Structural brain changes in First Episode Schizophrenia compared with Fronto-Temporal Lobar Degeneration: a
Bayanne Olabi1, Ian Ellison-Wright, Ed Bullmore
1Division of Psychiatry, School of Molecular and Clinical Medicine, University of Edinburgh, Royal Edinburgh Hospital, Edinburgh, EH10 5HF, UK. b.olabi@sms.ed.ac.uk
BMC Psychiatry
|August 9, 2012
Summary
First Episode Schizophrenia (FES) and Fronto-Temporal Lobar Degeneration (FTLD) show significant overlap in gray matter brain changes. Common affected areas include the bilateral caudate, left insula, and bilateral uncus, suggesting shared vulnerabilities.
Area of Science:
- Neuroimaging
- Neuropsychiatry
- Radiology
Background:
- First Episode Schizophrenia (FES) and Fronto-Temporal Lobar Degeneration (FTLD) are distinct neurological disorders.
- Understanding shared neurobiological underpinnings is crucial for diagnosis and treatment.
Purpose of the Study:
- To compare gray matter changes in FES and FTLD using meta-analytic neuroimaging methods.
- To identify the extent and spatial overlap of brain alterations in both conditions.
Main Methods:
- Systematic search of structural MRI studies using voxel-based morphometry.
- Anatomical Likelihood Estimation (ALE) meta-analysis to identify gray matter decreases.
- Analysis of spatial overlap in brain changes between FES and FTLD.
Main Results:
- Included 18 FES studies (555 patients) and 20 FTLD studies (311 patients).
- Significant spatial overlap (p=0.001) in brain changes was observed between FES and FTLD.
- Common gray matter deficits identified in bilateral caudate, left insula, and bilateral uncus.
Conclusions:
- FES and FTLD exhibit significant overlap in structural brain changes.
- This overlap may indicate shared etiological factors or common regional vulnerability.
- Findings highlight potential common pathways in the pathogenesis of these disorders.
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