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Effects of menopause on brain structural changes in schizophrenia
Hajime Fukuta1, Itsuo Ito, Amane Tateno
1Department of Neuropsychiatry, Nippon Medical School, Tokyo, Japan.
Psychiatry and Clinical Neurosciences
|January 22, 2013
Summary
Menopause is linked to greater brain gray matter loss in women with schizophrenia. These findings suggest female hormones may offer a protective effect against schizophrenia progression.
Area of Science:
- Neuroscience
- Psychiatry
- Radiology
Background:
- Schizophrenia is a complex mental disorder with significant neurobiological underpinnings.
- Menopause is associated with hormonal changes that may impact brain structure and function.
- Previous research has not fully elucidated the specific effects of menopause on brain morphology in schizophrenia.
Purpose of the Study:
- To investigate the influence of menopausal status on brain morphological changes in female patients with schizophrenia.
- To compare brain structure differences between premenopausal and postmenopausal women with schizophrenia.
- To explore the relationship between menopausal status and gray matter volume in schizophrenia.
Main Methods:
- Utilized magnetic resonance imaging (MRI) to assess brain morphology.
- Included 40 female schizophrenia patients (20 premenopausal, 20 postmenopausal) and 50 female controls.
- Employed optimized voxel-based morphometry with Statistical Parametric Mapping (SPM5).
Main Results:
- Schizophrenia patients showed gray matter reductions in the insula, superior temporal gyrus, anterior cingulate, parahippocampal gyrus, and thalamus compared to controls.
- Postmenopausal schizophrenia patients exhibited significantly smaller gray matter volumes in the left middle frontal gyrus compared to premenopausal patients.
- A negative correlation was found between gray matter volume and time since menopause in the right superior frontal gyrus of postmenopausal patients.
Conclusions:
- Significant morphological differences exist between postmenopausal and premenopausal schizophrenia patients.
- These findings suggest that female hormones may play a protective role in schizophrenia.
- Menopause exacerbates brain structural changes in schizophrenia, highlighting the need for menopausal status consideration in treatment.
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