MRI signs of mental disorders
نویسندگان
چکیده
Radiology methods were believed to be used assess only structural changes in the brain. Therefore, for a long time, their use psychiatry was seen ineffective. However, subsequent development and emergence of new visualization techniques led appearance previously inaccessible opportunities. In modern psychiatric practice magnetic resonance imaging (MRI), taskbased functional MRI (fMRI) resting state fMRI are greatest interest. Both brain can assessed with these techniques. Using high spatial resolution, it’s possible gray matter brain, including its regional volume, cortical thickness, shape convolutions subcortical structures. With it became evaluate neural activity circuits task-based patient complete certain tasks, which leads an increase blood supply oxygenation activated parts Resting MRI, on other hand, evaluates spontaneous fluctuations activity. Although diagnosis mental illness is not based alone, facilitate process. MR-signs such as hypo- or hyperactivation areas, decrease volume zones observed. The text describes examples MR-characteristics attention deficit hyperactivity disorder, bipolar major depressive schizophrenia, MR-features cognitive impairment multiple sclerosis.
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ژورنال
عنوان ژورنال: ??????????? ?????
سال: 2023
ISSN: ['0235-1188', '2618-8961']
DOI: https://doi.org/10.21518/ms2023-175