FMRI Neurofeedback and its Application to Psychiatric Disorders
2018
: Functional magnetic resonance imaging (fMRI) neurofeedback can train subjects to control their brain activity with real-time processing and high spatial resolution, as many advances in MRI data acquisition methods, computer hardware, and processing algorithms have improved the sensitivity and speed of fMRI neurofeedback. FMRI neurofeedback has been applied to psychiatric disorders, including schizophrenia, major depressive disorder, attention-deficit hyperactivity disorder, and obsessive-compulsive disorder. Some studies reported that fMRI neurofeedback improved the symptoms of patients with psychiatric disorders, although it remains unclear if the regulation of the targeted brain regions or the functional connectivities themselves improved the symptoms. It is necessary that researchers pay enough attention to their study's design, because many non-specific factors such as introduction, mental strategies, self-efficacy, attention, motivation, learning ability, and reward influence the results in fMRI neurofeedback studies. If the long-term effect of fMRI neurofeedback on the symptoms of psychiatric disorders are recognized, fMRI neurofeedback will be useful in treating heterogeneous patients with psychiatric disorders without side effects.
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