Publication: Neurophysiological Features of Neutral and Threatening Visual Stimuli Perception in Patients with Schizophrenia
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2021
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© 2021, The Author(s), under exclusive license to Springer Nature Switzerland AG.The authors of this work set a goal to study the features of visual perception of threatening stimulus associated with personal experience in patients with schizophrenia. As a target group were taken patients with a paranoid-hallucinatory syndrome. Healthy volunteers without mental disorders and neurological diseases were used as controls. During fMRI studies, threatening and neutral images were presented. The experiment was built on the principle of a block paradigm. As a result, statistical parametric maps were constructed for two groups of subjects and the results were compared among themselves. According to the obtained results, patients with schizophrenia show a decrease in the overall level of activation in all regions of the brain compared with healthy volunteers. This is most evident in Middle Temporal Gyrus (temporooccipital part Right), Inferior Temporal Gyrus (temporooccipital part Left and Right), Lateral Occipital Cortex (inferior division Left and Right), Temporal Occipital Fusiform Cortex Left and Right and Frontal Pole Left and Right.
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Neurophysiological Features of Neutral and Threatening Visual Stimuli Perception in Patients with Schizophrenia / Kartashov, S.I. [et al.] // Advances in Intelligent Systems and Computing. - 2021. - 1310. - P. 138-142. - 10.1007/978-3-030-65596-9_17