Abstract
Background: brain structural peculiarities in different mental disorders are neurobiological indicators that are extremely important both for understanding of the diseases’ pathogenesis and for identifying potentially valid prognostic markers. The aim of this pilot study was to identify the range of brain morphometric parameters in the group of patients with schizotypal disorders with catatonia syndrome. Patients and methods: 33 patients with schizotypal disorder and 33 age-matched mentally healthy subjects underwent high-resolution structural MRI on a 3T Philips Ingenia scanner. Results: there were found widely distributed intergroup differences in form of the smaller gray matter thickness. In this spectrum, a morphometric abnormality of the precentral gyrus, an area of the primary motor cortex localization, previously not noted in the literature on schizotypal disorder, drew special attention. In addition, smaller volume of the nuclei accumbens (included in the processes of choosing actions) was found. Conclusions: this pilot study allowed to reveal some brain elements of the mosaic presumably associated with the manifestation of catatonia syndrome in schizotypal disorder.
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