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Executive Dysufnctions in the Schizophrenia Spectrum Disorders
Horáková, Anna ; Rodriguez Manchola, Mabel Virginia (advisor) ; Dvořáková, Zuzana (referee)
Schizophrenia is from a considerable part genetically conditioned. One of the heritable characteristics of this disorder is a cognitive deficit, which is to the some point even detected in healthly siblings of individuals with schizophrenia. One of the cognitive deficits, which according to recent research is a candidate for its consideration as a specific heritable characteristic as well, is also executive dysfunction. Executive dysfunction is correlated with changes of functional connectivity in the specific neural circuits. In this bachelor thesis, the functional changes are discussed and are associated with results of neuropsychological tests. Submitted research proposal aims to replicate the executive dysfunction (specifically in the domains of inhibitory control, working memory and cognitive flexibility) of schizophrenics and their first-degree relatives. In the matter of replication of this result, executive dysfunction and its neural correlation might be considered as a valid endophenotype, potentially useful in diagnostics and prevention of this serious disorder. Keywords executive dysfunction, endophenotype, schizophrenia, schizophrenia-spectrum disorders, MRI
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