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  • Title: [The endophenotype concept in the neurophysiological studies of schizophrenia].
    Author: Kirenskaia AV, Storozheva ZI, Miamlin VV, Tkachenko AA.
    Journal: Zh Vyssh Nerv Deiat Im I P Pavlova; 2013; 63(6):625-42. PubMed ID: 25464754.
    Abstract:
    The endophenotype concept is considered as theoretical basis for the study of pathobiological mechanisms of schizophrenia and for the development of the complex of instrumental diagnostic methods. The contemporary state of the problem and the most significant results of the study of three neurophysiological schizophrenia endophenotypes are presented in the review: P50 auditory evoked potential suppression, prepulse inhibition of the startle reflex and antisaccade task. The current understanding of the underlying neurophysiological and neurochemical mechanisms is described for each measure. The results of the association studies of neurophysiological endophenotypes with the relevant to schizophrenia genes' polymorphisms are laid down. High degree of independence of the considered endophenotypes is demonstrated. Taking into account the data on relatively low specificity of each endophenotype to schizophrenia compared to other mental disturbances the authors pay special attention to the model of multivariate endophenotype as a scientific and diagnostic tool.
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