The link between movement abnormalities and psychotic disorders is presumed to reflect common neural mechanisms that influence both motor functions and vulnerability to psychosis. The high-risk or prodromal period preceding psychotic disorders represents both a viable point for intervention and a developmental period with high potential to shed light on etiology. In this chapter, we provide a background for understanding subtypes of movement abnormalities and underlying neurological mechanisms within the context of a neurodevelopmental conceptualization of psychosis and schizophrenia. We use these sections to provide a framework for reviewing and integrating studies of movement abnormalities in high-risk populations. These data are then evaluated to determine the viability of movement abnormalities as a biomarker. Potential directions for movement and biomarker research are evaluated and discussed.
CITATION STYLE
Mittal, V. A., & Walker, E. F. (2009). Movement Abnormalities: A Putative Biomarker of Risk for Psychosis. In The Handbook of Neuropsychiatric Biomarkers, Endophenotypes and Genes (pp. 239–258). Springer Netherlands. https://doi.org/10.1007/978-1-4020-9464-4_17
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