Chunk #21 — EPs as a multivariate problem
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Many EPs have been proposed for individual PDs, and Preston and Weinberger3 (Figure 1 in their work) specifically assume that each of the multiple EPs for schizophrenia will reflect somewhat different aspects of the genetic risk for the disorder. Thus, the models that we have presented hitherto, focusing on a single EP and a single PD, are likely too simplistic.