Re: schizophrenia as an endophenotype for NPA genes
An individual with behaviors that are consistently thought to be given the Dx of schizophrenia or autism should be found when the causative genes are identified to be of 2 types (genetically). Eventually, just as Newton was sitting under a tree and was struck by how gravity was simply the apple being freed from the tree to move with the universe, the psychiatrist will see that his patients have either sympathetic nervous system behaviors or parasympathetic behaviors whereas unaffected individuals are more likely to have both in their repertoire. Then it will be as obvious as gravity.
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