Armenia is in eastern Europe so there is probably more A trait than N trait in the area. Here a study shows that a dopamine gene seems to vary between schizophrenia patients and those without schizophrenia. This may reflect the connection of dopamine genes with the NPA traits such that differences in dopamine gene frequencies may reflect more the NPA type than schizophrenia per se? Specifically lack of expression of an NPA trait N or A is associated with schizophrenia and with personality type.
« Back to index