Many, many genes—more than were identified in this study—are probably involved, influencing a variety of pathways in the brain, Nivard says. “That must be the case, given how diffuse we find those genetic effects to be.”
“It’s a wonderful paper,” says Tena Vukasović Hlupić, a psychologist at the University of Zagreb who was not an author on the new study. “It’s finally empirical evidence that there is not one gene for whatever personality trait.”
What’s next for genetics and personality research?
Understanding the genetic variants playing into each trait may help psychologists and neuroscientists further explore the basic neurobiology of…
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