The human brain reacts completely differently to a threat that invades your personal space compared to those that are further away, according to a new study that combined MRI scans with VR technology. Distant threats engage circuits in the brain linked to problem-solving, while closer dangers trigger parts the brain that deal with defensive, less reasoned animal instincts, and are more likely to induce longer lasting fear reactions, including PTSD.Continue ReadingCategory: ScienceTags: Brain, Fear, MRI, Duke University

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