We found that participants higher in psychopathy reported feeling less pain than participants who were lower in psychopathy.

A new study published in Biological Psychology has found that people with higher levels of psychopathic meanness show weaker ...

The following is a summary of “Individual-level deviations from normative brain morphology in violence, psychosis, and psychopathy,” published in the April 2025 issue of Translational Psychiatry by ...

Scientists have uncovered a dedicated brain circuit that distinguishes between direct fear and fear learned by observing others—known as vicarious fear.

For example, a 2015 study found people higher in psychopathy demonstrated lower levels of brain activity when seeing other people in painful situations. In our study, we found that people higher in ...

Those with the Dark Triad traits of narcissism, Machiavellianism, and psychopathy often use deception and manipulation to ...

According to the Mayo Clinic, amyotrophic lateral sclerosis (ALS) is a progressive nervous-system disease that affects nerve ...