Impulses

Psychologists call it the dark triad: an intersection of three of the most malevolent tendencies of human nature – psychopathy, narcissism, and Machiavellianism.But the truth goes deeper, and darker. There's also egoism, sadism, spitefulness, and more. And behind this rogues gallery of all our worst inclinations on the surface, a central, common core of human darkness lies, researchers say.In a 2018 study, psychologists from Germany and Denmark mapped this driving force behind all our darkest impulses and gave it a name.…

In a groundbreaking study, researchers have identified the right inferior frontal gyrus (rIFG) as crucial in the brain’s inhibitory control circuit. Using dynamic causal modeling and fMRI with 250 participants, the study found high connectivity in this circuit, influenced by gender and performance. The findings reveal hemispheric asymmetry and gender-based differences in brain processes, providing insights that could improve treatment strategies for mental and neurological disorders related to response inhibition.…