Winnie Lim

But the amygdala, operating with lightning-fast acuity beneath the level of conscious awareness, perceives the distressing faces and flares in the fMRI. Some subjects report feeling anxiety at these moments—but they can’t identify its source. This would seem to be neuroscientific evidence that Freud was right about the existence of the unconscious: the brain reacts powerfully to stimuli that we are not explicitly aware of.