Heart rate synchronization occurs, even when people listen to a story alone, when paying attention to certain points of a story.
Heart rate variability can indicate whether a person has bipolar disorder or major depression, a new study reports.
During times of mental stress, young veterans with PTSD show increased 'fight or flight' response, a new study reports.
Cigarette smoking activates dopamine driven satisfaction and pleasure responses differently between the sexes, a neuroimaging study finds.
