The search for happiness - using MRI to find where happiness happens: Overall happiness, according to a new study, is a combination of happy emotions and satisfaction of life coming together in the precuneus, a region in the medial parietal lobe that becomes active when experiencing consciousness

See the source article by following the link below:
The search for happiness - using MRI to find where happiness happens: Overall happiness, according to a new study, is a combination of happy emotions and satisfaction of life coming together in the precuneus, a region in the medial parietal lobe that becomes active when experiencing consciousness