His 18-month study uncovered a lot about how his brain -- and others -- works.
Greater connectivity in the brain may be linked to greater happiness and life satisfaction.
Culture & Arts
Pablo Picasso's "Guernica" in Reina Sofia National Art Museum (Museo Nacional de Arte Reina Sofia) with visitors in foreground
The scans revealed heightened connectivity within the students' brains on the mornings following the assignments, and the