Extrovertsalsorespondmorestronglytorewards, withbrainscansshowing a significantlymoreactivateddopaminerewardsystemthanintrovertswhencompletingandwinning a computerizedgamblingtask.
A studyinvolving 130 participantsdiscoveredthatthosewhoweremoreinclinedtobeadventuroushadtwocopiesofoneparticularallele, reinforcingtheideathatthesepersonalitytraitsarepartiallylinkedtogenetics.
Ourinstitutionsarealsooftendesignedwiththeextrovertinmindwheregroupworkis a popularpracticeinmostschoolsandworkplaceswiththeideathatcreativitycomesfrom a sociableplace.