Pete Farley, ‘Mind of Blue: Conveying Emotion Affects Brain’s Creativity Network – Study of Jazz Pianists Finds Spontaneous Creation of ‘Happy’ and ‘Sad’ Music Evokes Different Neural Patterns’,, The Regents of the University of California (January 04, 2016).

Emotional expression

Research suggests that creativity cannot be fully explained in terms of the activation or deactivation of a fixed network of brain regions. Rather (…) when creative acts engage brain areas involved in emotional expression, activity in these regions strongly influences which parts of the brain’s creativity network are activated, and to what extent.