The iceberg image is a bit more in the right direction. Some early research on creativity did seem to come back with the result "if you're happy you'll be more creative", but https://www.zorana-ivcevic-pringle.com/ dug a bit deeper and suggested that its about leveraging all sorts of emotions.
So broadly (maybe I'm stretching) it's about dragging the unconscious into consciousness, whatever it may be saying.
The iceberg image is a bit more in the right direction. Some early research on creativity did seem to come back with the result "if you're happy you'll be more creative", but https://www.zorana-ivcevic-pringle.com/ dug a bit deeper and suggested that its about leveraging all sorts of emotions.
So broadly (maybe I'm stretching) it's about dragging the unconscious into consciousness, whatever it may be saying.