Flow: The Psychology of Optimal Experience

by Mihály Csíkszentmihályi

Information enters consciousness either because we intend to focus attention on it or as a result of attentional habits based on biological or social instructions.

Prolonged experiences of this kind can weaken the self to the point that it is no longer able to invest attention and pursue its goals.

Complexity is the result of two broad psychological processes: differentiation and integration.

clear goals and provides immediate feedback.