Optimal Experience: A state of consciousness where people report feelings of concentration and deep enjoyment. It is an intrinsically rewarding experience where the person's skills are well-matched to the challenges at hand.
Autotelic Personality: A personality disposition that is oriented towards experiencing flow. Individuals with an autotelic personality tend to be intrinsically motivated, curious, and able to find enjoyment and purpose in everyday activities.
Intrinsic Motivation:The drive to engage in an activity for its own sake, out of interest and enjoyment, rather than for external rewards or pressures. Intrinsic motivation is a key component of the flow state experience.