self-schema self-reference self-concept Who am I? the substantial nature of a person which endures and unifies consciousness over time Independent self Interdependent Jibun Me versus I Knowledge about us self-awareness self-consciousness self-discrepancy Personality traits physical characteristics values goals ventromedial prefrontal cortex knowledge that we exist as individuals social group memberships self-complexity self-clarity somatosensory component agentive narrative ideal self-esteem self-perception self-reflection identity