: Infants typically begin to recognize themselves as a distinct entity (the "I") between 18 and 24 months.
: René Descartes famously stated, "Cogito, ergo sum" (I think, therefore I am). For Descartes, the "I" was the thinking thing—the only certainty in a world of doubt. : Infants typically begin to recognize themselves as
: It allows for immediate self-reference without the need for constant use of proper names, facilitating fluid communication and social interaction. 2. The Psychological Construct: Building the "Me" ergo sum" (I think
Title, abstract and keywords: a practical guide to maximize the ... - PMC therefore I am). For Descartes
: David Hume argued that there is no "I" as a stable entity. Instead, the self is just a "bundle" of ever-changing perceptions, memories, and sensations.