George Herbert Mead, a prominent figure in symbolic interactionism, posited that the 'self' is not an innate entity but rather a social product that emerges through interaction with others. The development of the self is intrinsically linked to the individual becoming self-conscious, which means being able to view oneself as an object, much like one views others.

Mead's theory emphasizes that the self arises from social experience, particularly through communication and the exchange of symbols. He outlined a developmental process through which this self-consciousness emerges:

1. The Preparatory Stage (Imitation): In this initial stage, typically seen in infants, children merely imitate the behaviors of others without understanding the underlying meaning. They mimic gestures, sounds, and actions, but lack the ability to take the role of the other.

2. The Play Stage (Role-Taking): As children grow, they enter the play stage, where they begin to take on the roles of specific others. For example, a child might play 'mommy,' 'daddy,' 'teacher,' or 'doctor.' In doing so, they learn to see themselves from the perspective of that specific other. This is crucial because it allows them to understand how their actions might appear to others and to anticipate responses. This stage involves taking the role of one significant other at a time.

3. The Game Stage (Generalized Other): This is the most crucial stage for the development of a fully formed self. In a game, a child must understand not just one role, but the roles of all participants and how they interrelate according to a set of rules. For instance, in a baseball game, a player must understand the roles of pitcher, catcher, batter, and fielders, and how their actions are coordinated. This requires internalizing the attitudes of the entire group or community, which Mead called the 'generalized other.' The generalized other represents the organized community or social group that gives the individual a sense of unity of self. It is the abstract 'they' or 'society' whose expectations and norms we internalize.

Once an individual can take the role of the generalized other, they can view themselves from the perspective of the broader society, internalizing its norms, values, and expectations. This capacity for self-reflection and self-evaluation is what Mead means by 'self-consciousness.'

Mead further distinguished between two phases of the self:

• The 'Me': This is the socialized self, representing the organized set of attitudes of others that one assumes. It is the conventional, habitual, and conforming aspect of the self, reflecting internalized societal expectations. The 'Me' is what allows us to act appropriately in social situations and to be aware of social norms.
• The 'I': This is the spontaneous, creative, and unpredictable aspect of the self. It is the immediate response of the individual to the attitudes of others and to the social situation. The 'I' is the source of novelty, innovation, and individual agency, allowing for deviation from social expectations and the initiation of social change.

In essence, the self, for Mead, is a dynamic interplay between the 'I' and the 'Me,' constantly shaped and reshaped through ongoing social interaction. Self-consciousness, therefore, is not a pre-existing state but an achievement of social development, enabling individuals to become objects to themselves and to navigate the complex social world.