Final answer:
Self-schema is defined as the beliefs about the self that organize and guide the processing of self-relevant information.
Step-by-step explanation:
Self-schema is defined as the beliefs about the self that organize and guide the processing of self-relevant information. It is a mental construct that allows the brain to work more efficiently by making assumptions about oneself based on related concepts. For example, if someone has a self-schema of being athletic, they may process information related to fitness and sports more readily.