Adaptation refers to the process of reorganization and transformation of the subject's cognitive structure caused when the original cognitive structure cannot assimilate the information provided by the new environment, that is, the process of the individual's cognitive structure changes due to the influence of external stimuli.
Three-year-old Xiaoqian was at home alone and opened her mother's mascara. She smelled it and thought she could eat it. She licked it with her tongue and felt very bitter, and never tried her mother's makeup again is an example of adaptation according to the above definition.