Cognitive psychology is the study of mental processes such as "attention, language use, memory, perception, problem solving, and thinking." Much of the work derived from cognitive psychology has been integrated into various other modern disciplines of psychological study including social psychology, personality psychology, abnormal psychology, developmental psychology, and educational psychology.
Do you know who is piaget? He is one of the personage who give his opinion about cognitive psychology. He said that adolescent character are including into a young egosentrism, imaginer audience, and personal fable. That all really universal in teenagers circle. Almost happened in all of teenager in this world. Because of that, piaget is the most personage that so familiar than the other.
Cognitive are hapening to all people in their live, why? Because cognitive is brain organizing. Everyone always thingking except crazy people, or may be baby. But the matturity of thigking is happening when people become in their first adult period. I am and my friend still in last adolecent periode. Everyone are thinking in every steps of periode, but absolutly the phase every periode are different. Cognitive also causes of many reason. Such as the intelegent, experiences, and nutrition that they eat.
Santrock, W. John. 2012. Life-Span development book 1. Jakarta: Erlangga