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The study of adolescent development often involves interdisciplinary collaborations.
For example, researchers in neuroscience or bio-behavioral health might focus on pubertal changes in brain structure and its effects on cognition or social relations.
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Physical growth (particularly in males), and cognitive development can extend into the early twenties.Major pubertal and biological changes include changes to the sex organs, height, weight, and muscle mass, as well as major changes in brain structure and organization.Cognitive advances encompass both increment in knowledge and in the ability to think abstractly and to reason more effectively.Adolescence is usually accompanied by an increased independence allowed by the parents or legal guardians, including less supervision as compared to preadolescence.In studying adolescent development, adolescence can be defined biologically, as the physical transition marked by the onset of puberty and the termination of physical growth; cognitively, as changes in the ability to think abstractly and multi-dimensionally; or socially, as a period of preparation for adult roles.We have a zero-tolerance policy against illegal pornography.