adolescent egocentrism | The heightened self-consciousness of adolescents.
(See page(s) 306)
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anorexia nervosa | An eating disorder that involves the relentless pursuit of thinness through starvation.
(See page(s) 299)
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bulimia nervosa | An eating disorder in which the individual consistently follows a binge-and-purge pattern.
(See page(s) 300)
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depression | Experiencing over a prolonged period of time, a range of symptoms, including fatigue, irritability, inability to make decisions, sleeping problems, lack of interest in daily activities, and suicidal thoughts.
(See page(s) 301)
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dopamine | One of the key brain chemicals that carry and influence messages between nerve cells.
(See page(s) 297)
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ethologists | Scientists who research the connections between animal and human behaviours.
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gonads | The sex glandsthe testes in males and the ovaries in females.
(See page(s) 282)
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hidden curriculum | The moral atmosphere communicated through the school's rules, regulations, deportment, and moral orientation.
(See page(s) 309)
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hormones | Powerful chemical substances secreted by the endocrine glands and carried through the body by the bloodstream.
(See page(s) 281)
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hypothalamus | A structure in the higher portion of the brain that monitors eating, drinking, and sex.
(See page(s) 281)
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hypothetical-deductive reasoning | Piaget's formal operational concept that adolescents have the cognitive ability to develop hypotheses, or best guesses, about ways to solve problems, such as an algebraic equation.
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imaginary audience | Adolescents' belief that others are as interested in them as they themselves are; attention-getting behaviour motivated by a desire to be noticed, visible, and "on stage."
(See page(s) 306)
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menarche | First menstruation.
(See page(s) 281)
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personal fable | The part of adolescent egocentrism that involves an adolescent's sense of uniqueness and invincibility.
(See page(s) 306)
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pituitary gland | An important endocrine gland that controls growth and regulates other glands.
(See page(s) 281)
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puberty | A period of rapid skeletal and sexual maturation that occurs mainly in early adolescence.
(See page(s) 281)
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service learning | A form of education intended to promote social responsibility and service to the community.
(See page(s) 308)
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sexually transmitted infections (STIs) | Infections and diseases that are contracted primarily through sexual contact, which is not limited to sexual intercourse. Oral-genital and anal-genital contact also can transmit STIs and STDs.
(See page(s) 290)
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