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when an individual becomes capable of sexual reproduction
rapid acceleration in growth
secondary sex characteristics
changes in body composition
circulatory and respiratory system changes |
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| produces, circulates and regulates levels of hormones |
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| substances secreted by one or more endocrine glands, they enter the bloodstream and travel throughout the body |
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organs that stimulate particular parts of the body to respond in specific ways to particular hormones
pituitary gland is one of the main glands that regulates hormone levels |
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| a physiological level or setting that the body attempts to maintain through a self-regulating system |
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| the part of the brain that controls the pituitary gland |
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| sex glands that secrete sex hormones ovaries for females testes for males, the hormones are called androgens and estrogens |
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| Hypothalmus+ pitutiary+ gonads |
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| a protein produced by fat cells that plays a role in the onset of puberty, so the body can't go through puberty until it has met a certain amount of body fat |
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| The maturation of the adrenal glands that takes place in preadolescence. |
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| a stress hormone, that at high and chronic levels can cause brain cells to die |
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| a widely used system to describe the five stages of pubertal development |
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| a pattern of sleep characterized by later sleep and wake times, which often emerges during puberty. |
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| a hormone present in the brain that causes sleepiness, as it rises we feel sleepier as it falls more awake, teenagers are most alert around 3 pm |
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| the tendency, over the past two centuries for individuals to be larger in stature and reach puberty earlier, primarily because of improvements in health and nutrition. |
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| less teens are having sex now, but when they do it's at a younger age 2/3 of teens have had sex before age 18 |
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| 1/3 of adolesecnsts don't use contraception |
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condoms 60% of what's used
800K-900K become pregnant every year, teens
1/3 of US women become preggers before 20 |
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| 4 risk factors to become a substance abusers |
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| psychological, familiar, social and contextual |
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| the part of the brain that is pruned most in adolescence, its import ants for advanced thinking abilities like planning, thinking ahead, weighing risks and rewards and impulse control, isn't complete until the mid 20's |
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| dorsolateral prefrontal cortex |
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| the outer and upper areas of the front of the brain which is important for skills such as planning ahead and controlling impulses |
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| ventromedial prefrontal cortex |
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| the lower and central area of the front of the brain which is important for gut level intuitive decision making and which has strong connections with the limbic system where emotions and social information are processed |
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| the area directly behind the eyes which is important for evaluating risks and rewards. |
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| the chemicals that permit the transfer of electrical charges between neurons including dopamine and serotonin |
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| an area of the brain that plays an important role in emotional experience and processing social information. |
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| memory part of the brain in the limbic system also impulse controls |
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| thinking about thinking, developing strategies for remembering something |
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| when you believe that your story is unique and therefore not subject tho the rules that govern other peoples behavior. |
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