Researchers offered people a variety of free snack so

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Researchers offered people a variety of free snack So on a big table in the lobby, they laid out full or half pretzels, big or little tootsie rolls The consistent result when offered big or little portions, people chose the large portion The practical message is reduce standard portions Eating disorders Anorexia Nervosa – person is usually 15% below their normal body weight Yes the person still feels like they are overweight and gaining more weight Bulimia – episodes of overeating followed by vomiting or laxative use or fasting or excessive exercising Binge eating disorder – significant eating episodes followed by distress, disgust, or guilt, but without compensatory purging, fasting, or excessive exercise that marks bulimia Sexual Motivation and the Need to Belong The sexual response cycle 1 st stage excitement phase – the genital areas become engorged with blood 2 nd plateau phase – the excitement peaks as breathing pulse and blood pressure rates continue to rise 3 rd orgasm – muscles contract all over the body which further increases in breathing pulse and blood pressure 4 th stage is resolution – after orgasm, the body naturally returns to its un-aroused state during this stage is a refractory period
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during this stage a man cannot achieve an orgasm females also have a refractory period that is much shorter than males Psychology of sex How to external and internal stimuli influence sexual motivation External stimuli – studies show that most men become aroused when they see, hear, or read erotic material Research has shown that women exhibit nearly as much arousal to the same stimuli QUIZ #3 ENDS HERE Adolescent Sexuality Factors that influence teen pregnancy and risk of STDs are: Ignorance Minimal communication about birth control/guilt Alcohol/mass media norms of unprotected sex Components of emotion Physical component – is the physiological arousal that accompanies the emotion Cognitive component – the way we perceive or interpret a stimulus or situation Behavioral component – is the outward emotion/the puzzle for psych is figuring out how these fit together James Lange’s Theory of Emotion Believed that physiological arousal happens first, then the person perceives or interprets the response as an emotion Cannon-Bard Theory of Emotion – believed that our emotional experience and cognitive arousal occur simultaneously Schachter-Singer Theory – two factor theory that states that for emotion to occur, there must be physiological arousing and then a cognitive interpretation of that arousal Lazarus Theory of Emotion – first you have a cognitive appraisal, then an emotional response
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Emotions and the Brain The most researched emotion is fear . The brain structure most closely associated with fear is the amygdala The amygdala becomes activated before we are even aware that a threat is present When the emotion of fear materialized much of the brain’s processing is non-conscious Expressing Emotions Basic emotions are unlearned and universal. That is to say that they are found in all cultures and reflected in the same facial expressions Emotional expression is inborn/genetic
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