Week of 2/1/16-2/5/16
Week of 2/1/16-2/5/16 Psy 120-020
Kutztown University of Pennsylvania
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This 6 page Class Notes was uploaded by Cassie Ferree on Friday February 5, 2016. The Class Notes belongs to Psy 120-020 at Kutztown University of Pennsylvania taught by Raquel Akillas in Spring 2016. Since its upload, it has received 37 views. For similar materials see Adolescent Psychology in Psychlogy at Kutztown University of Pennsylvania.
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Date Created: 02/05/16
Teen Brain Development Myelination White matter growth Myelin Sheath (fatty covering over the axon) Allows impulses to travel fast Reasons behind teens having good reflexes Prefrontal Cortex Responsible for organizing, planning Memory Mood Logic Impulse control – tells brain to stop! Don’t do this. - Brake system - Poor impulse control - Don’t think of consequences of actions Brain grows connections - Age 11 (girls) - Age 12 (boys) Pruning begins - Consolidation learning - Ends age 21-26 *Should they be held accountable for poor decisions? Sleep Needed amount of sleep - Quality over quantity - Babies (12-14 hours) - Teens (8.5-10 hours) - Adults (7.5-9 hours) Circadian Rhythms - About the day - Body’s daily cycle - Sleep Interrupted by: - Hunger - Peeing and pooping Many stay up late Melatonin - Hormone that makes you sleepy Delayed Phase Preference - Melatonin released later in the evening for teens Sleep Deprivation Five hours of sleep or less 50% more likely to be obese Alters eating behavior and metabolism Changes hormone levels When you sleep pituitary gland secretes hormones Increase ghrelin (stimulates appetite) Increase blood pressure 50% of sleep deprived women develop cardiovascular disease Memory Storage Theory - at night the area of the brain that processes learning (hippocampus) is actively working - remember best if you get at least 6 hours of sleep - during REM neurotransmitters replenish ABC Catalyst S12E22 Teenage Sleep – Video - Chronic sleep deprivation is found in teens - Can cause diabetes, obesity, and depression - Light triggers melatonin to stop being produced - Darkness triggers melatonin to be secreted Techniques to fix daily clock: - Wake up when the sun comes up - Be physically active in the morning - No electronics Nutrition Very important in adolescence Vitamin D - Helps with a healthy immune system - Helps with bone mass especially in girls Low iron = fatigue Low calcium = osteoporosis (detrition of disks in spine) older women with hunched backs High fat/sugar = diabetes American Teen Obesity Highest teen obesity rate in industrialized nations 1 in 6 teens are overweight 80% of obese teens stay obese into adulthood Why? - Access to healthy foods - School lunches - Vending machines - Poor habits - Calories from sugar drinks and juice American Lifestyle Drive throguh’s - # of fast food restaurant increases - Quick easy meals - Accommodate people so they don’t have to leave cars Food insecurity - Low income families - Inexpensive, unhealthy food - Processed Increase screen time - Electronics - No actual exercising Food marketing - Green checkmark to say it is healthy - Cereal says whole grain - Full of sugars Obesity in America Video High fructose corn syrup is blamed Excess sugar 7% of middle schoolers are extremely obese The fructose syrup disrupts the leptin in your body, so you believe you’re still hungry when you really aren’t so you over eat. Read labels to products to find what is really in them - Pronounce word? Eating Disorders Affect women and men - Social norms - Advertisements Negative body image - Never happy Issues with food are symbolic of deeper emotional issues A way to deal with stress Gives them emotional control Has to obtain behavior for 3 months, in a row in order to classify as disorder Bulimia Eat but feel guilty Most are normal weight Engage in binge eating (lots of food within 2 hours) Feelings of being out of control Intense food cravings Eat until uncomfortably full Eat when not hungry 2 types 1. Non-purging type - Excessive exercising or fasting 2. Purging type (80-90%) - Vomit, laxatives Russell’s sign - Classis on dominant hand knuckles from purging Anorexia Fear of being fat Fear of losing control Enjoy food- enjoy watching other eat or give others baked goods realizing they have control and others don’t Significant weight loss 2 types 1. Restricting type - Eat very few calories - Knows what is in foods 2. Binge eating/Purging type - Vomiting, laxatives - Excessive exercise Binge-Eating Disorder Binge-eat Don’t attempt to get rid of weight Overweight Can’t stop eating
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