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Know height & weight changes across the lifespan. What is puberty, menarche, semenarche (p. 85)? What are the order of changes in puberty in girls? In boys (p. 84)? Brain Development & Brain weight (text p. 95 & lecture):AgeBrain weightBirth 25% of adult weight2 yrs 75% of adult weight5 yrs 90% of adult weight
Growth (p. 84 & lecture):Average weight/length at birth 20”/7-7.5lbsGrowth rate in first year 1 oz./day, 1 in./monthAverage weight at age 2 27-30lbsGrowth rate from 2yrs to puberty 2-3in/year, 5-6lbs/yrWhose adolescent growth spurt is first? (boys or girls?)Nervous system. (p. 92-101) Neuron, basic parts/functions. CNS: Brain & spinal cord. PNS: Motor, sensory & autonomic nerves (lecture). Know a few basic functions of the 4 lobes (frontal, parietal, temporal occipital) and the cerebellum (text & lecture). 1. frontal-motor cortex= voluntary control of skeletal muscles-broca area= speech production (controls motor speech)-pre frontal cortex= motor inhibition, strategy thinking, risk taking, attention(short term)-stimulants= increase productivity (given to ADHD amphetamine)2. parietal-tactile SENSORYy= touch, joint position, muscle tension, pain-body image-math-spatial ability3. temporal-used for registering hearing and SOUND-Wernicke area= speech comprehension-hippocampus= memory-amygdala= fear and anger4. occipital-occipital= used for processing or VISIONWhat about the adolescent brain (lecture & p. 97-98& box p. 99)? -increases in dopamine neurotransmitter due to hormonal influence-reward oriented-nucleus acumens-myelination not complete until you reach adulthood.-dopamine= ramping during adolescence= doing something pleasurable make you feel it amazing.-lack of control and increase impulseKnow specializations of the left and right hemispheres, which visual field sends information to each hemisphere and which side of the body each hemisphere controls.
Left BrainSequential , step by step processingLaughterLogic, thinking- reasonsLanguage- speechLists Controls right hand Right BrainSimultaneous processing EmotionalFacesMutesPictures/spatialControls left hand Longevity & Aging: (p. 109-114)Lifespan, live expectancy, longevity. What is the current life expectancy in the US – what factors play a part in this? What are centarians & super-centarians?Theories of aging: Cellular clock theory, what are teleomeres? Free-radical theory, mitpchondrial theory, hormaone-stress theory, wear & tear theory.See also caloric restriction & longevity – Ch. 4, p. 134.States of Consciousness & Sleep (Ch 3 & lecture)Know the states of consciousness covered in lecture. Sleep (p. 103-108). Stages of sleep including (REM) P. (104), What are some functions of sleep (p. 103)?