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Psychology Chapter 2 Quiz Flashcards

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2995022741GenotypeScientific study of genes0
2995022742PhenotypeScientific study of how genes manifest themselves in terms of behaviors1
2995022743Building blocks of heredityGenes & chromosomes2
2995022744Building blocks of nervous systemNeurons3
29950227453 things glial cells do1. Protect & nourish neurons 2. Remove waste from nervous system 3. Influence growth4
29950227463 neuron parts1. Dendrites 2. Soma (cell body) 3. Axon (transmits impulses)5
2995022747TransductionConverting external energy into an impulse6
2995022748Throbbing sensation after cutInhibitory potential7
2995022749Natural pain killers/inhibitory potentialEndorphins8
2995022750Transduction TO brain/sensoryAfferent neurons9
2995022751Transduction FROM brain/motorEfferent neurons10
2995022752Released in brain/ neurological stability/ Parkinson's from lack of thisDopamine11
2995022753Released in brain or heart/ hippocampus/ lack = Alzheimer'sAcetylcholine12
2995022754Excitatory potentialHeart13
2995022755Inhibitory potentialBrain14
2995022756Nervous system acts on this/ if energy is strong enough to cause impulse, that impulse will fire 100% or none at allAll-or-none principle15
29950227571/1000th of a sec before can fire againAbsolute refractory period16
2995022758Central nervous systemBrain & spinal cord17
2995022759Stem cells can be developed into new brain cells/ 13 yearsHuman genome project18
2995022760Science of discovering how to create new brain cells(neurons)Neurogenesis19
2995022761Brain can be modified by feedback from environment & altered bc of social success (responds physically to experience)Plasticity20
2995022762Only human organ isolated & encased in bone; sound & light proof; floats in cerebral spinal fluid; 3 lbsHuman brain21
2995022763Brain capacity7-20%22
2995022764Take over if brain is damagedAssociation areas23
2995022765Records brain waves activity in monitorEEG24
2995022766Diagnose brain abnormalities; rotating x-Ray scannerCAT scan25
2995022767Cross-section of brain; map of brain depicted in colorsPET scan26
2995022768Most advanced; superior bc higher resolution of image; not exposed to x-Ray hazards; multiple angles of brainMRI27
29950227696 critical structures of brain (limbic system)1. Brain stem 2. Thalamus 3. Amygdala 4. Cerebellum 5. Hippocampus 6. Hypothalamus28
2995022770Major life support center; crucial to life; PONS regulates sleep; RAS determines length of sleep; medulla regulates & controls breathing, blood pressure, heart rate, & muscle controlBrain stem29
2995022771Sensory relay station for all incoming sensory messages; switchboard; all senses go thru this except olfactory (smell) which bypasses itThalamus30
2995022772Regulates & controls very strong emotions (aggression)Amygdala31
2995022773Back of brain; controls body balanceCerebellum32
2995022774Info processor where memories are stored, created, & retainedHippocampus33
2995022775Regulate & control body temp & other activities of hormonal system & basic drives & need for oxygen & where pain/pleasure centers are foundHypothalamus34
29950227764 major lobes of brain1. Frontal 2. Parietal 3. Oxypital 4. Temporal35
2995022777Largest set of lobes; body movement, speech, & cognitive functions; covering is motor cortex; most of brain association areas are here; Broca's area (speech)(Broca's aphasia from damage to area- slow speech)Frontal36
2995022778On top behind frontal; tactile functions (touch, body temp, pleasure, pain); covering is somatal sensory cortex (body sensory)Parietal37
2995022779Back of brain; regulates & correlates visual functions; association areas related to visual memory; covering is visual cortexOxypital38
2995022780Sides of brain; processing auditory stimuli (hearing); covering is auditory cortex; Wernicks area (Wernicks aphasia = can't understand spoken language & difficulty finding proper words to express self)Temporal39

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