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The Brain Unit: AP Pysch Flashcards

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5227595631Corpus CallosumAxon fibers connecting the two hemispheres, severing this causes split brain0
5227595632Brain Stemserves as a bridge between the brain and the body, made up of the Pons, Medulla, Spinal Cord, Recticular Formation, Thalamus, Cerebellum1
5227595633Limbic SystemsDeals with emotion and drives, made up of the Amygala, Hippocampus, Hypothalamus2
5227595634Frontal LobeContains the motor cortex and is involved in planning, judgement and decision making3
5227595635Parietal LobeContains the sensory cortex and receives sensory input for touch and movement4
5227595636Occipital LobeProcesses visual data and routes it to other parts of the brain5
5227595637Temporal LobeControls memory, storage, emotio, hearing and on the left side, language.6
5227595638Cerebral Cortexall lobes and cortexes (home of all 40 billion neurons)7
5227595639Broca's Areacontrols speech and muscle movements in order to speak8
5227595640Wernicke's Areadeal with comprehension and word recognition of spoken language9
5227595641glial cellcells in the nervous system that support, nourish, and protects neurons10
5227595642Aphasiaimpaired use of languages caused by damage to language areas11
5227595643Denritebranching extension that receive incoming messages.12
5227595644Axonsingle extension of neurons that carry messages.13
5227595645Myelin Sheathinsulates axon and speeds along messages14
5227595646Terminal Brancheshouse the synaptic vesicle that relay messages15
5227595647Cell Bodycontains nucleus16
5227595648Vesicleshold neurotransmitters17
5227595649Polarizationnegative ions inside positive ions outside.18
5227595650Depolarizationions channels open, positive and negative switch19
5227595651Repolarized MembraneState in which neurons are ready to fire again20
5227595652Thresholdlevel must be reached to fire21
5227595653Action Potentialbrief electrical charge22
5227595654All-or-none Responseimpulse does not vary in strength, either it fires or it doesn't23
5227595655serotonintoo little can lead to depression24
5227595656Refractory Periodtime in which neuron cannot fire.25
5227595657NeurotransmittersAch, Seratonin, Norepinephrine, Dopamine, Endorphins, GABA, Glutamate, & Melatonin26
5227595658Receptor Siteswhere neurotransmitters attach27
5227595659Reuptakereabsorption of access neurotransmitters by the sending neuron28
5227595660Antagonists vs Agonistsantagonists block reception, agonists mimic NT's29
5227595661CNSbrain and spinal cord30
5227595662PNSnerves the connect body to brain31
5227595663Autonomicunconscious & involuntary32
5227595664Somaticconscious & voluntary33
5227595665SympatheticFight of Flight34
5227595666ParasympatheticRest & Digest35
5227595667Hormoneschemical messenges36
5227595668Pituitary Glandmaster gland37
5227595669Thyroid Glandmetabolism38
5227595670Adrenal Glandmetabolic processes39
5227595671Reproductive Glandvigor and sex drive40
5227595672EEGbrain waves measured41
5227595673CAT3D xray of brain structure42
5227595674MRImagnetic and radio waves for density and location43
5227595675fMRIlinks brain structure to activity44
5227595676PETradioactive glucose to track brain function.45
5227595677Reticular Formationnerve network in brain stem the helps control Arousal46
5227595678Motor Cortexrear of frontal lobe the controls voluntary movements47
5227595679Sensory Cortexarea at front of parietal lobe the registers and processes body touch and movement sensations48
5227595680Cerebral Cortex (Brain Map)a wrinkly covering of brain 1/8 in thick. Bodies ultimate control and into processing center is made of many glial cells.49
5227595681Parietal Lobe (Brain Map)is the portion of cerebral cortex lying at the top of head and toward rear. It receives sensory input for the body positions.50
5227595682Occipital Lobe (Brain Map)portion of the cerebral cortex lying at the back of head. It included visual area which receives info from the opposite visual field51
5227595683Cerebellumlittle brain attached to rear of brain stem dealing with coordinating balance & movement, but also implicit, procedural long term memory.52
5227595684BrainstemOldest part and central core of brain beginning where spinal cord swells and enters skull. Is responsible for automatic survival functions.53
5227595685Medullaat the base of the brain stem. Controls heartbeat and breathing54
5227595686Ponscoordinate muscles movement. The cross-over point where most nerves to and from each brain side connect.55
5227595687Amygdala2 lima beans sized neural clusters that are components of limbic system and linked to emotion (fear & aggression)56
5227595688Hyptothalamuslies below thalamus. It is a neural structure, directs maintenance activities (eating, drinking, sex drives, & body temp) Helps govern endocrine systems via pituitary gland.57
5227595689Thalamusbrain's sensory switch board, located at top to brain stem. It directs messages to memory receiving ares in cortex and transmit replies to cerebellum and medulla.58

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