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Biological Bases of Behavior Flashcards

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10877048520DendritesReceives messages from other neurons0
10877048521SomaThe cell body of the neuron1
10877048522AxonTransmits the message down the neuron2
10877048523Myelin sheathProtects the axon and speeds up the message3
10877048524Terminal ButtonsSends the message to other neurons4
10877048525Action potentialThe electric message that is sent down a neuron5
10877048526All-or-noneThe concept that once the threshold for stimulation has been reached, the neuron fires off6
10877048527Refractory periodThe time it takes for a neuron to recover before it can fire again7
10877048528ReuptakeThe sending neuron reabsorbing neurotransmitters8
10877048529SynapseThe space between neurons where the chemical transfer takes place9
10877048530AcetylcholineNeurotransmitter critical for motor movement, learning, and memory. A deficit results in Alzheimer's disease.10
10877048531DopamineNeurotransmitter responsible for motor movement, alertness, attention. A deficit coincides with Parkinson's, while an excess coincides with Schizophrenia.11
10877048532EndorphinsNeurotransmitter responsible for pain control, stress, pleasure. Natural opiates. Also involved with drug addiction.12
10877048533GABABrain's major inhibitory neurotransmitter13
10877048534GlutamateBrain's major excitatory neurotransmitter14
10877048535NorepinephrineNeurotransmitter responsible for "Fight or flight.:" A deficit can lead to depression.15
10877048536SerotoninNeurotransmitter responsible for mood regulation and hunger. A deficit will lead to depression.16
10877048537Frontal lobeWhere complex thinking, short-term memory, and decision making occurs17
10877048538Temporal lobeProcesses sounds18
10877048539Parietal lobeProcesses sensory information19
10877048540Occipital lobeProcesses vision20
10877048541HippocampusStores long-term memories21
10877048542AmygdalaInvolved in fear and anger responses22
10877048543ThalamusSends sensory information to the correct part of the brain EXCEPT SMELL23
10877048544CerebellumInvolved in muscular activity and balance24
10877048545HypothalamusProcesses metabolic processes25
10877048546PonsResponsible for transmitting messages between cortex and cerebellum. REM sleep also originates here.26
10877048547Reticular formationControls sleep/wake cycle and general arousal27
10877048548MedullaControls the heart and lungs28
10877048549CortexOuter layer of neural tissue. Plays an important role in consciousness.29
10877048550Corpus callosumConnects the two hemispheres of the brain.30
10877048551Broca's AreaProduces speech31
10877048552Wernicke's AreaInterprets speech32
10877048553Olfactory bulbProcesses your sense of smell33
10877048554CT ScanProduces a 2D image of the brain based on x-rays taken around a single axis34
10877048555MRIUses a magnetic field to produce a detailed image of the brain35
10877048556EEGShows activity levels of the brain36
10877048557fMRIShows which parts of the brain are active due to blood flow37
10877048558PET ScanShows which parts of the brain are active due to glucose processing38
10877048559PlasticityThe brain's ability to modify or repair itself39
10877048560Split brain procedureCutting the brain's corpus callosum to treat epilepsy40
10877048561Sensory nervesTransmits information to the brain (afferent)41
10877048562Motor nervesTransmits information to limbs and organs (efferent)42
10877048563Somatic Nervous SystemNervous system responsible for voluntary movement.43
10877048564Autonomic nervous systemNervous system responsible for automatic functioning of the body44
10877048565Sympathetic nervous systemNervous system that causes the "fight or flight" response45
10877048566Parasympathetic nervous systemNervous system that causes the "rest and digest" response46
10877048567Pituitary glandThe "master gland" that regulates all other glands47
10877048568Adrenal glandCoordinates with the sympathetic nervous system to release adrenaline to produce "fight or flight" response48
10877048569Pineal glandReleases melatonin to induce sleep49
10877048570NeuronCell that receives, processes, and transmits information50
10877048572NeurotransmittersChemical messengers used by the nervous system51
10877048574Lobes of the brainFrontal, temporal, parietal, occipital52
10877048575Limbic systemSystem of the brain dealing with memory and emotional functioning; hippocampus, amygdala, thalamus, cerebellum, hypothalamus53
10877048577Structural brain imaging techniquesCT and MRI54
10877048578Which brain imaging technique gives the best picture?MRI55
10877048579Functional imaging techniquesEEG, fMRI, PET56
10877048580What part of the body is processed by the right hemisphere?The left side57
10877048581What part of the body is processed by the left hemisphere?The right side58
10877048582Which hemisphere of the brain processes speech?The left hemisphere59
10877048583Parts of the central nervous systemThe brain and spinal cord60
10877048584What part of the body processes reflexes?The spinal cord61
10877048585Parts of the peripheral nervous systemSomatic and Autonomic62
10877048586Parts of the autonomic nervous systemSympathetic and Parasympathetic63
10877048587The master glandPituitary gland64
10877048588Part of the brain that controls the endocrine systemHypothalamus65
10877048589Endocrine systemReleases hormones into the bloodstream; composed of glands66
10877048590HormonesChemical messengers of the endocrine system67
10877048591Gazzaniga and SperryConducted the split brain procedure68

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