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45 Cards in this Set
- Front
- Back
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glial cells |
support cells |
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neurons |
communicating cells |
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dendrites |
receive info from other neurons |
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axon |
sends info to other cells |
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myelin shealth |
insulates axon |
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terminal buttons |
release chemical messengers |
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cell body |
contains dna and other cellular structures |
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neural communication: electrical |
within a neuron |
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neural communication: chemical |
between neurons |
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electrical signals: the action potential |
electrical signal that travels down axon |
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chemical signals: synaptic transmission synapase |
junction between a sending neuron and a receiving neuron where neuro transmitters are released |
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neurotransmitters |
chemicals released by neurons that alter activity in other neurons |
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neurotransmitters |
serotonin norepinephrine GABA gluteamate dopamine |
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cns |
brain and spinal cord |
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psn |
peripheral nerves |
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peripheral nervous system |
somatic voluntary sensory and motor automatic involuntary-sypathetic- parasympethetic |
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autonomic nervous system |
sympathetic arouses parasympathetic calms |
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sympathetic nervous systems NS AROUSES |
pupils dialate less salvation more heart rate blood vessels constrict lungs dialate sweating up glucose release |
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parasympathetic ns CALMS |
pupils constrict more salvation less heart rate blood vessels dialte lungs constrict no sweating |
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the brain has |
two hemispheres cerebellum and brainstem cortex limbic system |
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what are two methods for seeing the brain structure |
computerized axial tomography, CAT SCAN magnetic resonance imaging MRI |
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what is a CAT scan |
x rays of the brain used to generate cross sectional and 3d views of the brain |
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what is an MRI |
brain tissue visualized with magnetic fields and radio waves |
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what does the left hemisphere do |
language math logic right side of the body local details |
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what does the right hemisphere do |
spatial skills emotion music left side of body
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corpus callosum |
bundle of fibers that connects the two hemispheres |
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cerebellum |
coordinated movement balance |
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brain stem |
heart beat breathing |
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four lobes |
frontal lobe temporal lobe parietal lobe occipital lobe |
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frontal lobe |
execitive functioning language movement |
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prefrontal cortex executive funtioning |
goal directed behavior problem solving decision making inhibition |
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broca's area |
speech output frontal lobe |
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broca's aphasia |
difficulty with motor output non fluent few words |
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parietal lobes |
touch sensation and spatial skills |
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temporal lobes |
memory face recognition hearing |
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wernickes area |
temporal lobe language comprehension
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wernickes aphasia |
many words nonsense fluent speech |
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occipital lobes |
vision |
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limbic system |
structures involved in emotion and memory |
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hippocampus |
forms new memories |
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amygdyla |
emotion |
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basal ganglia |
structures control movement and skill learning |
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thalamus |
relay station |
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hypothalamus |
hormones sleeping autonomic ns four f's: fighting feeding fleeing fornicating |
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pituitary gland master gland |
hormone regulation |
