Term
| what nuerons make the initial contact with the environment and are responsible for carrying the message inward toward the spinal cord and brain |
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| which nuerons make no direct contact with the world, but convey info from one internal processing site to another |
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| which nuerons carry the messages and commands away from the central nervous system to the muscles and glands that produce responses |
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remove waste
fill in empty space
help nuerons to communicate efficiently |
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| protects the neuron and helps speed up neural transmission |
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primary info recievers
look like tree branches |
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| main body of the cell where info is processed |
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| an electrical message sent down neurons axon to other neurons |
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| a small gap between cells |
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| tiny swells at the end of each dendrite branch |
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| the tiny electrical charge in place between the inside and outside of the resting neuron |
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| the electrical signal that travels down the axon |
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| chemical messages taht relay info from one neuron to another |
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| involved in dampening and stabilizing communication in the brain helps ensure smooth motor functions |
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| regulates sleep dreaming and general arousal may play a role in psyc disorders and depression |
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regulates anxiety
tranquilizing drugs use it |
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| morphinelike chemicals that act as the brain's natural painkillers |
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Definition
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| mimic the action of neurotransmitters |
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Definition
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| oppose or block the action of neurotransmitters |
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Definition
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| bundles of axons that make up several transmission cables |
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Definition
| consists of nerves that transmit sensory info toward the brain and muscles |
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Definition
controls the more automatic needs of the body
heart rate, digestion, blood pressure, and the activities of the internal glands |
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Term
| electroencephalograph EEG |
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Definition
| moniters the gross electrical activity of the bran |
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Term
| Computerized tomography scan CT scan |
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Definition
| uses comps to detect how xrays change as they pass through the body |
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| positron emission tomography PET |
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Definition
| ingest a harmless radioactive substance and then makes a picture of how it distributed over time |
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| map changes in blood or oxygen flow as the patient thinks or behaves |
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| basic life-support system |
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| regulation of eating drinking body temp and sexual behavior |
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Definition
| motivational and emotional behaviors |
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Definition
| the collection of nerve fibers that connects the 2 cerebral hemispheres and allows infor to pass from one side to another |
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| a network of glands that uses the BLOODSTREAM to send chemical messages and regulates growth and internal function |
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Definition
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| endocrine system regulates |
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Definition
| growth and internal funcitons |
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| a person's observable characteristics such as hair color |
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Definition
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| what controls the phenotype |
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Definition
genotype
and possibly the environment |
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| the actual genetic info inherited from one's parents |
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| important for the formation of memories particurlarly for specific events |
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Definition
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| someone in a coma would show damage to the |
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| key functions of the medulla and pons |
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Definition
| basic life support such as heart rate breathing and blood pressure |
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| coughing would show brain activity in the |
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Definition
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| making a cat fall asleep would happen in the |
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| acting as an importand gathering point for sensory input |
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| coordinated movements due to |
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| key role in release of hormones |
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Definition
| the control of motivational and emotional behaviors |
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| activation of amygdala happens when |
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Definition
| look at faces showing fear, anger, sadness, or happiness |
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| pleasure center located in the |
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| personality associated with |
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| primary motor cortex located in the |
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| key functions of parietal lobes |
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Definition
| processsing of nueral signals related to touch |
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| auditory info is processed within the |
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Definition
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| technique used to monitor overall activity |
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Definition
| an electroencephalogram EEG |
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| technique that uses radioactive chemicals |
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Definition
| positron emmission topography PET |
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Definition
| obtain extremely detailed, 3 dimensional images of the brain |
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| sense of touch is mainly localized in the |
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Definition
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| had a stroke and has no feeling in left hand probably damage to |
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| language is largely a what hemisphere function |
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| right side of brain involves |
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| localization occurs for functions handled by |
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| physical or psychological traits that solve specific survivial problems |
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Definition
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| he actual genetic message encoded in teh person's chromosomes |
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Definition
| a person's observable characteristics |
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Definition
| where all the excitatory and inhibitory potentials are combined |
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Term
| neural impulse is transferred to the next neuron via |
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Definition
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| what is NOT a neurotransmitter |
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Definition
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| overproduction of dopamine is associated with |
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Definition
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| underproduction of acetylcholine linked to |
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Definition
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| alleviating depression is associated with |
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Definition
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| the brief time period when another neural impulse cannot occur is called |
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Definition
| the absolute refractory period |
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Term
| brain and spinal cord comprise |
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Definition
| the central nervous system |
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Term
| neural messages are transmitted from feet to leg to spinal cord by |
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Definition
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| heart starting to race and perspiration in reaction to an event have to do with |
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Definition
| sympathetic nervous system |
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| calming down after an event is done by |
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Definition
| parasympathetic nervous system |
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| researchers that lnked specific brain injuries to behavioral deficts were using |
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| case study method research |
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| studies that artificially create electrochemical messages in the brain |
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Definition
| are only used with nonhuman brains like rats |
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