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| the release of the neural impulse consisting of a reversal of the electrical charge with the axon. |
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| brain structure located near the hippocampus, responsible for fear responses and memory of fear. |
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| tube like structure that carries the neural message to other cells. |
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| part of the lower brain located behind the pons that controls and coordinates involuntary, rapid, fine motor movement. |
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| the upper part of the brain consisting of the two hemispheres and the structures that connect the brain. |
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| thick band of neurons that connects the right and left cerebral hemispheres. |
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| branchlike structures that receive messages from the other neurons. |
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| curved structure located within each temporal lobe, responsible for the formation of long-term memories and the storage of memory for location of objects. |
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| small structure in the brain located below the thalamus and directly above the pituitary gland, responsible for motivational behavior such as sleep, hunger, thirst, and sex. |
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| a group of several brain structures located under the cortex and involved in learning, emotion, memory, and motivation. |
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| the first large swelling at the top of the spinal cord, forming the lowest part of the brain, which is responsible for life-sustaining functions such as breathing, swallowing, and heart rate. |
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| the basic cell that makes up the nervous system and that receives and sends messages within that system. |
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| chemical found in the synaptic vesicles that, when released, has an effect on the next cell. |
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| section of the brain located at the rear and bottom of each cerebral hemisphere containing the visual centers of the brain. |
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| sections of the brain located at the top and back of each cerebral hemisphere containing the centers for touch, taste, and temperature sensations |
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| gland located in the brain that secretes human growth hormone and influences all other hormone-secreting glands |
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| Positron emission tomography |
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Definition
| brain-imaging method in which a radioactive sugar is injected into the subject and a computer compiles a color-coded image of the activity of the brain with lighter colors indicating more activity. |
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| an area of neurons running through the middle of the medulla and the pons slightly beyond that is responsible for selective attention. |
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| the cell body of the neuron responsible for maintaining the life of the cell. |
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| microscopic fluid filled space between the synaptic knob of one cell and the dendrites or surface of the next cell. |
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| part of the limbic system located in the center of the brain; this structure relays sensory information from the lower part of the brain to the proper areas of the cortex and processes some sensory information before sending it to its proper area. |
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| endocrine gland found in the neck that regulates metabolism. |
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