Science Quiz / Neuroscience: Chapters 4 & 5

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Can you name the key terms from Chapters 4 & 5?

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DescriptionTerm
Packaging for neurotransmitter molecules
Monoamine, catecholamine, associated with drugs
A computer-assisted x-ray procedure that can be used to visualize the brain and other internal structures of the living body
Produces images representing increases in oxygen flow in the blood(BOLD signal) to active areas of the brain
Monoamine, indolamine, associated with mood regulation
When a coolant is pumped through an implanted cryoprobe, neurons near the tip are cooled until they stop firing
A method of neuronal integration of signals; local EPSPs that are produced simultaneously on different parts of the receptive membrane whose sum produces a greater EPSP
Receptors that are associated with ligand-activated ion channels
Amino acid neurotransmitter; most prevalent excitatory nt. in CNS
Provides functional brain images rather than structural brain images using 2-DG
Level of depolarization required to create an action potential, usually ~ -65 mV
Postsynaptic hyperpolarizations
The period during which it is possible for the neuron to fire again, but only by applying higher than normal levels of stimulation
Gaps between adjacent myelin segments that expose axon and allow ions to pass through
Nodules of various shapes that are located on the surgace of many dendrites
Narrow spaces between adjacent neurons that are bridged by fine tubular channels
A procedure in which high-resolution images are constructed from the measurement of waves that H2 atoms emit when they are activated by radio-frequency waves in a magnetic field
DescriptionTerm
Small-molecule neurotransmitter, synthesized by adding an acetyl group to a choline molecule by ad
When postsynaptic potentials produced in rapid succession at the same synapse sum to form a greater EPSP
Example of an endocannabinoid nt.
Monoamine, catecholamine, associated with stress responses
A massive but momentary reversal of the membrane potential from about -70 mV to about +50 mV
Postsynaptic depolarizations
Amino acid neurotransmitter; most prevalent inhibitory nt. in CNS
A brief period after the initiation of an action potential during which it is impossible to elicit a second one
Specialized pores in the neural membrane, each type of which is specialized for the passage of particular ions
The process of neurotransmitter release
Steady membrane potential of about -70 mV in a neuron
Uses infusion of a radio-opaque dye into a cerebral artery to visualize the cerebral circulatory system during x-day photography
A gene inserted into cells to track which ones are active
Receptors that are associated with signal proteins and G-proteins
Ion channels that open or close in response to the changes in the level of the membrane potential
Energy-consuming mechanisms int he cell membrane that continually exchange 3Na+ ions inside the neuron for 2K+ ions outside the neuron

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