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

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