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Test Bank for Behavioral Neuroscience, 9th Editio by Marc Breedlove, Neil Watson Chapter 3 Neurophysiology The Generation, Transmission, and Integration of Neural Signals R151,20
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Test Bank for Behavioral Neuroscience, 9th Editio by Marc Breedlove, Neil Watson Chapter 3 Neurophysiology The Generation, Transmission, and Integration of Neural Signals
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Test Bank for Behavioral Neuroscience, 9th Editio by Marc Breedlove, Neil Watson Chapter 3 Neurophysiology The Generation, Transmission, and Integration of Neural Signals

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  • February 19, 2024
  • October 15, 2024
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  • 2023/2024
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Chapter 3: Neurophysiology: The Generation, Transmission, and Integrat
of Neural Signals

1. Neurophysiology the study of the life processes within
neurons that use electrical and chem-
ical signals.

2. An action potential a rapid electrical signal that travels
along the axon of a neuron.

3. A neurotransmitter a chemical messenger between neu-
rons.

4. A neuron at rest is a balance of electrochemical forces.

5. Ions Electrically charged molecules.

6. Anions negatively charged

7. Cations positively charged

8. Ions are dissolved in intracellular separated from the extracellular fluid
fluid, by the cell membrane.

9. A microelectrode inserted into a it is more negative than the extracellu-
resting cell shows that lar fluid.

10. The resting membrane potential is -50 to -80 millivolts (mV) and shows
the negative polarity of the cell's inte-
rior.

11. The cell membrane is a lipid bilayer, with two layers of lipid mol-
ecules.

12. Ion channels proteins that span the membrane and
allow ions to pass.

13. Ion channels open and close in re- voltage changes, chemicals, or me-
sponse to chanical action.

14. Some channels are open all the potassium ions (K+) to cross.
time and allow only

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