Term
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Definition
An electrically charged particale
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Term
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Definition
| Negatively charged particles |
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Term
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Definition
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Term
| What is the resting voltage of a neuron? |
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Definition
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Term
| What ions are used in the creating of electric activity on the neuron? |
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Definition
Potassium (K+)
Chloride (Cl-)
Sodium (Na+)
Organic Anions (A-) |
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Term
Define Concentration Gradient.
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Definition
| Chemicals move from a high concentration to a low concentration. |
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Term
| Define Electrostatic Gradient |
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Definition
| When opposite charges attract |
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Term
| What causes an increase in the voltage of a neuron? |
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Definition
| The adding of Potassium (K+) or Sodium (Na+) |
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Term
| What causes the decrease in voltage of a Neuron? |
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Definition
| Increase in Chloride (Cl-) molecules |
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Term
| At what threshold does a neuron open the doors for Sodium (Na+) to flow in? |
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Definition
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Term
| What is the peak of electrical activity for a neuron? |
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Definition
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Term
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Definition
| Neuron pushes cations out of cell, using the concentration gradient, to bring the action potential back down to a resting potential |
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Term
| What is an Action potential? |
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Definition
| A short lasting event in which the electrical membrane potential of a cell rapidly rises and falls |
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Term
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Definition
| Summate subthreshold stimuli over space |
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Term
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Definition
| Several subthreshold stimuli over time |
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Term
| Define Saltatory Conduction. |
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Definition
| To leap from node of ranvier to node of ranvier. Takes less than 50% of cell energy to remove Sodium (Na+) |
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Term
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Definition
Excitatory Post Synatic Potential
(Sodium (Na+) goes into cell) |
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Term
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Definition
Inhibitory Post Synaptic Potential
(Increase of Chloide (Cl-) into the cell and Potassium (K+) out) |
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Term
| Define Neural integration |
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Definition
| Algebraic Summation of ions entering and leaving the cell |
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Term
| How would you increase the resting potential to an action potential? |
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Definition
Forced Potassium K+ and/or Sodium Na + into the cell
Forced CL- out of the cell. |
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