Assignment task:
Action potentials occur in response to graded potentials that reach threshold. They are necessary for the communication of information to, from, and within the brain. Your ability to read this page and to understand its message, to laugh and cry, to think and feel, to see and hear, and to move your muscles, depends on action potentials.
Assignment Instructions:
Please include BOTH of the following in your discussion post this week.
Q1. Describe the events that take place during an action potential. What are the three phases of the action potential? Include all ion movements and polarity changes that take place during the various phases of the action potential.
Q2. What is the all-or-none principle of action potentials? How is this different from graded potentials?