Podcast
Questions and Answers
What are the four phases of an action potential?
What are the four phases of an action potential?
Resting potential, Rising phase (depolarisation), Overshoot, Falling phase (repolarisation)
What is the neural code for transferring information over long distances?
What is the neural code for transferring information over long distances?
Frequency and discharge pattern
What causes the generation of an action potential?
What causes the generation of an action potential?
Depolarisation of the membrane beyond a threshold
What is the purpose of patch-clamping in studying ion channels?
What is the purpose of patch-clamping in studying ion channels?
During which phase of the action potential does the Na+ current enter?
During which phase of the action potential does the Na+ current enter?
When does the K+ current enter and peak during the action potential?
When does the K+ current enter and peak during the action potential?
What is the mechanism of inactivation for Na+ channels and what must happen for reactivation?
What is the mechanism of inactivation for Na+ channels and what must happen for reactivation?
What were the major contributions of Hodgkin and Huxley to the study of action potential?
What were the major contributions of Hodgkin and Huxley to the study of action potential?
What is the significance of the voltage-clamp technique in studying the behavior of Na+ and K+ currents during an action potential?
What is the significance of the voltage-clamp technique in studying the behavior of Na+ and K+ currents during an action potential?
What is the challenge in determining why the Na+ current seems to inactivate after depolarization?
What is the challenge in determining why the Na+ current seems to inactivate after depolarization?
