Slide 1 1 5. Chemical basis of action potentials a. Sodium hypothesis: (Hodgkin and Katz, 1949) [Na + ] e reduction affects a.p., not E M Proposed Na + hypothesis: a.p due…

LECTURE 4: MEASURING MEMBRANE CONDUCTANCE AND CAPACITANCE & VOLTAGE-CLAMP RECORDING REQUIRED READING: Kandel text, Chapters 8, 9 (beginning), pgs 140-153 We have talked…

FileNewTemplate The Nervous System Section 35-3: Divisions of the Nervous System Do Now 3/1/13 What is the process that keeps internal conditions relatively constant despite…

FileNewTemplate The Nervous System Section 35-3: Divisions of the Nervous System Do Now 3/1/13 What is the process that keeps internal conditions relatively constant despite…

LECTURE 4: MEASURING MEMBRANE CONDUCTANCE AND CAPACITANCE & VOLTAGE-CLAMP RECORDING REQUIRED READING: Kandel text, Chapters 8, 9 (beginning), pgs 140-153 We have talked…

History Luigi Galvani found in the 18th century that the muscle of a dead frog would twitch if electricity passed through it. These experiments lead to tons of research in…

Descartes K&W 4-1 Descartes View Luigi Galvani (1737-1798) Electrified Frogs Luigi Galvani Frog legs attached to wire in market Electrical storm made legs move Early…

Neuron Anatomy The nervous system also allows you to react to a stimulus. A stimulus is a change in the environment. Example: A hot stove Or⦠tripping over a rock Structure…

Electrochemical Impulse Electrochemical Impulse SBI 4U Some Interesting Facts about the Neuron Longevity – can live and function for a lifetime Do not divide – fetal…