Lecture_10_7

Lecture_10_7 - Different free nerve endings (FNE) within...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Different free nerve endings (FNE) within Duckman's foot are activated as a function of time and space resulting in neural integration A B C We measure voltage at point C time Δ V time time time time time Increase τ results in temporal integration Due to A Due to B Sum
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
But for stimulation that overlaps in time (for example if a bigger pebble was stepped on) faster time constant is better time Δ V time Due to A Due to B time Sum A faster time constant would make for higher peak voltages Therefore the optimal time constants depend on the situation
Background image of page 2
Different free nerve endings (FNE) within Duckman's foot are activated as a function of time and space resulting in neural integration A B C We measure voltage at point C time Δ V time time Increase λ results in better spatial integration time time time
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Recording electrode 1 (e1) Recording electrode 2 (e2) Stimulating electrode 1 Spike initiation zone (SIZ) Action Potential Module III.A.1. Experimentally simplifying the question. What you will learn in this module 1. You will learn that although passive electrical properties are important for neural integration, they are not adequate to carry neural information over long distances. 2. You will learn what an action potential is. 3. You will learn the mechanisms behind action potential generation. 4. You will learn about the importance of channels in neural signaling and that the conformation of channels can be changed by influences such as the voltage across the cell membrane, ionic concentrations, and time. 5. You will once again see the importance of the chemical and electrical forces in neural signaling as these forms of stored
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 11/22/2009 for the course NPB 100 taught by Professor Chapman during the Fall '08 term at UC Davis.

Page1 / 8

Lecture_10_7 - Different free nerve endings (FNE) within...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online