chance-05.08 - NEUROBIOLOGY & BEHAVIOR BIO SCI N110 Spring...

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

View Full Document Right Arrow Icon
NEUROBIOLOGY & BEHAVIOR BIO SCI N110 Spring Quarter 2009 May 8, 2009
Background image of page 1

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

View Full DocumentRight Arrow Icon
Somatic sensory system overview: process mechanical stimuli (touch, vibration, pressure, etc) process pain and temperature Somatic sensory receptors: mechanoreceptors nocireceptors thermoreceptors Sensory transduction: stimulus deforms or otherwise changes the nerve endings, leads to a change in ionic permeability of cell membrane that results in a receptor or generator potential
Background image of page 2
Mechanoreceptors specialized for tactile information
Background image of page 3

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

View Full DocumentRight Arrow Icon
Mechanoreceptors specialized for tactile information with rapidly adapting afferents 40% of mechanosensory innervation of hand encapsulated rapid adaptation low threshold of activation sensitive to touch, pressure encode low frequency vibrations encapsulated (looks like an onion) rapid adaptation low threshold of activation sensitive to vibration, deep pressure possibly encode vibrations of objects held in hand
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 04/14/2010 for the course BIO SCI BIO N110 taught by Professor Leon,chance&parker during the Spring '09 term at UC Irvine.

Page1 / 20

chance-05.08 - NEUROBIOLOGY & BEHAVIOR BIO SCI N110 Spring...

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