Lecture 4 - Sensory Mechanisms-Updated

Transmission of the energy of its movements to

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: bend and the stereocilia within it to 6lt to one side •  The 6l6ng ac6on creates a signal that travels to the brain to tell it the movement and posi6on of your head 14 Mechanorecep6on and audi6on •  Audi6on –  Ability to detect and interpret sound waves –  Short wavelength have high frequency and it is perceived as high pitch or tone –  Long wavelength have lower frequency and it is perceived as a lower pitch –  Hairs of different length detect different frequencies 15 Mechanorecep6on and audi6on •  Anatomy of human ear 16 Mechanorecep6on and audi6on •  Sound vibra6ons received by the outer ear are transmiied by the eardrum and amplified by the three bones in the middle ear. •  Transmission of the energy of its movements to vibra6ons of the oval window of the cochlea •  Vibra6ons of the oval window cause fluid pressure waves in the cochleal fluid in both canals at nearly the same 6me •  Specialized hair cells in the cochlea contains stereocilia supported by the basilar membrane 17 Mechanorecep6on a...
View Full Document

This document was uploaded on 03/05/2014.

Ask a homework question - tutors are online