Answer Happy

Sound Pathway Activity You are responsible for tracing the pathway of a sound wave from the auricle to the temporal lobe. Be sure to include all appropriate bold structures, including fluids. The travel down the Exercise 14. Special Senses: The Ear directs sound waves into the external ear. The sound wave will the the ossicles to vibrate; first the and lastly the. wave. Next, the stapes moves back and forth, pushing the out, and this movement induces waves in the cifically in the membrane, causing it to vibrate back and forth. This vibration will cause will vibrate, followed by the will vibrate. The vibration of the ossicles amplifies the sound window in and and strike the The fluid of the cochlea, spe- pressure wave is transmitted to and eventually to the window, causing it to bulge into the middle ear. Pressure waves in the two scale chambers will cause fluctuation of fluid in the which produces vibration of the. rons) of the the inner hair cells will initiate a nerve impulse along the of the and finally to the auditory cortex of the is now perceived. membrane that pushes the inner hair cells (neu- against the membrane. The bending of nerve, a branch to the contralateral midbrain, to the thalamus, lobe of the cerebral cortex. Sound