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In observation studies,it is normally not necessary to ask a person who is being observed to state his or her gender,since that characteristic can be observed.
Loss of Balance
A disturbance that causes individuals to feel unsteady, dizzy or have a difficulty in maintaining the body's natural equilibrium.
Oval Window
A membrane-covered opening that leads from the middle ear to the inner ear and is involved in the process of hearing.
Eardrum
A thin membrane that separates the outer ear from the middle ear and vibrates in response to sound waves.
Vestibular Sacs
Structures in the inner ear involved in maintaining balance and spatial orientation by detecting gravity and linear movement.
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