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otosclerosis

n. a formation of spongy bone that develops in the middle ear and immobilizes the stapes at the point of attachment to the oval window facing the inner ear. Otosclerosis is marked by progressive deafness as the ossicles fail to transmit vibrations from the tympanic membrane to the inner ear. It is considered hereditary. —otosclerotic adj.

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Psychology term of the day

May 9th 2024

postural aftereffect

postural aftereffect

a change in posture that arises as an aftereffect of prior stimulation. For example, when viewing a moving scene, a person typically leans in the direction of the motion. When viewing ends, body posture returns to a vertical position and then, briefly, leans in the opposite direction.