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When angry or frightened, a cat will lay back its ears to accompany the growling or hissing sounds it makes. Cats also turn their ears back when they are playing or to listen to a sound coming from behind them. The fold of skin forming a pouch on the lower posterior part of the ear, known as Henry's pocket, is usually prominent in a cat's ear. [6]
Human vestibular system of the semicircular canals in the inner ear. The vestibular system, in vertebrates, is a sensory system that creates the sense of balance and spatial orientation for the purpose of coordinating movement with balance.
When listening for something, a cat's ears will swivel in that direction; a cat's ear flaps can independently point backwards as well as forwards and sideways to pinpoint the source of the sound. Cats can judge within 8 centimetres (3 inches) the location of a sound being made 1 metre (1 yard) away [ 13 ] —this can be useful for locating ...
Prominent Henry's pocket of a domestic cat. In animal anatomy, Henry's pocket, more formally known as a cutaneous marginal pouch, is a fold of skin forming an open pouch on the lower posterior part of the external ear. [1] The pocket is situated in the approximate location of the antitragus in the human ear.
The vestibular duct or scala vestibuli is a perilymph-filled cavity inside the cochlea of the inner ear that conducts sound vibrations to the cochlear duct. [1]It is separated from the cochlear duct by Reissner's membrane and extends from the vestibule of the ear to the helicotrema where it joins the tympanic duct.
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An evoked response study of congenitally deaf kittens used local field potentials to measure cortical plasticity in the auditory cortex. These kittens were stimulated and measured against a control (an un-stimulated congenitally deaf cat (CDC)) and normal hearing cats.
Animals with a greater ear distance can localize lower frequencies than humans can. For animals with a smaller ear distance the lowest localizable frequency is higher than for humans. If the ears are located at the side of the head, interaural level differences appear for higher frequencies and can be evaluated for localization tasks.