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V

Vertigo - dizziness or a sensation of whirling or irregular motion that arises from problems within the vestibular portion of the inner ear. Objective vertigo is the name given the sensation that the world is spinning about the patient. Subjective vertigo indicates the patient feels he is moving in space. adj: vertiginous

Vestibule - portion of inner ear between cochlear and semicircular canals. It contains the saccule and the utricel.

Visual Reinforcement Audiometry (VRA) - a hearing test which presents a aural stimulus and rewards the child's response by visually presenting a lighted toy or object

Volume - used interchangeably for either intensity or loudness

VRA - see Visual Reinforcement Audiometry

W

Waardenburg Syndrome - a combination of symptoms that include hereditary deafness, appearance of a broad nasal bridge, different colored eyes, and a streak of white hair in the middle of the forehead

Warble tone - a tone resulting from rapid modulations of frequency within fixed limits around the basic pure tone frequency. Commonly used in real ear measurements as they are not easily influenced by standing waves from reflective surfaces.

Wave, sound - a change in the arrangement of molecules in a medium into successive patterns of compression and rarefaction

Wax Loop - a tool used to clean out wax from hearing aids

Whisper test - an obsolete and inadequate method of testing hearing

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