normal hearing threshold

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• Hearing (sense) — Hearing (or audition) is one of the traditional five senses. It is the ability to perceive sound by detecting vibrations via an organ such as the ear. The inability to hear is called deafness.In humans and other vertebrates, hearing is performed… …   Wikipedia

• Hearing impairment — See also: Deaf culture for the social movement.. Deaf and/or hard of hearing Classification and external resources The International Symbol for Deafness …   Wikipedia

• Hearing range — for more detail on human hearing see Audiogram,Equal loudness contours and Hearing impairment. Hearing range usually describes the range of frequencies that can be heard by an animal or human, though it can also refer to the range of levels. In… …   Wikipedia

• Hearing test — A hearing test is an evaluation of the sensitivity of a person s sense of hearing, most often performed by an audiologist using an audiometer. Audiologists are the only health professionals with extensive training on the anatomy and physiology of …   Wikipedia

• Absolute threshold of hearing — The absolute threshold of hearing (ATH) is the minimum sound level of a pure tone that an average ear with normal hearing can hear with no other sound present. The absolute threshold relates to the sound that can just be heard by the… …   Wikipedia

• Pain threshold — The term pain threshold refers to the maximum intensity or duration of a sensory stimulus at which the body shuts down. In scientific literature the term is clearly differentiated from the term pain tolerance. Pain threshold is the minimum… …   Wikipedia

• King-Kopetzky syndrome — is an auditory disability with appears clinically as a “normal” hearing threshold. It is also known as obscure auditory dysfunction (OAD) The role of a family history in King Kopetzky syndrome (Obscure Auditory Dysfunction). Stephens D., Zhao… …   Wikipedia

• ADN — is a three letter acronym that may refer to:In Technology: *Adobe Digital Negative, a RAW image format designed by Adobe Systems *Application Delivery Network, a suite of technologies that, when deployed together, provide application availability …   Wikipedia

• Pure tone audiometry — (PTA) is the key hearing test used to identify hearing threshold levels of an individual, enabling determination of the degree, type and configuration of a hearing loss. Thus, providing the basis for diagnosis and management. PTA is a subjective …   Wikipedia

• ear, human — ▪ anatomy Introduction       organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium).  The human ear, like …   Universalium

• Auditory brainstem response — The auditory brainstem response (ABR) is an auditory evoked potential extracted from ongoing electrical activity in the brain and recorded via electrodes placed on the scalp. The resulting recording is a series of vertex positive waves of which I …   Wikipedia