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(auditory brainstem response)

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  • 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

  • auditory brainstem response — (ABR) for sensorineural hearing loss: a test that tracks nerve signals arising in the internal ear as they travel along the auditory nerve to the brain region responsible for hearing. A small speaker placed near the ear makes a clicking sound,… …   Medical dictionary

  • Auditory brainstem response (ABR) test — A test for hearing and brain (neurological) functioning. ABR may be used in the evaluation of: {{}}Neurologic integrity (and hearing) in patients who are comatose, unresponsive, or impaired due to a stroke, an acoustic neuroma (tumor on the… …   Medical dictionary

  • ABR (auditory brainstem response) test — A test for hearing and brain (neurological) functioning. ABR may be used in the evaluation of: {{}}Neurologic integrity (and hearing) in patients who are comatose, unresponsive, or impaired due to a stroke, an acoustic neuroma (tumor on the… …   Medical dictionary

  • Test, auditory brainstem response (ABR) — A test for hearing and brain (neurological) functioning. ABR may be used in the evaluation of: {{}}Neurologic integrity (and hearing) in patients who are comatose, unresponsive, or impaired due to a stroke, an acoustic neuroma (tumor on the… …   Medical dictionary

  • Auditory neuropathy — is a variety of hearing loss in which the outer hair cells within the cochlea are present and functional, but sound information is not faithfully transmitted to the auditory nerve and brain properly. A neuropathy simply refers to a disease of the …   Wikipedia

  • Auditory system — The auditory system is the sensory system for the sense of hearing. Ear Outer ear The folds of cartilage surrounding the ear canal are called the pinna. Sound waves are reflected and attenuated when they hit the pinna, and these changes provide… …   Wikipedia

  • Brainstem auditory evoked potentials — Auditory evoked potentials (AEPs) are a subclass of Event related potentials (ERPs). For AEPs, the event is a sound. AEPs (and ERPs) are very small electrical voltage potentials originating from the brain recorded from the scalp in response to an …   Wikipedia

  • response — 1. The reaction of a muscle, nerve, gland, or other excitable tissue to a stimulus. 2. Any act or behavior, or its constituents, that a living organism is capable of emitting. Reflexes are usually excluded because they are typically elicited by a …   Medical dictionary

  • auditory evoked potential — (AEP) in electroencephalography, changes in waves in response to sound; see also brainstem auditory evoked p …   Medical dictionary

  • Primary auditory cortex — Infobox Brain Name = Primary auditory cortex Latin = GraySubject = GrayPage = Caption = Brodmann areas 41 42 of the human brain. Caption2 = The Primary Auditory Cortex is highlighted in magenta, and has been known to interact with all areas… …   Wikipedia