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Hearing device how to unboxing and demo of auditory brain stem ABR and ASSR machine or how to guide and tutorial of auditory brain stem. Auditory brainstem response,The auditory brainstem response test (also known as ABR or BAER) is used for two purposes: To test hearing thresholds. To assess the functional status of the auditory neural pathway, which is used to determine the cause of hearing loss and candidacy for hearing loss treatments. ASSR is evoked using repeated sound stimuli presented at a high repetition rate, whereas ABR is evoked using brief sounds presented at a relatively low repetition rate. ABR recordings are most often dependent on the examiner subjectively reviewing the waveforms and deciding whether a response is present. Auditory Brainstem Response (ABR) Test (for Parents) - Kids newborn failed hearing test one ear,    / @infomedix-tech