Auditory Steady-State Response (ASSR)

    For children who are too young, Auditory Steady state
    response is an objective test used for evaluation of their hearing ability. If the screening of the new born indicates possible hearing loss, they are referred to ASSR. The ASSR results can be used to estimate pure-tone audiogram. For the children under 6 months of age, ASSR is performed when they are in natural sleep. In case of older children, sedation is suggested. The results are obtained by analyzing the brain activity when the person listens to the tone of varying pitch.

    Newborn Hearing Screening

    The hearing test for the newborns should be done by one month age, preferable before the baby and the mother are discharged from the hospital. The hearing test for newborns is called the Automated Otoacoustic Emission. It takes a few minutes. The screening test helps identify babies with hearing loss. Early identification of the hearing loss helps parents get support and necessary advice they need right from the beginning

    Auditory Brain Stem Response Test

    The ABR test calibrates the reaction of the parts of the child’s nervous system to sound. The test helps to specifically monitor the performance of the hearing nerves response to the sound. The ABR test is prescribed if a newborn baby fails the hearing screening test. The test is also recommended for the older children if they have trouble with hearing.


    This acoustic evaluation is used to examine the performance of the middle ear or ear drum and the conduction bones. The audiologist introduces a small earphone like device. This device will blow air into your ear. The audiologist observes the performance of the ear on the tympanograms. The information on the graph explains the audiologist the ear drum’s performance, its movement. The test reveals if there is any damage to the ear drum, growing infection in the ear, formation of middle ear fluid, a hole to the ear drum, etc.

    Reflex Audiometry

    The reflex audiometry or acoustic reflex is a method used to measure the function of the middle ear. The measurements are calibrated on tympanogram by increasing the acoustic pressure in the external ear canal. Reflex audiometry measures the total resistance a sound wave encounters when it progresses through from the middle ear to the cochlear receptor. The measurement is simple with sophisticated equipment in a quiet room.

    Eustachian Tube Function Test

    There are various methods for measuring Eustachin Tube function. Tympanometric test can be used along with several manometric and nine-step tests. The Eustachian tube connects the middle ear cavity with nasopharynx. The opening and the closing of the Eustachian tube is pathologically and physiologically important. The ET function test determines the proper functioning of Eustachian tube.

    Pure Tone Audiometry

    This is a behavioral test used to assess the hearing sensitivity. The test involves calibrating the peripheral and the central audio system. The hearing sensitivity is plotted on the audiogram by introducing the softest sound audible to an individual at least 50% off the time in a day. The test presents tones across the speech spectrum to assess if the patient’s hearing levels fall within the normal limits.


    Speech Recognition Threshold (SRT)

    The patient is asked to identify a sound from disyllabic words. The lowest level at which a person can identify the sound from those pronounced words is the SRT. A single syllable word is introduced to the patient which they are not familiar or never heard before.

    Speech Identification score

    Speech identification score denote the calibration of the ability of the individual to hear from their left (Lt)and right (Rt) ears


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