Behavioural Audiometry refers to the methods of testing a child’s hearing by involving the baby or young child in the testing process, supported by a parent or caregiver. The baby or child is required to respond to the sound stimulus in a specific way, in order for the audiologist to interpret it as a response.The nature of the expected response is determined by the baby or young child’s cognitive age, giving rise to three distinct responses according to which they are named. These are as below
BOA is the method of testing hearing in newborns from birth to six months, observing their sucking response to sound.
VRA is the method of testing hearing in babies and young children between the ages of six months and thirty-six months, observing the child's head turn towards a visual reinforcer such as a toy that lights up.
CPA is the method of testing hearing in children who have a cognitive age of atleast 30 months, in which they are expected to do the listen and drop task.
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