Abstract

Stuttering is developmental disorder affecting speech fluency. It is characterized by disrupted speech flow by involuntary repetitions, prolongation of sound, syllables, words or phrases, and involuntary silent, block in which the person who stutter cannot produce sound.Functional stuttering develops in early child hood before puberty without any brain damage, any physical impairment or any other cause.It is first observed between age 2- and 4-years following period of fluent speech. The neuro-audiological processes involved in fluency processing can be investigated through the evaluation of central auditory processing, which is related to a series of processes that predominantly involve the central nervous system structures (auditory cortex and pathway). In the search for the neurobiological mechanism involved in stuttering a variety of neurophysiological tests have been used. One of these tests is auditory evoked potential (AEP). Auditory evoked potentials (AEP) is used to assess auditory processing in children with language and speech impairments and learning disabilities.The most widely used AEP in clinical practice is the auditory brainstem response (ABR). ABRs can be recorded using different stimuli, click and speech, click stimulus is the most frequently used.

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