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What is Findings of BERA in vestibular schwannoma:- and explain in detail?
In vestibular schwannoma, there is increased latency in wave 1 -5 Waves of BERA: E- wave 1: Distal pa of 8th nerve. E- wave 2: Proximal pa of 8th nerve. C- wave 3: Cochlear nucleus O- wave 4: Superior Olivery complex L- wave 5: Lateral leminiscus - Largest wave - Most stable - Produced at 5.5 ms after the stimulus I- wave 6 & 7: Inferior colliculus