Heading-Auditory pathway Mnemonic – E C O L I M A E – EIGHTH Cranial Nerve C- COCHLEAR Nerve O – Superior OLIVARY Nucleus L – Lateral LEMNISCUS I – INFERIOR Colliculi M – MEDIAL Geniculate Body A-Auditory Cortex (Brodmann Area – 41)
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Ascending auditory pathway Auditory Pathway Component Mnemonic E.C.O.L.I.M.A Ear receptors (Hair cells) in Cochlea and Eighth Cranial nerve (CN VIII) Cochlear nucleus Superior Olivary nucleus Lateral lemniscus Inferior colliculus Medial geniculate body Auditory cortex. Components in the Ascending pathway are arranged from peripheral to central.
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Auditory Pathway Ear receptors and Eighth cranial nerve (Organ of Corti) Cochlear hair cells are located on basilar membrane (In Organ of Corti): At the base of cochlea (thinner basilar membrane): encodes high-frequency sounds At the apex of cochlea (thicker basilar membrane): encodes low-frequency sounds. Sound waves entering scala vestibuli and back to scala tympani
Auditory Pathway Q. 1 Medial geniculate body is related to? A Vision B Hearing C Balance D Smell Q. 1 Medial geniculate body is related to? A Vision B Hearing C Balance D Smell Ans. B Explanation: Hearing REF: Guyton’s physiology 22nd edition page 657 The Medial Geniculate Nucleus (MGN) or Medial Geniculate Body (MGB) is
