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Sound influence on vestibulo-spinal control

Cesarani, Antonio and Capobianco, Francesco Saverio and Alpini, Dario (2004) Sound influence on vestibulo-spinal control. Archives for Sensology and Neurootology in Science and Practice. ASN, Vol. 2 . ISSN 1612-3352. Article.

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It has been known for a long time that the application of intense acoustic stimuli to the ear can induce reflex muscle responses. The classic physiology describes reflex responses of neck muscles aimed at turning the head towards the source of acoustic stimuli. It is well known Tullio phenomenon (1929) which is a rare but remarkable clinical entity consisting of a rotatory vertigo and unsteadiness evoked by extremely loud sounds (ipsilateral nystagmus ).
The link between the vibratory energy and the vestibular response takes place in the saccule which is located between choclea and utriculus on one side and semicircular canals on the other side. The acoustic stimulation induces movements of the stapes footplate which excite macular receptors of the sacculus, due to their close proximity. Therefore, acoustic stimulation activates the vestibulo-spinal pathway by stimulating saccular maculae EMG/ABR recording from ipsi SCM showes a P13/N23 biphasic complex.

Item Type:Article
ID Code:4796
Uncontrolled Keywords:Acustic stimulation, sound, sound stimuli, vestibulo-spinal control, vestibulo-spinal pathway
Subjects:Area 06 - Scienze mediche > MED/32 Audiologia
Divisions:001 Università di Sassari > 03 Istituti > Oftalmologia, Otorinolaringoiatria e Urologia
Publisher:The International Society for the studies of the Equilibrium, the Hearing, the Taste and the Smell - and Otoophtalmological Neurophisiology
Additional Information:Presented at 31. Congress of the NES, March 2004. Bad Kissingen, Germany
Deposited On:09 Nov 2010 16:19

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