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Experimental Video Analysis of Eye Blink Reflex in a Primate Model

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Date
2012-12-01
Author
Borin, Andrei [UNIFESP]
Mello, Luiz Eugenio Araujo M. [UNIFESP]
Neiva, Felipe Costa [UNIFESP]
Gurgel Testa, Jose Ricardo [UNIFESP]
Mendonca Cruz, Oswaldo Laercio [UNIFESP]
Type
Artigo
ISSN
1531-7129
Is part of
Otology & Neurotology
DOI
10.1097/MAO.0b013e31826939e4
Metadata
Show full item record
Abstract
Background: the establishment of reliable methods for functional assessment in experimental models of peripheral nerve regeneration is crucial.Methods: We present a straightforward method for video analysis of the eye blink reflex in a model of facial nerve damage in a nonhuman primate (Callithrix sp.).Results: Our 6-level dynamic analysis demonstrated good reproducibility between independent observers, as measured by Cohen's kappa index. Our static analysis, which was based on 4 semi-automated metric parameters, showed low correlation during the early stage of facial movement recovery (the first and second weeks), but the correlation was excellent during the later stage of recovery (the third and fourth weeks).Conclusion: Altogether, our results establish a viable and readily accessible method with good reproducibility and correlation for the analysis of functional facial nerve recovery in an experimental model and based on video images of the eye blink reflex.
Citation
Otology & Neurotology. Philadelphia: Lippincott Williams & Wilkins, v. 33, n. 9, p. 1625-1629, 2012.
Keywords
Facial nerve
Facial paralysis
Nerve regeneration
Primates
Sponsorship
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
URI
http://repositorio.unifesp.br/handle/11600/35588
Collections
  • Em verificação - Geral [11271]

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