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	Provedor de dados BJMBR (2) Autor Salmon,C.E.G. (2) Amaro Jr,E. (1) Bel,E. Del (1) Castania,M. (1) Castania,V. (1) Cendes,F. (1) Defino,H.L.A. (1) Issy,A.C. (1) Nogueira-Barbosa,M.H. (1) Rondinoni,C. (1) Santos,A.C.dos (1) Mais... Palavra-chave Acoustic noise (1) Animal models (1) Default-mode network (1) Granger causality mapping (1) Histology (1) Independent component analysis (1) Intervertebral disc degeneration (1) Resting-state fMRI (1) Wistar rats (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2013 (2) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Effect of scanner acoustic background noise on strict resting-state fMRI BJMBR Rondinoni,C.; Amaro Jr,E.; Cendes,F.; Santos,A.C.dos; Salmon,C.E.G.. Functional MRI (fMRI) resting-state experiments are aimed at identifying brain networks that support basal brain function. Although most investigators consider a ‘resting-state’ fMRI experiment with no specific external stimulation, subjects are unavoidably under heavy acoustic noise produced by the equipment. In the present study, we evaluated the influence of auditory input on the resting-state networks (RSNs). Twenty-two healthy subjects were scanned using two similar echo-planar imaging sequences in the same 3T MRI scanner: a default pulse sequence and a reduced “silent” pulse sequence. Experimental sessions consisted of two consecutive 7-min runs with noise conditions (default or silent) counterbalanced across subjects. A self-organizing group... Tipo: Info:eu-repo/semantics/article Palavras-chave: Resting-state fMRI; Acoustic noise; Default-mode network; Independent component analysis; Granger causality mapping. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2013000400359 Experimental model of intervertebral disc degeneration by needle puncture in Wistar rats BJMBR Issy,A.C.; Castania,V.; Castania,M.; Salmon,C.E.G.; Nogueira-Barbosa,M.H.; Bel,E. Del; Defino,H.L.A.. Animal models of intervertebral disc degeneration play an important role in clarifying the physiopathological mechanisms and testing novel therapeutic strategies. The objective of the present study is to describe a simple animal model of disc degeneration involving Wistar rats to be used for research studies. Disc degeneration was confirmed and classified by radiography, magnetic resonance and histological evaluation. Adult male Wistar rats were anesthetized and submitted to percutaneous disc puncture with a 20-gauge needle on levels 6-7 and 8-9 of the coccygeal vertebrae. The needle was inserted into the discs guided by fluoroscopy and its tip was positioned crossing the nucleus pulposus up to the contralateral annulus fibrosus, rotated 360° twice, and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Intervertebral disc degeneration; Animal models; Histology; Wistar rats. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2013000300235 Registros recuperados: 2 Primeira ... 1 ... Última

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