Vibratory Stimulation
Mostrando 1-12 de 16 artigos, teses e dissertações.
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1. Estudo do efeito da vibração no tratamento da disfunção temporomandibular através de um protótipo de placa vibratória oclusal / Study of the effectiveness of vibratory plate in the treatment of dysfunction temporomandibular
Este estudo teve como objetivo estudar uma placa oclusalcom estimulação vibratória (POV) de base, para o tratamento da dor crônica miofascial. Foram selecionados 18 pacientes com mialgia crônica facial, de acordo com os Critérios para Diagnóstico em Pesquisa RDC . Os pacientes tinham entre 18 e 65 anos de idade, pertenciam ao sexo feminino e haviam us
Publicado em: 2010
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2. Apnéia da prematuridade : proposta de uma tecnologia para a detecção e interrupção do episódio apnéico
Apnea of prematurity (AP) is a breathing disorder very frequent in premature newborns (PN). It is estimated that 50% of the newborns with less than 1.500 g suffer apnea of prematurity as a consequence of their central nervous system immaturity. If the apnea episode is not stopped immediately, it may cause severe damages to childs central nervous system. The
Publicado em: 2006
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3. "Cardiotocografia estimulada em gestações de baixo risco: estudo comparativo da resposta cardíaca fetal à estimulação vibratória e sônica" / Stimulated cardiotocography in low-risk pregnancies: comparative study of fetal cardiac response to vibratory and sonic stimulation
Trata-se de estudo prospectivo, comparativo da resposta da freqüência cardíaca fetal (FCF) à estimulação vibratória e sônica, quanto à amplitude e duração, em 113 fetos de gestações de baixo risco. A população estudada foi discriminada em quatro grupos: 1) 25 semanas a 28 semanas e seis dias; 2) 29 semanas a 32 semanas e seis dias; 3) 33 seman
Publicado em: 2006
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4. Male infertility in spinal cord trauma
Every year there are 10 thousand new cases of patients victimized by spinal cord trauma (SCT) in the United States and it is estimated that there are 7 thousand new cases in Brazil. Eighty percent of patients are fertile males. Infertility in this patient group is due to 3 main factors resulting from spinal cord lesions: erectile dysfunction, ejaculatory dis
International braz j urol. Publicado em: 2005-08
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5. Sound transmission in the salamander ear.
The mode of stimulation of the ear by sounds is considered in Amphibia, in which it differs among the three Recent orders. Of special interest is the order Caudata, in which this stimulation takes a unique form: sounds applied to the oval window of one ear produce a path of vibratory motion that passes through the brain cavity to the oval window on the oppos
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6. Functional reorganization and stability of somatosensory-motor cortical topography in a tetraplegic subject with late recovery
The functional organization of somatosensory and motor cortex was investigated in an individual with a high cervical spinal cord injury, a 5-year absence of nearly all sensory/motor function at and below the shoulders, and rare recovery of some function in years 6–8 after intense and sustained rehabilitation therapies. We used functional magnetic resonance
National Academy of Sciences.
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7. Evidence of tectorial membrane radial motion in a propagating mode of a complex cochlear model
Knowledge of vibratory patterns in the cochlea is crucial to understanding the stimulation of mechanosensory cells. Experiments to determine the motion of the cochlear partition and surrounding fluid are extremely challenging. As a result, the motion data are incomplete and often contradictory. The bending mechanism of hair bundles, thought to be related to
National Academy of Sciences.
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8. A new mechanism of sound generation in songbirds
Our current understanding of the sound-generating mechanism in the songbird vocal organ, the syrinx, is based on indirect evidence and theoretical treatments. The classical avian model of sound production postulates that the medial tympaniform membranes (MTM) are the principal sound generators. We tested the role of the MTM in sound generation and studied th
The National Academy of Sciences of the USA.
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9. Effect of intrathecal baclofen on the monosynaptic reflex in humans: evidence for a postsynaptic action.
Intrathecal baclofen is a very powerful antispastic agent. Its mechanism of action on the monosynaptic H-reflex in spinal patients was investigated. It could inhibit rapidly and profoundly monosynaptic reflexes in lower limbs, but did not modify Ia vibratory inhibition of the soleus H-reflex. To assess more precisely its effect on Ia afferents, an experiment
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10. Mechanisms of pain relief by vibration and movement.
Mechanisms of pain relief induced by vibration and movement were investigated. A CO2 laser beam, which is useful for pure nociceptive stimulation, was used for recording pain-related somatosensory evoked potentials (pain SEPs) and for measuring pain threshold and reaction time (RT). Concurrently applied vibratory stimuli to and active movements of the finger
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11. Modality maps within primate somatosensory cortex
The sensations of pressure, flutter, and vibration are psychophysically distinct tactile modalities produced by frequency-specific vibrotactile stimulation of different mechanoreceptors in the skin. The information coded by the different low-threshold mechanoreceptors are carried by anatomically and electrophysiologically distinct pathways that remain separa
National Academy of Sciences.
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12. Slow wave sleep in crayfish
Clear evidence of sleep in invertebrates is still meager. Defined as a distinct state of reduced activity, arousability, attention, and initiative, it is well established in mammals, birds, reptiles, and teleosts. It is commonly defined by additional electroencephalographic criteria that are only well established in mammals and to some extent in birds. Sleep
National Academy of Sciences.