Efferent Pathways
Mostrando 1-12 de 52 artigos, teses e dissertações.
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1. The Relationship between Contralateral Suppression of Transient Evoked Otoacoustic Emission and Unmasking of Speech Evoked Auditory Brainstem Response
Abstract Introduction Several studies have shown that efferent pathways of the auditory system improve perception of speech-in-noise. But, the majority of investigations assessing the role of efferent pathways on speech perception have used contralateral suppression of otoacoustic emissions as a measure of efferent activity. By studying the effect of effere
International Archives of Otorhinolaryngology. Publicado em: 2022
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2. Determinants of body weight regulation in humans
ABSTRACT Body weight is regulated by the ability of hypothalamic neurons to orchestrate behavioral, endocrine and autonomic responses via afferent and efferent pathways to the brainstem and the periphery. Weight maintenance requires a balance between energy intake and energy expenditure. Although several components that participate in energy homeostasis have
Arch. Endocrinol. Metab.. Publicado em: 23/02/2016
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3. Mapping and signaling of neural pathways involved in the regulation of hydromineral homeostasis
Several forebrain and brainstem neurochemical circuitries interact with peripheral neural and humoral signals to collaboratively maintain both the volume and osmolality of extracellular fluids. Although much progress has been made over the past decades in the understanding of complex mechanisms underlying neuroendocrine control of hydromineral homeostasis, s
Braz J Med Biol Res. Publicado em: 12/04/2013
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4. CARACTERÍSTICAS AUDIOLÓGICAS DE INDIVÍDUOS NORMO-OUVINTES COM QUEIXAS DE ZUMBIDO E HIPERACUSIA / AUDIOLOGICAL CHARACTERISTICS IN NORMAL HEARING SUBJECTS WITH COMPLAINTS OF TINNITUS AND HYPERACUSIS
OBJETIVO: verificar a ocorrência e o efeito de supressão das emissões otoacústicas transientes (EOAT), a existência de associação entre: graus de zumbido e de hiperacusia, efeito supressor das EOAT e lateralidade, graus de zumbido e graus de hiperacusia, e analisar as características audiológicas de indivíduos normo-ouvintes com queixas de zumbido
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/03/2011
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5. Otoacoustic emission suppression and acoustic reflex sensitization in auditory processing disorders / Supressão das emissões otoacústicas e sensibilização do reflexo acústico no distúrbio de processamento auditivo
INTRODUCTION: Auditory processing depends on the auditory pathways integrity. Efferent auditory system may be assessed in humans by two non-invasive and objective methods: acoustic reflex and otoacoustic emissions suppression. OBJECTIVE: Analyze efferent auditory system activity by otoacoustic emissions suppression and acoustic reflex sensitization in human
Publicado em: 2007
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6. Functional studies of the ataxin-3 protein / Estudos funcionais da proteina ataxina-3
Spinocerebellar ataxia type 3 (SCA 3) also known as Machado-Joseph disease (MJD) belongs to a heterogeneous group of neurodegenerative diseases of the central nervous system and is characterized by the degeneration of cerebellum and its afferent and efferent ways. The SCA3/MJD gene was mapped on chromosome 14 and was named MJD1, the causative mutation is an
Publicado em: 2007
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7. "Estudo das vias auditivas eferentes em indivíduos com zumbido" / Study of efferent auditory pathways in subjects with tinnitus
Uma ativação do trato olivococlear medial reduz a amplitude das emissões otoacústicas de forma lateralizada, com um predomínio à direita. Pessoas com zumbido teriam uma disfunção do reflexo eferente, mas esses resultados não foram comprovados em todas as pesquisas. Curiosamente, estas pesquisas não valorizam a lateralidade eferente. Comparamos a su
Publicado em: 2004
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8. Suppression effect of transient evoked otoacoustic emissions in children with auditory processing disorder / "Efeito de supressão das emissões otoacústicas transientes em crianças com distúrbio de processamento auditivo"
This study concerns the suppression of transient evoked otoacoustic emissions by contralateral white noise in children with auditory processing disorder. Fifty-one children between 7 and 11 years old were assessed, being 15 children without auditory complaints (control group) and 36 with auditory processing disorder (divided in two experimental groups). The
Publicado em: 2003
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9. EFFERENT CONNEXIONS OF THE HUMAN PREFRONTAL REGION WITH REFERENCE TO FRONTO-GYPOTHALAMIC PATHWAYS
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10. Centers involved in the autonomic reflex reactions originating from stretching of the atria.
Stretching the atria in anesthetized dogs produces reflex changes in heart rate, and in cardiac and renal sympathetic nerve activity. Anemic decerebration, cord transection at C4-C5, and severance of vagal or sympathetic cardiac nerves was done to identify the pathways and centers essential for these reflexes. Stretching the right atrium produced an acelerat
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11. Characterization of efferent T suppressor cells induced by Paracoccidioides brasiliensis-specific afferent T suppressor cells.
Previously, we reported that Paracoccidioides brasiliensis culture filtrate antigen (Pb.Ag) when injected i.v. into mice induces antigen-specific suppressor cells which down-regulate the anti-P. brasiliensis delayed-type hypersensitivity (DTH) response. The suppressor cells are present in both spleens and lymph nodes of Pb.Ag-treated animals and suppress the
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12. The influence of visceral mechanoreceptors on sympathetic efferent discharge in the cat
1. Recordings have been made from eighty-three single sympathetic efferent units in the hypogastric nerve in two types of preparation. In all animals the baroreceptors were denervated to exclude changes in sympathetic discharge resulting from any variations in arterial pressure, and the spinal cord was sectioned at the 6th lumbar segment to exclude changes i