Functional Neuroimaging
Mostrando 13-24 de 84 artigos, teses e dissertações.
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13. The link between cardiovascular risk, Alzheimer's disease, and mild cognitive impairment: support from recent functional neuroimaging studies
Objective: To review functional neuroimaging studies about the relationship between cardiovascular risk factors (CVRFs), Alzheimer's disease (AD), and mild cognitive impairment (MCI). Methods: We performed a comprehensive literature search to identify articles in the neuroimaging field addressing CVRF in AD and MCI. We included studies that used positron em
Rev. Bras. Psiquiatr.. Publicado em: 10/06/2014
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14. Neuroimagem na dependência de jogos eletrônicos: uma revisão sistemática
Objetivo: Realizar revisão sistemática de manuscritos que utilizaram a neuroimagem no estudo da dependência de jogos eletrônicos, a fim de identificar as principais regiões cerebrais alteradas. Métodos: Foram realizadas buscas nos seguintes bancos de dados: ScieELO, BVS, Lilacs, Science Direct On Line e PubMed. Não houve data mínima para a pesquis
J. bras. psiquiatr.. Publicado em: 2014-03
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15. The impacts of cognitive-behavioral therapy on the treatment of phobic disorders measured by functional neuroimaging techniques: a systematic review
Objective: Functional neuroimaging techniques represent fundamental tools in the context of translational research integrating neurobiology, psychopathology, neuropsychology, and therapeutics. In addition, cognitive-behavioral therapy (CBT) has proven its efficacy in the treatment of anxiety disorders and may be useful in phobias. The literature has shown t
Rev. Bras. Psiquiatr.. Publicado em: 2013-09
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16. Quantificação da lesão neuronal e mielínica na Esclerose Lateral Amiotrófica através da ressonância magnética / Quantification of myelin and neuronal damage in ALS using magnetic resonance imaging.
Introdução: A Esclerose Lateral Amiotrófica (ELA) é uma doença degenerativa e progressiva que afeta neurônios motores da medula espinhal, tronco cerebral e/ ou córtex motor. Sua manifestação clínica é bastante variada, sua etiologia desconhecida e a progressão, fatal. Não existe ainda um tratamento curativo para a ELA, porém alguns medicamentos
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/05/2012
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17. Neuroimagem do transtorno de fobia específica: uma revisão sistemática da literatura
A Fobia Específica (SP do inglês) é caracterizada por medos irracionais associados à evitação de estímulos específicos. Nos últimos anos, técnicas de neuroimagem vêm sendo empregadas na tentativa de melhor compreender a neurobiologia dos transtornos de ansiedade. O objetivo do presente estudo é realizar uma revisão sistemática dos artigos que u
Revista Brasileira de Psiquiatria. Publicado em: 2012-03
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18. Relação entre as alterações estruturais do cerebelo e os transtornos psiquiátricos / Relationship between structural cerebellar changes and psychiatric disorders
Classically it was attributed to the cerebellum only functions regarding the control of movements, posture and balance. However, several studies have shown that the cerebellum also participates in the control of cognition, emotional processing and behavior through direct and indirect pathways. New evidence suggests that the cerebellum has structural and func
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 29/06/2011
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19. Inclusão de MRI e informação multigrid a priori para inferência bayesiana de fontes de M/EEG / MRI image and multigrid a priori information for bayesian M/EEG source localization
Functional Neuroimaging has evolved in the last few decades with the introduction of techniques such as Positron Emission Tomography or PET and Functional Magnetic Ressonance Image or fMRI [Belliveau et al., 1991]. These allow observing brain activity with a resolution of a few millimeters and, due to the nature of the signal, a time resolution of the order
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/04/2011
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20. Current methodological designs of fMRI studies of panic disorder: can data be compared?
Panic disorder (PD) is a pluridimensional condition that leads to psychological suffering. Due to advances in neuroimaging techniques, important contributions have been made in the understanding of the neurobiological basis of PD. However, because of diverging research designs and protocols, more conclusive data concerning the neurocircuitry of PD remain dif
Psychology & Neuroscience. Publicado em: 2011-12
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21. Relação dos pontos-chave cirúrgicos no crânio com áreas eloquëntes detectadas por ressonância magnética funcional / Relation of surgical key-points in skull with eloquent areas detected by functional magnetic resonance
Neuroimaging studies have a pivotal role in pre-surgical assessment of patients with brain lesions. Magnetic Resonance Imaging (MRI) and Computerized Tomography (CT) are established techniques providing anatomic information of the lesion and surrounding areas. Functional MRI (fMRI) is a recent method applied to probe brain function via hemodynamic response o
Publicado em: 2010
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22. Desenvolvimento de metodos opticos para o estudo do acoplamento neuro-vascular-metabolico intrinseco a dinamica cerebral / Development of optical methods to the study of neuro-metabolic-vascular coupling underlying cerebral dynamics
Task-associated neuronal activity leads to a complex chain of biological events within the brain. The increased energetics gives rise to elevated glucose and oxygen consumption in the tissue. Biochemical and neuronal factors induce changes in blood vessels and variations in blood ow, volume and oxygenation. Although it has been extensively investigated, this
Publicado em: 2009
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23. Transcranial magnetic stimulation efficiency in patients with tinnitus and normal pure-tone audiometry: clinical and neuroimaging evaluation. / Eficácia da estimulação magnética transcraniana em pacientes com zumbido e audiometria normal: avaliação clínica e por neuroimagem
INTRODUCTION: Tinnitus is a frequent disorder which is very difficult to treat. There is compelling evidence that tinnitus is associated with functional alterations in the central nervous system. Recently, the targeted modulation of tinnitus-related cortical activity through repetitive transcranial magnetic stimulation (rTMS) has been proposed as a promising
Publicado em: 2009
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24. Avaliação do tratamento de depressão em pacientes com doença de Parkinson através de ressonância magnética funcional / Evaluation of depression treatment in Parkinsons disease patients with functional magnetic resonance
The neural circuitry underlying depression in patients with Parkinsons disease (PD) is unknown, let alone the treatment effects of antidepressant therapy. Neuroimaging methods can give insights into the pathogenesis of depression and also in the mechanisms of action related to specific treatment choice. In order to evaluate differences between PD patients wi
Publicado em: 2008