Showing 1 - 20 results of 29 for search '"Functional magnetic resonance imaging"', query time: 0.09s Refine Results
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    Brainstem functional magnetic resonance imaging: disentangling signal from physiological noise. by Harvey, A, Pattinson, K, Brooks, J, Mayhew, S, Jenkinson, M, Wise, R

    Published 2008
    “…PURPOSE: To estimate the importance of respiratory and cardiac effects on signal variability found in functional magnetic resonance imaging data recorded from the brainstem. …”
    Journal article
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    An investigation to dissociate the analgesic and anesthetic properties of ketamine using functional magnetic resonance imaging. by Rogers, R, Wise, R, Painter, D, Longe, SE, Tracey, I

    Published 2004
    “… BACKGROUND: Anatomic sites within the brain, which activate in response to noxious stimuli, can be identified with the use of functional magnetic resonance imaging. The aim of this study was to determine whether the analgesic effects of ketamine could be imaged. …”
    Journal article
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    Lateralisation of nociceptive processing in the human brain: a functional magnetic resonance imaging study. by Youell, P, Wise, R, Bentley, D, Dickinson, MR, King, T, Tracey, I, Jones, A

    Published 2004
    “…The resultant brain activity was measured using 3-T functional magnetic resonance imaging, by determining significant changes in blood oxygen level dependent (BOLD) signal and applying a general linear modelling approach. …”
    Journal article
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    A role for the brainstem in central sensitisation in humans. Evidence from functional magnetic resonance imaging. by Zambreanu, L, Wise, R, Brooks, J, Iannetti, G, Tracey, I

    Published 2005
    “…To fully characterise the supraspinal contributions to central sensitisation in humans, we used whole-brain functional magnetic resonance imaging at 3T, to record brain responses to punctate mechanical stimulation in an area of secondary hyperalgesia. …”
    Journal article
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    A comparison of visceral and somatic pain processing in the human brainstem using functional magnetic resonance imaging. by Dunckley, P, Wise, R, Fairhurst, M, Hobden, P, Aziz, Q, Chang, L, Tracey, I

    Published 2005
    “…We used functional magnetic resonance imaging to image the neural correlates of visceral and somatic pain within the brainstem. …”
    Journal article
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    Simultaneous recording of laser-evoked brain potentials and continuous, high-field functional magnetic resonance imaging in humans. by Iannetti, G, Niazy, R, Wise, R, Jezzard, P, Brooks, J, Zambreanu, L, Vennart, W, Matthews, P, Tracey, I

    Published 2005
    “…Simultaneous recording of event-related electroencephalographic (EEG) and functional magnetic resonance imaging (fMRI) responses has the potential to provide information on how the human brain reacts to an external stimulus with unique spatial and temporal resolution. …”
    Journal article
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    Cortical and subcortical connectivity changes during decreasing levels of consciousness in humans: a functional magnetic resonance imaging study using propofol. by Mhuircheartaigh, R, Rosenorn-Lanng, D, Wise, R, Jbabdi, S, Rogers, R, Tracey, I

    Published 2010
    “…We investigated the effects of propofol, widely used for anesthesia and sedation, on spontaneous and evoked cerebral activity using functional magnetic resonance imaging (fMRI). A series of auditory and noxious stimuli was presented to eight healthy volunteers at three behavioral states: awake, "sedated" and "unresponsive." …”
    Journal article
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    Pharmacological fMRI: A new tool for drug development in humans by Tracey, I, Wise, R

    Published 2001
    “…The advent of pharmacological functional magnetic resonance imaging (phMRI) has enabled researchers to focus directly on human pharmacology and brain function. …”
    Journal article
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    Modeling of regional dynamic CO(2) reactivity in respiratory related brain areas using BOLD fMRI by Mitsis, G, Harvey, A, Dirckx, S, Mayhew, S, Rogers, R, Tracey, I, Wise, R, Pattinson, K, IEEE

    Published 2008
    “…We have used BOLD functional magnetic resonance imaging (fMRI) and externally induced CO2 challenges that stimulate respiration, to identify respiratory areas in-vivo in humans and to quantify the dynamic effects of CO2 on the BOLD fMRI signal (dynamic CO2 reactivity). …”
    Journal article
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    Using fMRI to quantify the time dependence of remifentanil analgesia in the human brain. by Wise, R, Williams, P, Tracey, I

    Published 2004
    “…To understand and exploit centrally acting drugs requires reliable measures of their time course of action in the human brain. Functional magnetic resonance imaging (fMRI) is able to measure noninvasively, drug-induced changes in task-related brain activity. …”
    Journal article
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    Evidence for a vascular contribution to diffusion FMRI at high b value. by Miller, K, Bulte, D, Devlin, H, Robson, M, Wise, R, Woolrich, M, Jezzard, P, Behrens, T

    Published 2007
    “…Recent work has suggested that diffusion-weighted functional magnetic resonance imaging (FMRI) with strong diffusion weighting (high b value) detects neuronal swelling that is directly related to neuronal firing. …”
    Journal article
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    Defining a left-lateralized response specific to intelligible speech using fMRI. by Narain, C, Scott, S, Wise, R, Rosen, S, Leff, A, Iversen, S, Matthews, P

    Published 2003
    “…This study attempted to reconcile these differences, using a more sensitive 3 T functional magnetic resonance imaging system, and a sparse sampling paradigm. …”
    Journal article
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    Identification of the regional variability of the brain hemodynamic response to spontaneous and step-induced CO 2 changes using function expansions by Prokopiou, P, Pattinson, K, Wise, R, Mitsis, G

    Published 2012
    “…Here, we examine in detail the regional characteristics of the hemodynamic response to spontaneous and larger, externally induced step CO 2 changes CO 2 (end-tidal forcing) by utilizing BOLD functional magnetic resonance imaging (fMRI) measurements from healthy humans. …”
    Journal article
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    Exacerbation of pain by anxiety is associated with activity in a hippocampal network. by Ploghaus, A, Narain, C, Beckmann, C, Clare, S, Bantick, S, Wise, R, Matthews, P, Rawlins, J, Tracey, I

    Published 2001
    “…Using event-related functional magnetic resonance imaging (FMRI), we compared activation responses to noxious thermal stimulation while perceived pain intensity was manipulated by changes in either physical intensity or induced anxiety. …”
    Journal article
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    The effects of respiratory CO2 fluctuations in the resting-state BOLD signal differ between eyes open and eyes closed. by Peng, T, Niazy, R, Payne, S, Wise, R

    Published 2013
    “…In this study we focus on the two commonly used resting-states in functional magnetic resonance imaging experiments, eyes open and eyes closed, and quantify the degree to which measured spontaneous fluctuations in the partial pressure of end-tidal CO2 (Petco2) relate to BOLD signal time series. …”
    Journal article
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    Erythropoietin improves mood and modulates the cognitive and neural processing of emotion 3 days post administration. by Miskowiak, K, Inkster, B, Selvaraj, S, Wise, R, Goodwin, G, Harmer, C

    Published 2008
    “…Neuronal responses during the processing of happy and fearful faces were investigated using functional magnetic resonance imaging (fMRI); facial expression recognition performance was assessed after the fMRI scan. …”
    Journal article