Changes in a BOLD signal during a fMRI experiment
Developmental changes of BOLD signal correlations with global human EEG power and synchronization during working memory
... the BOLD (blood oxygen level dependent) signal in the default mode network during ...modulated during WM. Yet, little is known about the link between BOLD, EEG power, and EEG ...
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Developmental changes of BOLD signal correlations with global human EEG power and synchronization during working memory
... the BOLD (blood oxygen level dependent) signal in the default mode network during ...modulated during WM. Yet, little is known about the link between BOLD, EEG power, and EEG ...
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Measuring vascular reactivity with breath-holds after stroke: a method to aid interpretation of group-level BOLD signal changes in longitudinal fMRI studies
... neural changes caused by stroke, increasing confidence when interpreting group-level BOLD signal results in terms of neural activity (oxygen ...task-related BOLD signal changes ...
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Measuring vascular reactivity with breath-holds after stroke: a method to aid interpretation of group-level BOLD signal changes in longitudinal fMRI studies
... neural changes caused by stroke, increasing confidence when interpreting group-level BOLD signal results in terms of neural activity (oxygen consump- ...related BOLD signal ...
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Long-latency reductions in gamma power predict hemodynamic changes that underlie the negative BOLD signal
... negative BOLD response remain to be ...hemodynamic changes in the ...BOLD signal. These findings suggest a close relationship between BOLD responses and neural events that operate over ...
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Moderating Effect of Cortical Thickness on BOLD Signal Variability Age-Related Changes
... in BOLD variability across time (1) all cortical regions (2) region ...“baseline” BOLD variability was retained (random intercept, 1| ...in BOLD variability ...
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Methods for cleaning the BOLD fMRI signal
... the fMRI voxel time series potentially becomes more sensitive to motion-related ...state fMRI experiment. In task- based fMRI, there is an inherent risk of bias in the test statistics if non- ...
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Neurophysiology of the BOLD fMRI Signal in Awake Monkeys
... secutive fMRI and electrophysiological recording in the same animal [5, 7–9], or, when neuronal signals could not be recorded simultaneously, used recordings from different sub- jects or acquired under different ...
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Electrophysiological correlates of the BOLD signal for EEG-informed fMRI
... The BOLD signal exhibited a strong correlation with colo- calised LFPs (10–130 Hz) and a robust, but slightly weaker, correlation with colocalised MUA (300–3,000 ...of BOLD variance [Logothetis and ...
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The Relationship between Brain Oscillations and BOLD Signal during Memory Formation: A Combined EEG-fMRI Study
... specific changes in brain oscillatory ...oscillations during encoding predict whether an event will subsequently be remembered or not (Kli- mesch, 1999; Du¨zel et ...that during encoding, a power in- ...
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EEG-informed fMRI analysis during a hand grip task: estimating the relationship between EEG rhythms and the BOLD signal.
... (BOLD) fMRI. In particular, changes in BOLD have been shown to be associated with changes in the spectral profile of neural activity, rather than with absolute ...to changes in ...
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Nonlinear Analysis of the BOLD Signal
... This scheme then is demonstrated on a simulated dataset and a real texture perception fMRI experiment. This paper is organized as follows. In the first section we introduce the heamodynamic model and ...
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The vascular properties of the BOLD signal
... calibrated BOLD experiments [69, 172] rely on an assumed coupling relationship between total CBV and CBF (equation ...of BOLD contrast, the venous, rather than total blood volume compartment should be ...
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BOLD Signal Change and Contrast Reversing Frequency: An Event-Related fmri Study in Human Primary Visual Cortex
... (PET) changes in human visual cortex as a linear function of stimulus rate between 0 and 8 Hz, peaked at ,8 Hz, and decreased at still higher ...that changes in rCBF as a function of stimulus rate up to ,8 ...
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The BOLD signal and neurovascular coupling in autism
... the BOLD response to a social judgement task was decreased in participants with ASD compared to control ...of BOLD signal reduction in the two regions most active in control participants ...
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BOLD signal physiology: Models and applications
... 2. BOLD quantification in disease Disease-related changes to the BOLD signal amplitude may be driven by differences in neuronal activity or by vascular differences between patients (red) and ...
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Global signal modulation of single trial fMRI response variability: effect on positive vs negative BOLD response relationship
... neuronal BOLD signal components which underlie the positive correlation between single-trial cPBR and iNBR ...task fMRI activation and resting-state functional connectivity (Chang and Glover, 2009a, ...
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Consistency and similarity of MEG- and fMRI-signal time courses during movie viewing
... and fMRI during movie viewing have demonstrated an association between source-level EEG activity ...and BOLD signal with a ~5-s delay that was calculated only in the primary visual cortex (V1) ...
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Increased BOLD signal in the fusiform gyrus during implicit emotion processing in anorexia nervosa
... To date, most studies of psychosocial functioning in AN patients have revealed impaired performance and neuroimaging studies have reported both functional and structural changes in regions implicated within the ...
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Increased BOLD signal in the fusiform gyrus during implicit emotion processing in anorexia nervosa
... To date, most studies of psychosocial functioning in AN patients have revealed impaired performance and neuroimaging studies have reported both functional and structural changes in regions implicated within the ...
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