Showing papers in "NeuroImage in 2007"

TL;DR: DARTEL has been applied to intersubject registration of 471 whole brain images, and the resulting deformations were evaluated in terms of how well they encode the shape information necessary to separate male and female subjects and to predict the ages of the subjects.

TL;DR: A component based method for the reduction of noise in both blood oxygenation level-dependent (BOLD) and perfusion-based functional magnetic resonance imaging (fMRI) data is presented and the temporal standard deviation of resting-state perfusion and BOLD data in gray matter regions was significantly reduced.

TL;DR: It is shown that multi-fibre tractography offers significant advantages in sensitivity when tracking non-dominant fibre populations, but does not dramatically change tractography results for the dominant pathways.

TL;DR: The introduction of a constraint on such negative regions is proposed to improve the conditioning of the spherical deconvolution, and this approach is shown to provide FOD estimates that are robust to noise whilst preserving angular resolution.

TL;DR: This work determined that activity decreases in functional neuroimaging data did not arise from activations in the resting state, and thereby implied the existence of a default mode of brain function.

TL;DR: This protocol provides guidelines for reproducible DTI-based tract-specific quantification for reconstructing major white matter tracts based on diffusion tensor imaging.

TL;DR: Simulations demonstrate that ICA decomposition, here tested using three popular ICA algorithms, Infomax, SOBI, and FastICA, can allow more sensitive automated detection of small non-brain artifacts than applying the same detection methods directly to the scalp channel data.

TL;DR: This largest longitudinal pediatric neuroimaging study reported to date demonstrates the importance of examining size-by-age trajectories of brain development rather than group averages across broad age ranges when assessing sexual dimorphism and finds robust male/female differences in the shapes of trajectories.

TL;DR: A referential framework for establishing the effective spatial resolutions of 10/20, 10/10, and 10/5 systems as relative head-surface-based positioning systems is presented and the effects of spatial variability due to the selection of positioning systems and landmark placement strategies are examined.

TL;DR: The principle approaches for anatomical localisation of functional activations based on probabilistic cytoarchitectonic maps are demonstrated by exemplary analysis of an anterior parietal activation evoked by visual presentation of hand gestures.

TL;DR: This approach illustrates one way in which a neuronal network can be identified, its high functional connectivity established, and its components dissociated in order to better understand the interactive and specialized internal mechanisms of that network.

TL;DR: It is proposed that the key to quick efficiency in the BBCI system is its flexibility due to complex but physiologically meaningful features and its adaptivity which respects the enormous inter-subject variability.

TL;DR: It is shown how the ReML objective function can be adjusted to provide an approximation to the log-evidence for a particular model, which means ReML can be used for model selection, specifically to select or compare models with different covariance components.

TL;DR: Investigation of the largely unknown extent and laminar relationship of prefrontal input-output zones linked with the amygdala using neural tracers injected in the amygdala in rhesus monkeys indicates that the connections between prefrontal cortices and the amygdala follow similar patterns as corticocortical connections.

TL;DR: This work systematically mapped ACC functional connectivity during rest and demonstrates the presence of negatively predicted relationships between distinct ACC functional networks, which support the commonly observed rostral/caudal distinction but also suggest the existence of a dorsal/ventral functional distinction.

TL;DR: Investigation of the electrophysiological correlates of perceiving shortly presented visual stimuli concludes that alpha, beta and gamma oscillations indicate the attentional state of a subject and thus are able to predict perception performance on a single trial basis.

TL;DR: The results suggest that the observed activation is independent of the physiological states of hunger and satiation, and thus may contribute to pathological overeating and obesity.

TL;DR: The findings suggest that the mirror neuron system could contribute to the understanding of a wider range of actions than previously assumed, and that the goal of an action might be more important for mirror activations than the way in which the action is performed.

TL;DR: The results provide pieces of evidence that action observation has a positive additional impact on recovery of motor functions after stroke by reactivation of motor areas, which contain the action observation/action execution matching system.

TL;DR: Results indicate potential application of NIRS in the development of BCIs and present results of signal analysis indicating that there exist distinct patterns of hemodynamic responses which could be utilized in a pattern classifier towards developing a BCI.

TL;DR: The results suggest that the microstructure of the corpus callosum is affected in autism, which may be related to nonverbal cognitive performance.

TL;DR: It is found that the medial prefrontal cortex (MPFC) and anterior cingulate cortex (ACC) showed stronger activation in self- than other-judgment conditions for both Chinese and Western subjects, providing neuroimaging evidence that culture shapes the functional anatomy of self-representation.

TL;DR: Time-sh shifted cardiac rate timecourses were included as regressors in addition to established physiological regressors to suggest that including such time-shifted cardiac rate regressors will be beneficial for explaining physiological noise variance and will improve the statistical power in future task-based and resting-state fMRI studies.

TL;DR: A realistic magnetic resonance imaging-derived finite element model of currents applied to the human brain during tDCS reveals that cortical strokes, relative to the non-pathological solutions, can elevate current density maxima and alter their location.

TL;DR: The study shows that inter-subject variability plays a prominent role in the relatively low sensitivity and reliability of group studies and focuses on the notion of reproducibility by bootstrapping.

TL;DR: The results suggest that the interleaved resting state data such as those taken from blocked or mixed blocked/event-related fMRI designs are well-suited for resting state functional connectivity analyses.

TL;DR: It is shown that participants' empathy scores were predictive of their gustatory IFO activation while witnessing both the pleased and disgusted facial expression of others, and provides empirical support for the view that the IFO contributes to empathy by mapping the bodily feelings of others onto the internal bodily states of the observer, in agreement with the putative interoceptive function of the I FO.

TL;DR: It is suggested that the neural mechanisms of feedback processing may differ between wins and losses, and some findings between ERP and frequency analyses diverged, suggest that these analytic approaches provide complementary insights into neural processing.

TL;DR: Synergistic integration of clinical analysis, neuroimaging, neuroanatomy, and neurostimulation modeling provides an opportunity to address wide ranging questions on the factors linked with the therapeutic benefits and side effects of DBS.

TL;DR: The study found significant regional coherence decreases in the posterior cingulate cortex/precuneus (PCC/PCu) in the AD patients when compared with the normal controls and increased LFBF coherence in the bilateral cuneus, right lingual gyrus and left fusiform gyrus in theAD patients.