Results 41 to 50 of about 1,285,227 (187)

Long timescale fMRI neuronal adaptation effects in human amblyopic cortex.

open access: yesPLoS ONE, 2011
An investigation of long timescale (5 minutes) fMRI neuronal adaptation effects, based on retinotopic mapping and spatial frequency stimuli, is presented in this paper.
Xingfeng Li   +4 more
doaj   +1 more source

Resting-State Functional Connectivity in the Dorsal Attention Network Relates to Behavioral Performance in Spatial Attention Tasks and May Show Task-Related Adaptation

open access: yesFrontiers in Human Neuroscience, 2022
Between-subject variability in cognitive performance has been related to inter-individual differences in functional brain networks. Targeting the dorsal attention network (DAN) we questioned (i) whether resting-state functional connectivity (FC) within ...
Björn Machner   +12 more
doaj   +1 more source

Color contrast adaptation: fMRI fails to predict behavioral adaptation

open access: yesNeuroImage, 2019
fMRI-adaptation is a valuable tool for inferring the selectivity of neural responses. Here we use it in human color vision to test the selectivity of responses to S-cone opponent (blue-yellow), L/M-cone opponent (red-green), and achromatic (Ach) contrast across nine regions of interest in visual cortex.
Goddard, E   +3 more
openaire   +3 more sources

Correlation between changes in functional connectivity in the dorsal attention network and the after-effects induced by prism adaptation in healthy humans: A dataset of resting-state fMRI and pointing after prism adaptation

open access: yesData in Brief, 2019
It has been reported that it is possible to observe transient changes in resting-state functional connectivity (FC) in the attention networks of healthy adults during treatment with prism adaptation. by using functional magnetic resonance imaging (fMRI) (
Kengo Tsujimoto   +8 more
doaj   +1 more source

Analyzing fMRI experiments with structural adaptive smoothing procedures

open access: yesNeuroImage, 2006
Data from functional magnetic resonance imaging (fMRI) consists of time series of brain images which are characterized by a high noise level and a low signal-to-noise ratio. We provide a complete procedure for fMRI analysis. In order to reduce noise and to improve signal detection the fMRI data is spatially smoothed.
Karsten Tabelow   +3 more
openaire   +3 more sources

Adaptation of a Haptic Robot in a 3T fMRI [PDF]

open access: yesJournal of Visualized Experiments, 2011
Functional magnetic resonance imaging (fMRI) provides excellent functional brain imaging via the BOLD signal with advantages including non-ionizing radiation, millimeter spatial accuracy of anatomical and functional data, and nearly real-time analyses.
Joseph, Snider   +4 more
openaire   +2 more sources

Bayesian symmetrical EEG/fMRI fusion with spatially adaptive priors [PDF]

open access: yesNeuroImage, 2011
In this paper, we propose a novel symmetrical EEG/fMRI fusion method which combines EEG and fMRI by means of a common generative model. We use a total variation (TV) prior to model the spatial distribution of the cortical current responses and hemodynamic response functions, and utilize spatially adaptive temporal priors to model their temporal shapes.
Martin, Luessi   +4 more
openaire   +2 more sources

Flexible adaptive paradigms for fMRI using a novel software package 'Brain Analysis in Real-Time' (BART).

open access: yesPLoS ONE, 2015
In this work we present a new open source software package offering a unified framework for the real-time adaptation of fMRI stimulation procedures. The software provides a straightforward setup and highly flexible approach to adapt fMRI paradigms while ...
Lydia Hellrung   +8 more
doaj   +1 more source

fMRI Adaptation between Action Observation and Action Execution Reveals Cortical Areas with Mirror Neuron Properties in Human BA 44/45

open access: yesFrontiers in Human Neuroscience, 2016
Mirror neurons (MNs) are considered to be the supporting neural mechanism for action understanding. MNs have been identified in monkey’s area F5. The identification of MNs in the human homolog of monkeys’ area F5 Broadmann Area 44/45 (BA 44/45) has been ...
Stephan de la Rosa   +4 more
semanticscholar   +1 more source

Visuomotor Adaptation Brain Changes During a Spaceflight Analog With Elevated Carbon Dioxide (CO2): A Pilot Study

open access: yesFrontiers in Neural Circuits, 2021
Astronauts on board the International Space Station (ISS) must adapt to several environmental challenges including microgravity, elevated carbon dioxide (CO2), and isolation while performing highly controlled movements with complex equipment.
Ana Paula Salazar   +12 more
doaj   +1 more source

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