Rude mechanicals in brain haemodynamics: non-neural actors that influence blood flow

A Das, K Murphy, PJ Drew - … Transactions of the Royal …, 2021 - royalsocietypublishing.org
Fluctuations in blood oxygenation and flow are widely used to infer brain activity during
resting-state functional magnetic resonance imaging (fMRI). However, there are strong …

Task-related component analysis for functional neuroimaging and application to near-infrared spectroscopy data

H Tanaka, T Katura, H Sato - NeuroImage, 2013 - Elsevier
Reproducibility of experimental results lies at the heart of scientific disciplines. Here we
propose a signal processing method that extracts task-related components by maximizing …

Parallel spatial channels converge at a bottleneck in anterior word-selective cortex

AL White, J Palmer, GM Boynton… - Proceedings of the …, 2019 - pnas.org
In most environments, the visual system is confronted with many relevant objects
simultaneously. That is especially true during reading. However, behavioral data …

[HTML][HTML] Load-dependent relationships between frontal fNIRS activity and performance: A data-driven PLS approach

KL Meidenbauer, KW Choe, C Cardenas-Iniguez… - NeuroImage, 2021 - Elsevier
Neuroimaging research frequently demonstrates load-dependent activation in prefrontal and
parietal cortex during working memory tasks such as the N-back. Most of this work has been …

The neuroimaging signal is a linear sum of neurally distinct stimulus-and task-related components

MMB Cardoso, YB Sirotin, B Lima, E Glushenkova… - Nature …, 2012 - nature.com
Neuroimaging (for example, functional magnetic resonance imaging) signals are taken as a
uniform proxy for local neural activity. By simultaneously recording electrode and …

The impact of vasomotion on analysis of rodent fMRI data

H Lambers, L Wachsmuth, C Lippe… - Frontiers in Neuroscience, 2023 - frontiersin.org
Introduction Small animal fMRI is an essential part of translational research in the cognitive
neurosciences. Due to small dimensions and animal physiology preclinical fMRI is prone to …

Task-related oxygenation and cerebral blood volume changes estimated from NIRS signals in motor and cognitive tasks

H Tanaka, T Katura, H Sato - NeuroImage, 2014 - Elsevier
Although functional near-infrared spectroscopy (fNIRS) has an advantage of simultaneously
measuring changes in oxy-and deoxy-hemoglobin concentrations (Δ [HbO] and Δ [HbR]) …

Task-related activity in human visual cortex

ZN Roth, M Ryoo, EP Merriam - PLoS biology, 2020 - journals.plos.org
The brain exhibits widespread endogenous responses in the absence of visual stimuli, even
at the earliest stages of visual cortical processing. Such responses have been studied in …

Stimulus-related neuroimaging in task-engaged subjects is best predicted by concurrent spiking

B Lima, MMB Cardoso, YB Sirotin, A Das - Journal of Neuroscience, 2014 - jneurosci.org
The implicit goal of functional magnetic resonance imaging is to infer local neural activity.
There is considerable debate, however, as to whether imaging correlates most linearly with …

Enhanced spatiotemporal resolution imaging of neuronal activity using joint electroencephalography and diffuse optical tomography

J Cao, TJ Huppert, P Grover… - Neurophotonics, 2021 - spiedigitallibrary.org
Significance: Electroencephalography (EEG) and functional near-infrared spectroscopy
(fNIRS) are both commonly used methodologies for neuronal source reconstruction. While …