[HTML][HTML] Current status and issues regarding pre-processing of fNIRS neuroimaging data: an investigation of diverse signal filtering methods within a general linear …

P Pinti, F Scholkmann, A Hamilton… - Frontiers in human …, 2019 - frontiersin.org
Functional near-infrared spectroscopy (fNIRS) research articles show a large heterogeneity
in the analysis approaches and pre-processing procedures. Additionally, there is often a …

[HTML][HTML] Low frequency systemic hemodynamic “noise” in resting state BOLD fMRI: characteristics, causes, implications, mitigation strategies, and applications

Y Tong, LM Hocke, BB Frederick - Frontiers in neuroscience, 2019 - frontiersin.org
Advances in functional magnetic resonance imaging (fMRI) acquisition have improved
signal to noise to the point where the physiology of the subject is the dominant noise source …

[HTML][HTML] Optical imaging and spectroscopy for the study of the human brain: status report

H Ayaz, WB Baker, G Blaney, DA Boas… - …, 2022 - spiedigitallibrary.org
This report is the second part of a comprehensive two-part series aimed at reviewing an
extensive and diverse toolkit of novel methods to explore brain health and function. While …

The global signal in fMRI: Nuisance or Information?

TT Liu, A Nalci, M Falahpour - Neuroimage, 2017 - Elsevier
The global signal is widely used as a regressor or normalization factor for removing the
effects of global variations in the analysis of functional magnetic resonance imaging (fMRI) …

A parsimonious description of global functional brain organization in three spatiotemporal patterns

T Bolt, JS Nomi, D Bzdok, JA Salas, C Chang… - Nature …, 2022 - nature.com
Resting-state functional magnetic resonance imaging (MRI) has yielded seemingly
disparate insights into large-scale organization of the human brain. The brain's large-scale …

Systemic physiology augmented functional near-infrared spectroscopy: a powerful approach to study the embodied human brain

F Scholkmann, I Tachtsidis, M Wolf, U Wolf - Neurophotonics, 2022 - spiedigitallibrary.org
In this Outlook paper, we explain why an accurate physiological interpretation of functional
near-infrared spectroscopy (fNIRS) neuroimaging signals is facilitated when systemic …

[HTML][HTML] Reduced coupling between cerebrospinal fluid flow and global brain activity is linked to Alzheimer disease–related pathology

F Han, J Chen, A Belkin-Rosen, Y Gu, L Luo… - PLoS …, 2021 - journals.plos.org
The glymphatic system plays an important role in clearing the amyloid-β (Aβ) and tau
proteins that are closely linked to Alzheimer disease (AD) pathology. Glymphatic clearance …

Mayer waves reduce the accuracy of estimated hemodynamic response functions in functional near-infrared spectroscopy

MA Yücel, J Selb, CM Aasted, PY Lin… - Biomedical optics …, 2016 - opg.optica.org
Analysis of cerebral hemodynamics reveals a wide spectrum of oscillations ranging from
0.0095 to 2 Hz. While most of these oscillations can be filtered out during analysis of …

[HTML][HTML] Automated processing of fNIRS data—A visual guide to the pitfalls and consequences

LM Hocke, IK Oni, CC Duszynski, AV Corrigan… - Algorithms, 2018 - mdpi.com
With the rapid increase in new fNIRS users employing commercial software, there is a
concern that many studies are biased by suboptimal processing methods. The purpose of …

[HTML][HTML] Improved physiological noise regression in fNIRS: a multimodal extension of the general linear model using temporally embedded canonical correlation …

A von Lühmann, X Li, KR Müller, DA Boas, MA Yücel - NeuroImage, 2020 - Elsevier
For the robust estimation of evoked brain activity from functional Near-Infrared Spectroscopy
(fNIRS) signals, it is crucial to reduce nuisance signals from systemic physiology and motion …