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Dynamic resting state fMRI analysis in mice reveals a set of Quasi-Periodic Patterns and illustrates their relationship with the global signal

Michaël E. Belloy, Maarten Naeyaert, Anzar Abbas, Disha Shah, Verdi Vanreusel, Johan van Audekerke, Shella D. Keilholz, Georgios A. Keliris, Annemie Van der Linden, Marleen Verhoye
<span title="">2018</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/sa477uo7lveh7hchpikpixop5u" style="color: black;">NeuroImage</a> </i> &nbsp;
Here, we report for the first time the detection of a set of recurring spatiotemporal Quasi-Periodic Patterns (QPPs) in mice, which show spatial similarity with known resting state networks.  ...  Furthermore, we establish a close relationship between several of these patterns and the global signal.  ...  Single subject detection of Quasi-Periodic Patterns and the relationship with group analysis Illustrations of QPPs detected for single subject three-slice images, with (left) and without (right) GSR: A  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuroimage.2018.01.075">doi:10.1016/j.neuroimage.2018.01.075</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/29454935">pmid:29454935</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC6093802/">pmcid:PMC6093802</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/daky4lgx5rdkpdk6lg2ylpt5oa">fatcat:daky4lgx5rdkpdk6lg2ylpt5oa</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200211114657/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC6093802&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/f4/c9/f4c982ca1133d7fc29b4e0a1117d7726e2bb10ea.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuroimage.2018.01.075"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6093802" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Resting brain fluctuations are intrinsically coupled to visual response dynamics [article]

Michael E Belloy, Jacob Billings, Anzar Abbas, Amrit Kashyap, Wen-ju Pan, Rukun Hinz, Verdi Vanreusel, Johan Vanaudekerke, Annemie Van der Linden, Shella D Keilholz, Marleen Verhoye, Georgios A Keliris
<span title="2019-05-27">2019</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
While visual stimulation could trigger a transient spatiotemporal pattern highly similar to intrinsic QPPs, global signal fluctuations and QPPs during rest periods could explain variance in the following  ...  QPPs and the global signal thus appeared to capture a common arousal-related brain-state fluctuation, orchestrated through neuromodulation.  ...  Another resting state study in mice, using different 415 anesthesia, also observed strong phase coupling between the global signal and oscillatory that global signal and STP dynamics in response to visual  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/650291">doi:10.1101/650291</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/z7mngsuffbcuva6kfduj2tvoaq">fatcat:z7mngsuffbcuva6kfduj2tvoaq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200324101718/https://www.biorxiv.org/content/biorxiv/early/2019/05/27/650291.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/0d/ba/0dbae9cff98fc4609491e50d8ac34344eb80568a.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/650291"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Oscillatory brain states govern spontaneous fMRI network dynamics [article]

Daniel Gutierrez-Barragan, M. Albert Basson, Stefano Panzeri, Alessandro Gozzi
<span title="2018-08-20">2018</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
Our approach reveals a new set of fundamental principles guiding the spatiotemporal organization of resting state fMRI activity, and its disruption in brain disorders.  ...  We devised a frame-wise clustering approach to map spatiotemporal dynamics of spontaneous fMRI activity with voxel resolution in the resting mouse brain.  ...  Functional states transitions occur at specific phases of global fMRI signal Interestingly, our power analyses also revealed that the fMRI global signal (GS) presents a power spectrum peak in the same  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/393389">doi:10.1101/393389</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/v5wzcom7w5cb3i7m5lkrnfexda">fatcat:v5wzcom7w5cb3i7m5lkrnfexda</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20190502103224/https://www.biorxiv.org/content/biorxiv/early/2018/08/20/393389.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/3c/75/3c75b29d28bd9b0136fe2bf58308f65d21aee1a4.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/393389"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Functional Connectivity of the Brain Across Rodents and Humans [article]

Nan Xu, Theodore J. LaGrow, Nmachi Anumba, Azalea Lee, Xiaodi Zhang, Behnaz Yousefi, Yasmine Bassil, Gloria Perrin Clavijo, Vahid Khalilzad Sharghi, Eric Maltbie, Lisa Meyer-Baese, Maysam Nezafati (+2 others)
<span title="2022-02-08">2022</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
Applications demonstrating the use of rs-fMRI as a translational tool for cross-species analysis are discussed, with an emphasis on neurological and psychiatric disorders.  ...  Resting-state functional magnetic resonance imaging (rs-fMRI), which measures the spontaneous fluctuations in the blood oxygen level-dependent (BOLD) signal, is increasingly utilized for the investigation  ...  Acknowledgments The authors would like to thank Harry Watters for helpful discussions, and acknowledge funding from 1R01MH111416, 1R01NS078095, and 1R01EB029857.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/2111.05912v5">arXiv:2111.05912v5</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/6vqseyf5qvgdjdbhy5esnpjrse">fatcat:6vqseyf5qvgdjdbhy5esnpjrse</a> </span>
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Quasi-Periodic Patterns of Neural Activity improve Classification of Alzheimer's Disease in Mice

Michaël E. Belloy, Disha Shah, Anzar Abbas, Amrit Kashyap, Steffen Roßner, Annemie Van der Linden, Shella D. Keilholz, Georgios A. Keliris, Marleen Verhoye
<span title="2018-07-03">2018</span> <i title="Springer Nature"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/tnqhc2x2aneavcd3gx5h7mswhm" style="color: black;">Scientific Reports</a> </i> &nbsp;
Quasi-periodic patterns (QPPs) of neural activity describe recurring spatiotemporal patterns that display DMN with TPN anti-correlation.  ...  Temporal correlation of the BOLD signal across spatially distinct brain areas reveals their functional connectivity (FC). In humans, rsfMRI identifies several resting state networks (RSNs) 5,6 .  ...  Acknowledgements The authors thank Behanz Yousefi for her valuable comments and helpful discussions.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1038/s41598-018-28237-9">doi:10.1038/s41598-018-28237-9</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/29968786">pmid:29968786</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC6030071/">pmcid:PMC6030071</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/mcvy66gjbvawnjd3xr7yxawvey">fatcat:mcvy66gjbvawnjd3xr7yxawvey</a> </span>
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Single neuron firing cascades underlie global spontaneous brain events [article]

Xiao Liu, David A Leopold, Yifan Yang
<span title="2021-01-24">2021</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
We found that firing of a significant proportion (~70%) of neurons conformed to a ubiquitous, temporally sequenced cascade of spiking that was synchronized with global events and elapsed over timescales  ...  The resting brain consumes enormous energy and shows highly organized spontaneous activity.  ...  Quasi-periodic patterns of 587 intrinsic brain activity in individuals and their relationship to global signal. Neuroimage 588 167, 297-308 (2018). 589 9.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2021.01.22.427798">doi:10.1101/2021.01.22.427798</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/z5kwjwqcrfajlh4fxwz46enxwa">fatcat:z5kwjwqcrfajlh4fxwz46enxwa</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210429183154/https://www.biorxiv.org/content/biorxiv/early/2021/01/24/2021.01.22.427798.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/b8/9a/b89a2a2eb8c4857cd81975a8b778763304f952a6.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2021.01.22.427798"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Functional Connectivity of the Brain Across Rodents and Humans

Nan Xu, Theodore J. LaGrow, Nmachi Anumba, Azalea Lee, Xiaodi Zhang, Behnaz Yousefi, Yasmine Bassil, Gloria P. Clavijo, Vahid Khalilzad Sharghi, Eric Maltbie, Lisa Meyer-Baese, Maysam Nezafati (+2 others)
<span title="2022-03-08">2022</span> <i title="Frontiers Media SA"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/wrk3kouosrhcxiprcbguskdipu" style="color: black;">Frontiers in Neuroscience</a> </i> &nbsp;
Applications demonstrating the use of rs-fMRI as a translational tool for cross-species analysis are discussed, with an emphasis on neurological and psychiatric disorders.  ...  Resting-state functional magnetic resonance imaging (rs-fMRI), which measures the spontaneous fluctuations in the blood oxygen level-dependent (BOLD) signal, is increasingly utilized for the investigation  ...  Quasi-Periodic Patterns Quasi-periodic patterns (QPPs) are spatiotemporal patterns of activity that occur repeatedly throughout the scan.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fnins.2022.816331">doi:10.3389/fnins.2022.816331</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/35350561">pmid:35350561</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8957796/">pmcid:PMC8957796</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/kkfqmlxlyncbzinrgrqtu6p4ia">fatcat:kkfqmlxlyncbzinrgrqtu6p4ia</a> </span>
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Imaging the temporal dynamics of brain states with highly sampled fMRI

Zinong Yang, Laura D Lewis
<span title="2021-03-17">2021</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/mfhsi7xuyvekxe7wmyljspgmz4" style="color: black;">Current Opinion in Behavioral Sciences</a> </i> &nbsp;
This review focuses on recent developments in using fMRI to identify dynamics across brain states, particularly vigilance and sleep states, and the potential for highly temporally sampled fMRI to answer  ...  have revealed important new information about the dynamics underlying states such as arousal, attention, and sleep.  ...  Grant from the Brain and Behavior Research Foundation, and the Richard and Susan Smith Family Foundation, Newton, MA.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.cobeha.2021.02.005">doi:10.1016/j.cobeha.2021.02.005</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/34734109">pmid:34734109</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8562679/">pmcid:PMC8562679</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/nrdfdb7bmjegxmgl4hz23v2cay">fatcat:nrdfdb7bmjegxmgl4hz23v2cay</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210528180442/https://pdf.sciencedirectassets.com/308310/1-s2.0-S2352154620X00076/1-s2.0-S2352154621000279/main.pdf?X-Amz-Security-Token=IQoJb3JpZ2luX2VjELr%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJHMEUCIAX11WLSk8RWHlndx6dbxG3mLBBAtdayk8ik%2BdhTzJrdAiEAmKKlk68kCekyn5pg7uVD%2FTZJNGp6g2D33ueo2Z8Df1gq%2BgMIYhAEGgwwNTkwMDM1NDY4NjUiDNq0YxeFbrpyl%2FfKjyrXA90yoXiTzobDNaXFkWx8YubW02YEa97F0Tr2ztn4RAQ48uYX%2Fy6nowjpT8SZkciOMMKmVn%2FpLZTnx94wPoRq2MHGUmMHv6KwIRb5X0hjyTV%2FbwCzyT8aqvcVo%2B2sfDAxM0sTA%2BEn0yHidBc7fLfUzZCXZMaEBVYNh9noQfqyz8l56koD8DN5buzCBbazPSgk2k17U660FmmujBfebJxj1KuKJx%2FPlKvhWuOAkmiqdeJUX1X%2FrvL9liyHkTE5L64Qmevth69Ct5iZxEH%2BFOS544DPRb5La5pJyI7owci0NzQUW9FU4BkOw7soz%2BMZXUJ2WIFr%2BA%2Bpc0kWBuJxAtRPN3obaHveCZPo2A7B5DYFRea9LtAWnU8RwvQLXgdj33FmD%2Bv5VPXo51gx3aShKshmu7xbZyBqY%2BNswD8R2vOJW6ixw1%2BfYQirGWLYB7U1C05gPS5jfewaUZAhWc6H9ICHS06vxtE1G3qdFwJ6Hok4w6VtOInC4j1FxLQHWoUdI4BbHhVRSvAIKdtLqWt7XRS%2FTMASWGyrs%2FgNIoPeTQigB8hGgvy21a1WuTndohKtmUm5SJCwuYu7F4Uz80t919SmrReTbSgDL21Yr3hVLhvvW6aQm4pGfVhM%2FDCDxsSFBjqlAbFNi4zSgI4SgLQ8eNsGwtSAZZMma%2BqL7%2BLF6%2FbMpNWD%2BzZAF%2Brq4%2F15Hamrl2dG6DrudtQHTr2E9EKxit2qw0xwciM2j1vuSbv2G5NgI%2F7t8g%2BuJfWigNT3RUuImx7G4d9uCZvsv0dHl7%2Bw0mMR5jrhaRl19EzpV6I4XMQfAKiO5xVP8XsymwqcsKv6zVe99721M5Ujnv%2Bd5Kz3VATCa2pgz0VF2A%3D%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Date=20210528T180436Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=300&amp;X-Amz-Credential=ASIAQ3PHCVTYZEVAGPU3%2F20210528%2Fus-east-1%2Fs3%2Faws4_request&amp;X-Amz-Signature=6217e9be2aaa2e3f013ef7bfa40f4dedaf5526ac86dfbc38ab27dbf644fe1902&amp;hash=d824d5a29ec14833dc63141835cc317d62516a00692b02d99dda86b348bae8b4&amp;host=68042c943591013ac2b2430a89b270f6af2c76d8dfd086a07176afe7c76c2c61&amp;pii=S2352154621000279&amp;tid=spdf-46e3b8cc-c1cd-4268-b93c-1dc36a619aed&amp;sid=31dcbacf7354684c8e89ddd4a686af7f67e7gxrqa&amp;type=client" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/8b/fd/8bfdcef8b362d7ebe7a79c63ebe3391348c13934.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.cobeha.2021.02.005"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> elsevier.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8562679" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

The (Un)Conscious Mouse as a Model for Human Brain Functions: Key Principles of Anesthesia and Their Impact on Translational Neuroimaging

Henning M. Reimann, Thoralf Niendorf
<span title="2020-05-19">2020</span> <i title="Frontiers Media SA"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/j33hgvvadjhazfxeupgxga54ai" style="color: black;">Frontiers in Systems Neuroscience</a> </i> &nbsp;
Based on this, a simple and comprehensive functional neurosignature pattern can be determined for use in defining brain states and anesthetic depth in rest and in response to stimuli.  ...  The further development of balanced multimodal anesthesia, combining two or more drugs with complementary modes of action helps to shape and maintain specific brain states and relevant aspects of murine  ...  Nikoloz Sirmpilatze (Functional Imaging Laboratory, Deutsches Primatenzentrum, Göttingen, Germany) for valuable discussions, reading and commenting on the manuscript.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fnsys.2020.00008">doi:10.3389/fnsys.2020.00008</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/32508601">pmid:32508601</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC7248373/">pmcid:PMC7248373</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/eelkqgl3ybbchpbxeiamp54jea">fatcat:eelkqgl3ybbchpbxeiamp54jea</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200520012912/https://fjfsdata01prod.blob.core.windows.net/articles/files/482434/pubmed-zip/.versions/1/.package-entries/fnsys-14-00008/fnsys-14-00008.pdf?sv=2015-12-11&amp;sr=b&amp;sig=ZyXkFTjQxPTUz4fufSa41cGiM09%2BvWAlpIefC%2FiXlng%3D&amp;se=2020-05-20T01%3A29%3A41Z&amp;sp=r&amp;rscd=attachment%3B%20filename%2A%3DUTF-8%27%27fnsys-14-00008.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/a8/0d/a80dcb69ea7b3ea426fc9a734e72ee0853472a4a.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fnsys.2020.00008"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> frontiersin.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7248373" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Spontaneous Fluctuations and Non-linear Ignitions: Two Dynamic Faces of Cortical Recurrent Loops

Clément Moutard, Stanislas Dehaene, Rafael Malach
<span title="">2015</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/5lze265mrrcddlccx7zpfjyjwi" style="color: black;">Neuron</a> </i> &nbsp;
ACKNOWLEDGMENTS The authors declare that they have no conflicts of interest. The research leading to these results has received funding from the European Union (  ...  fluctuations during rest and their relationship to spontaneous activity fluctuations could potentially reveal some indication of the cognitive state of individuals without interfering with their resting  ...  A similar relationship between the dynamics of resting and task activations was found in a meta-analysis of neuronal activity responses in monkey cortex (Murray et al., 2014) .  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuron.2015.09.018">doi:10.1016/j.neuron.2015.09.018</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/26447581">pmid:26447581</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/ecvyiixbqvfv5pukapw5svzshq">fatcat:ecvyiixbqvfv5pukapw5svzshq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20171002224111/http://publisher-connector.core.ac.uk/resourcesync/data/elsevier/pdf/bf8/aHR0cDovL2FwaS5lbHNldmllci5jb20vY29udGVudC9hcnRpY2xlL3BpaS9zMDg5NjYyNzMxNTAwNzc1OA%3D%3D.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/99/ce/99ce3b0912cfc11de4f1b2db07c69315abe7d812.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1016/j.neuron.2015.09.018"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> elsevier.com </button> </a>

Origins of 1/f-like tissue oxygenation fluctuations in the murine cortex

Qingguang Zhang, Kyle W. Gheres, Patrick J. Drew, Simon Hanslmayr
<span title="2021-07-15">2021</span> <i title="Public Library of Science (PLoS)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/tsaumnzpkvdmvdi3blhl5clb24" style="color: black;">PLoS Biology</a> </i> &nbsp;
Here, to gain insight of the origin of the 1/f-like oxygen fluctuations, we investigated the dynamics of tissue oxygenation and neural activity in awake behaving mice.  ...  The concentration of oxygen in the brain spontaneously fluctuates, and the distribution of power in these fluctuations has a 1/f-like spectra, where the power present at low frequencies of the power spectrum  ...  Acknowledgments We thank Nanyin Zhang and Yuncong Ma for comments on this manuscript.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1371/journal.pbio.3001298">doi:10.1371/journal.pbio.3001298</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/34264930">pmid:34264930</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8282088/">pmcid:PMC8282088</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/zv6wyacy3ze45eup5hmly2ju3a">fatcat:zv6wyacy3ze45eup5hmly2ju3a</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210717100406/https://storage.googleapis.com/plos-corpus-prod/10.1371/journal.pbio.3001298/1/pbio.3001298.pdf?X-Goog-Algorithm=GOOG4-RSA-SHA256&amp;X-Goog-Credential=wombat-sa%40plos-prod.iam.gserviceaccount.com%2F20210717%2Fauto%2Fstorage%2Fgoog4_request&amp;X-Goog-Date=20210717T100406Z&amp;X-Goog-Expires=86400&amp;X-Goog-SignedHeaders=host&amp;X-Goog-Signature=46c2bca2fa60fd989636ad3c6a78eda7cbba989ccea8aa0875a6fbab2e431fd643275f218c2cd4087789520e90bc6a8736844f2ed03812720c2be754b9ce31c7f16bcd1f9f79432f3a0bdb88a1ba7ddad6c8808127e7e0c987dd93b5b25848af49e30af663ccd28e631cb815e8f7af48a508afe84357f381879b5412f09e253f9d774c0a4b31bb07bdbbf25641b898c563c5d6eb16e0be10b6f19742e385a85cac20a4b4509cfa9f8c3bfe4bf88592fecd6af75897bdfa8efe2b35b17d3ccb183f50752a3af7e981c0b51552a6ad090909801a4040dfd56bb5e5b9d4fc32952d9deb98abc4c672719bc79589c938867cfe2ab44fd4347e1371a315f574cc55c9" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/a3/97/a3978fe249092733466e1be3fc88aa0ef06ae21d.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1371/journal.pbio.3001298"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> plos.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8282088" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Brain activity fluctuations propagate as waves traversing the cortical hierarchy [article]

Yameng Gu, Lucas E Sainburg, Sizhe Kuang, Feng Han, Jack W Williams, Yikang Liu, Nanyin Zhang, Xiang Zhang, David A Leopold, Xiao Liu
<span title="2020-08-19">2020</span> <i title="Cold Spring Harbor Laboratory"> bioRxiv </i> &nbsp; <span class="release-stage" >pre-print</span>
The findings demonstrate a neural origin of spatiotemporal fMRI wave propagation at rest and link it to the principal gradient of resting-state fMRI connectivity.  ...  The brain exhibits highly organized patterns of spontaneous activity as measured by resting-state fMRI fluctuations that are being widely used to assess the brain functional connectivity.  ...  Wong CW, DeYoung PN, Liu TT (2016) Differences in the resting-state fMRI global signal amplitude between the eyes open and eyes closed states are related to changes in EEG vigilance.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.08.18.256610">doi:10.1101/2020.08.18.256610</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/k4vtedfphreg3l6deu7gzuj7rq">fatcat:k4vtedfphreg3l6deu7gzuj7rq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20201108215445/https://www.biorxiv.org/content/biorxiv/early/2020/08/19/2020.08.18.256610.full.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/a6/a0/a6a054b9a97062942581cf42bac62390f0262a97.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1101/2020.08.18.256610"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="external alternate icon"></i> biorxiv.org </button> </a>

Spectral analysis of physiological brain pulsations affecting the BOLD signal

Lauri Raitamaa, Niko Huotari, Vesa Korhonen, Heta Helakari, Anssi Koivula, Janne Kananen, Vesa Kiviniemi
<span title="2021-05-26">2021</span> <i title="Wiley"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/wtsn7qcbmrhjppax2iuhu4xj2m" style="color: black;">Human Brain Mapping</a> </i> &nbsp;
A quasi-periodic pattern (QPP) analysis showed that the CREM pulsations propagated as waves, with a spatiotemporal pattern differing from that of respiratory pulsations, indicating them to be distinct  ...  In conclusion, the respiration has a dominant effect on the global BOLD signal and directly modulates cardiovascular brain pulsations.  ...  Open access funding enabled and organized by Projekt DEAL.  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/hbm.25547">doi:10.1002/hbm.25547</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/34037278">pmid:34037278</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC8356994/">pmcid:PMC8356994</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/6tgz27ljpjcb3nk5qmbhk5xthi">fatcat:6tgz27ljpjcb3nk5qmbhk5xthi</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20210718040037/https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/hbm.25547" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/50/09/500937deb0c751eccb151e1871defed951fb01fb.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1002/hbm.25547"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> wiley.com </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8356994" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>

Fractals in the Nervous System: conceptual Implications for Theoretical Neuroscience [article]

Gerhard Werner
<span title="2010-04-07">2010</span> <i > arXiv </i> &nbsp; <span class="release-stage" >pre-print</span>
This essay is presented with two principal objectives in mind: first, to document the prevalence of fractals at all levels of the nervous system, giving credence to the notion of their functional relevance  ...  ; and second, to draw attention to the as yet still unresolved issues of the detailed relationships among power law scaling, self-similarity, and self-organized criticality.  ...  Differences between low frequency BOLD signal spectral power in task and rest periods also support the notion of fMRI reflecting meaningful brain states (Duff et al, 2008) , as do the emotional task dependent  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/0910.2741v2">arXiv:0910.2741v2</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/nj6zeigotrdnrkaoivgcjxcuke">fatcat:nj6zeigotrdnrkaoivgcjxcuke</a> </span>
<a target="_blank" rel="noopener" href="https://archive.org/download/arxiv-0910.2741/0910.2741.pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> File Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/da/eb/daebe007fb14af509958ffbc4de234f70770a754.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener" href="https://arxiv.org/abs/0910.2741v2" title="arxiv.org access"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> arxiv.org </button> </a>

Fractals in the nervous system: conceptual implications for theoretical neuroscience

Gerhard Werner
<span title="">2010</span> <i title="Frontiers Media SA"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/evju7ot335gbrctgmomg4gg6je" style="color: black;">Frontiers in Physiology</a> </i> &nbsp;
This essay is presented with two principal objectives in mind: first, to document the prevalence of fractals at all levels of the nervous system, giving credence to the notion of their functional relevance  ...  ; and second, to draw attention to the as yet still unresolved issues of the detailed relationships among power-law scaling, self-similarity, and self-organized criticality.  ...  Differences between low frequency BOLD signal spectral power in task and rest periods also support the notion of fMRI reflecting meaningful brain states (Duff et al., 2008) , as do the emotional task-dependent  ... 
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fphys.2010.00015">doi:10.3389/fphys.2010.00015</a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pubmed/21423358">pmid:21423358</a> <a target="_blank" rel="external noopener" href="https://pubmed.ncbi.nlm.nih.gov/PMC3059969/">pmcid:PMC3059969</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/qjhzo4ioarg35crh3eblkxfyiq">fatcat:qjhzo4ioarg35crh3eblkxfyiq</a> </span>
<a target="_blank" rel="noopener" href="https://web.archive.org/web/20200208114224/http://europepmc.org/backend/ptpmcrender.fcgi?accid=PMC3059969&amp;blobtype=pdf" title="fulltext PDF download" data-goatcounter-click="serp-fulltext" data-goatcounter-title="serp-fulltext"> <button class="ui simple right pointing dropdown compact black labeled icon button serp-button"> <i class="icon ia-icon"></i> Web Archive [PDF] <div class="menu fulltext-thumbnail"> <img src="https://blobs.fatcat.wiki/thumbnail/pdf/7f/d5/7fd58b733661754c9cc8c0967db1557ea7bf85a2.180px.jpg" alt="fulltext thumbnail" loading="lazy"> </div> </button> </a> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.3389/fphys.2010.00015"> <button class="ui left aligned compact blue labeled icon button serp-button"> <i class="unlock alternate icon" style="background-color: #fb971f;"></i> frontiersin.org </button> </a> <a target="_blank" rel="external noopener" href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059969" title="pubmed link"> <button class="ui compact blue labeled icon button serp-button"> <i class="file alternate outline icon"></i> pubmed.gov </button> </a>
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