Filters








1,333 Hits in 7.9 sec

Dynamic community detection reveals transient reorganization of functional brain networks across a female menstrual cycle

Joshua M. Mueller, Laura Pritschet, Tyler Santander, Caitlin M. Taylor, Scott T. Grafton, Emily Goard Jacobs, Jean M. Carlson
2020 Network Neuroscience  
Nodes from these regions exhibited strong intranetwork increases in functional connectivity, leading to a split in the stable default mode core community and the transient formation of a new functional  ...  Limbic, subcortical, and attention networks exhibited higher than expected levels of nodal flexibility, a hallmark of between-network integration and transient functional reorganization.  ...  Further, a decline of sex hormones to chronically low states occurs in postreproductive years, decades prior to diagnoses of Alzheimer's disease.  ... 
doi:10.1162/netn_a_00169 pmid:33688609 pmcid:PMC7935041 fatcat:nsygyda65bh4lbr3sht7f22edi

The stability of memories during brain remodeling: A perspective

Douglas J Blackiston, Tal Shomrat, Michael Levin
2015 Communicative & Integrative Biology  
However, the brain is not always an anatomically stable structure: many animal species regenerate all or part of the brain after severe injury, or remodel their CNS toward a new configuration as part of  ...  O ne of the most important features of the nervous system is memory: the ability to represent and store experiences, in a manner that alters behavior and cognition at future times when the original stimulus  ...  this finding particularly provocative is the fact that tau protein shows high phosphorylation in patients suffering from Alzheimer's disease, perhaps positioning the ground squirrel as a model to examine  ... 
doi:10.1080/19420889.2015.1073424 pmid:27066165 pmcid:PMC4802789 fatcat:dcxbwrciarbk3g5rxbylaq3siu

Dynamic community detection reveals transient reorganization of functional brain networks across a female menstrual cycle [article]

Joshua M Mueller, Laura Pritschet, Tyler Santander, Caitlin M Taylor, Scott T Grafton, Emily G. Jacobs, Jean M Carlson
2020 bioRxiv   pre-print
Nodes from these regions exhibited strong intra-network increases in functional connectivity, leading to a split in the stable default mode core community and the transient formation of a new functional  ...  Probing the spatiotemporal basis of human brain-hormone interactions with dynamic community detection suggests that ovulation results in a temporary, localized patterns of brain network reorganization.  ...  Here, we expand on this finding and identify 400 a subnetwork of the DMN that is likely driving this 401 reorganization.  ... 
doi:10.1101/2020.06.29.178152 fatcat:fuq2v7xfgzgargymteq7kvlb4i

Enriching Communicative Environments: Leveraging Advances in Neuroplasticity for Improving Outcomes in Neurogenic Communication Disorders

Julie A. Hengst, Melissa C. Duff, Theresa A. Jones
2018 American Journal of Speech-Language Pathology  
Such interventions would require clinicians to use the principles outlined here to enrich communicative environments and to target distributed communication in functional systems (not the isolated language  ...  Conclusions This article concludes by arguing that enriching and optimizing environments and experiences offers a very promising approach to rehabilitation efforts designed to enhance the reorganization  ...  Illinois (Hengst); the National Institute on Deafness and Other Communication Disorders Grant R01 DC011755 (Duff); and the Marion Morse Woods Fellowship, Graduate College, University of Illinois (Devanga  ... 
doi:10.1044/2018_ajslp-17-0157 pmid:30453323 pmcid:PMC6437703 fatcat:kci6moczi5h6zh2jwuedticxoi

Multisensory Integration as a Window into Orderly and Disrupted Cognition and Communication

Mark T. Wallace, Tiffany G. Woynaroski, Ryan A. Stevenson
2019 Annual Review of Psychology  
During our everyday lives, we are confronted with a vast amount of information from several sensory modalities.  ...  Research carried out over the last half century has provided new insights into the way such multisensory processing improves human performance and perception; the neurophysiological foundations of multisensory  ...  Audiovisual attention for robots from a developmental perspective. In 3rd  ... 
doi:10.1146/annurev-psych-010419-051112 pmid:31518523 fatcat:vg4ei5sz3nauhe6qk5h5hcmyla

Network Representation Learning With Community Awareness and Its Applications in Brain Networks

Min Shi, Bo Qu, Xiang Li, Cong Li
2022 Frontiers in Physiology  
Compared with DANRL-CA-AM, DANRL-CA-CSM can more flexibly coordinate the role of node attributes and community information in the process of network representation learning, and shows superiority in the  ...  ., community structure, an essential property in real networks, has not been thoroughly studied in the network representation learning.  ...  Key Project of PCL (Grant No.  ... 
doi:10.3389/fphys.2022.910873 pmid:35711311 pmcid:PMC9196130 fatcat:j4n5coumt5f4bj3eczap7rs7ga

Computational Models of Dementia and Neurological Problems [chapter]

Włodzisław Duch
2007 Msphere  
Key words: neural networks; cognitive computational neuroscience; associative memory models, cortical reorganization, computational models in psychiatry, Parkinson disease, Alzheimer disease.  ...  Recent advances in computational modeling of epilepsy, cortical reorganization after lesions, Parkinson's and Alzheimer diseases are reviewed.  ...  I am grateful to the Polish Committee of Scientific Research for a grant (2005)(2006)(2007)) that partially supported this research.  ... 
doi:10.1007/978-1-59745-520-6_17 pmid:18368373 fatcat:ojmzi3fwujhhhguxplcx6ie2ca

Cell-to-Cell Communication in Learning and Memory: From Neuro- and Glio-Transmission to Information Exchange Mediated by Extracellular Vesicles

Schiera, Di Liegro, Di Liegro
2019 International Journal of Molecular Sciences  
The most extraordinary property of this cellular community is its ability to undergo adaptive modifications in response to environmental cues originating from inside or outside the body.  ...  Nerve cells communicate with each other through both wiring (synaptic) and volume transmission of signals.  ...  Acknowledgments: The authors are supported by the Università degli Studi di Palermo (University of Palermo), Palermo, Italy. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/ijms21010266 pmid:31906013 pmcid:PMC6982255 fatcat:m6yyx7bau5dgzgvolpcfvoyhea

Brain Networks Reorganization During Maturation and Healthy Aging-Emphases for Resilience

Gabriel Gonzalez-Escamilla, Muthuraman Muthuraman, Venkata C Chirumamilla, Johannes Vogt, Sergiu Groppa
2018 Frontiers in Psychiatry  
Furthermore, important processes of preservation and compensation of brain function occur continuously in the cerebral brain networks and drive physiological responses to life events.  ...  on the other remains a challenge.  ...  This work was supported by a grant from the German Research Council (DFG; CRC-1193).  ... 
doi:10.3389/fpsyt.2018.00601 pmid:30519196 pmcid:PMC6258799 fatcat:od7cavrejrawzag3i2efviwquu

Injury and repair in the neurovascular unit

Changhong Xing, Kazuhide Hayakawa, Josephine Lok, Ken Arai, Eng H Lo
2012 Neurological Research  
plasticity in damaged and diseased brain.  ...  Cell-cell signaling between neuronal, glial, and vascular elements in the brain not only mediates the mechanisms of acute injury.  ...  In Alzheimer's disease, hippocampal degeneration is often accompanied by a reorganization of cholinergic networks from the basal forebrain. 44 From a functional perspective, plasticity in frontal regions  ... 
doi:10.1179/1743132812y.0000000019 pmid:22643075 pmcid:PMC3985722 fatcat:g52hbaczxjcehll2ccjikez54q

Complexity of dopamine metabolism

Johannes Meiser, Daniel Weindl, Karsten Hiller
2013 Cell Communication and Signaling  
Parkinson's disease (PD) coincides with a dramatic loss of dopaminergic neurons within the substantia nigra. A key player in the loss of dopaminergic neurons is oxidative stress.  ...  This is followed by a short overview of cellular models currently used in PD research. Finally, we will address the topic from a medical point of view which directly aims to encounter PD.  ...  Acknowledgements The Authors want to thank the Metabolomics group of the LCSB for careful reading and feedback.  ... 
doi:10.1186/1478-811x-11-34 pmid:23683503 pmcid:PMC3693914 fatcat:dbvsqtplu5h2xbgenpto77ncfa

Neurological impressions on the organization of language networks in the human brain

Fabricio Ferreira de Oliveira, Sheilla de Medeiros Correia Marin, Paulo Henrique Ferreira Bertolucci
2016 Brain Injury  
Method: Review of the literature Results: Several theories try to explain the organization of language networks in the human brain from a point of view that involves either modular or distributed processing  ...  Language is dependent on a hierarchical interlinkage of serial and parallel processing areas in distinct brain regions considered to be elementary processing units.  ...  The authors acknowledge the financial support by FAPESP -The State of São Paulo Research Foundation (grant #2015/10109-5). The authors report no conflicts of interest.  ... 
doi:10.1080/02699052.2016.1199914 pmid:27740867 fatcat:eiaio26g3vadrpqitaj5uf3xyi

Oral Communication Abstracts

2014 Fundamental & Clinical Pharmacology  
In 2009, a first study, performed in all the geriatric units of a universitary hospital, showed that numerous errors were made during prescription, preparation, administration.  ...  A survey was performed in June 2013, including 719 inpatients (85 AE 7 years).  ...  This finding argued for cortical voice processing reorganization in congenitally deaf children fitted with a cochlear implant.  ... 
doi:10.1111/fcp.12064 pmid:24762006 fatcat:yg6v6wzrgjab5pvcwv2omd5hpy

Molecular Communication Between Neuronal Networks and Intestinal Epithelial Cells in Gut Inflammation and Parkinson's Disease

Alice Drobny, Phuong A. Ngo, Markus F. Neurath, Friederike Zunke, Rocío López-Posadas
2021 Frontiers in Medicine  
Further, we focus on the contribution of intestinal epithelium, the communication between intestinal epithelial cells, microbiota, immune and neuronal cells, as well as mechanisms causing alterations of  ...  In this review, we summarize the bidirectional communication between the brain and the gut in the context of Parkinson's disease and intestinal dysfunction/inflammation as present in inflammatory bowel  ...  All authors approved the final version of the manuscript. ACKNOWLEDGMENTS We thank PD Dr. Wei Xiang and Dr.  ... 
doi:10.3389/fmed.2021.655123 fatcat:hyihkic3e5dztoyl4exrmfiada

Repetitive Transcranial Magnetic Stimulation, Cognition, and Multiple Sclerosis: An Overview

Grigorios Nasios, Lambros Messinis, Efthimios Dardiotis, Panagiotis Papathanasopoulos
2018 Behavioural Neurology  
A major aspect of the disease is brain volume loss (BVL), present in all phases and types (relapsing and progressive) of the disease and linked to both motor and cognitive disabilities.  ...  In this overview, we focus on the brain's functional reorganization in MS, theoretical and practical aspects of rTMS utilization in humans, and its potential therapeutic role in treating cognitively impaired  ...  Conflicts of Interest The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.  ... 
doi:10.1155/2018/8584653 pmid:29568339 pmcid:PMC5822759 fatcat:m226nkyjyzez7ebopd5vmyl3ai
« Previous Showing results 1 — 15 out of 1,333 results