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Neurovascular Uncoupling under Mild Hypoxic Hypoxia: An EEG–fMRI Study in Rats
2012
Journal of Cerebral Blood Flow and Metabolism
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The effects of oxygen availability on neurovascular coupling were investigated using simultaneous electroencephalography (EEG) and functional magnetic resonance imaging (fMRI), in addition to the monitoring ...
of physiological parameters, in 16 a-chloralose-anesthetized rats. ...
Acknowledgements The authors would like to thank all of our colleagues at Tohoku University for their tremendous support. ...
doi:10.1038/jcbfm.2012.111
pmid:22828997
pmcid:PMC3463877
fatcat:afdiasfoxfdf7inky74qmfhfvm
Validating non-invasive EEG source imaging using optimal electrode configurations on a representative rat head model
[article]
2016
arXiv
pre-print
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With the half and fifth sensitivity volumes we determine both the theoretical minimum electrode separation for non-redundant scalp EEG measurements and the electrode sensitivity resolution, which vary ...
in electrode localizations. ...
Eduardo Martinez Montes for his revision and suggestions and Joe Michel Lopez Inguanso for some useful searches in the Internet. We also thank Professor Pedro A. ...
arXiv:1601.05113v2
fatcat:l3fasgh4wbhhxpndu6bzrppzxa
Dysfunction of Neurovascular/Metabolic Coupling in Chronic Focal Epilepsy
2016
IEEE Transactions on Biomedical Engineering
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associated with ictal activity reflected the existence of a significantly higher baseline for oxygen metabolism in the epileptogenic cortices. ...
To that end, we first analyzed intracranial recordings (electrophysiology, laser Doppler flowmetry and optical imaging) obtained from the seizure onset zones during ictal periods and then used these data ...
A 32-channel EEG mini-cap specifically designed for rodents [33] was placed on top of the epileptic rat's scalp to record the EEG signals (PZ3, Tucker-Davis Technology). ...
doi:10.1109/tbme.2015.2461496
pmid:26241965
fatcat:xdic3u2kojgl5nezoetanimf44
Characterizing and Modulating Brain Circuitry through Transcranial Magnetic Stimulation Combined with Electroencephalography
2016
Frontiers in Neural Circuits
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When one or more large neuronal populations operate in synchrony, for instance in response to an event, a relatively strong electric field is generated and can be recorded at the scalp. ...
In this article, we review the principles of TMS-EEG methodology, factors impacting TMS-EEG outcome measures, and the techniques for preventing and correcting artifacts in TMS-EEG data. ...
Furthermore, simultaneous TMS and single neuron recordings were achieved in alert nonhuman primates (Mueller et al., 2014) . ...
doi:10.3389/fncir.2016.00073
pmid:27713691
pmcid:PMC5031704
fatcat:2jjsolbasfhc7eglq3d2se4dgi
Distributions of Irritative Zones Are Related to Individual Alterations of Resting-State Networks in Focal Epilepsy
2015
PLoS ONE
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In this study, we used EEG recordings and fMRI data obtained simultaneously from a chronic model of focal epilepsy in Wistar rats to verify our hypothesis. ...
Alterations in the connectivity patterns of the fMRI-based resting-state networks (RSNs) have been reported in several types of epilepsies. ...
Peter Herman and Xiaoxian Ma who helped carry out the EEG-fMRI experiments at Yale University, and are grateful to Sarahy Garcia, Adrian Orozco and Denisse Olarte for proofreading. ...
doi:10.1371/journal.pone.0134352
pmid:26226628
pmcid:PMC4520590
fatcat:77okr3qg4fa7vbldotj7die3yi
Global brain signal in awake rats
[article]
2019
bioRxiv
pre-print
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Furthermore, during rsfMRI experiments we simultaneously recorded neural spiking activities in the hippocampus using GCaMP-based fiber photometry. ...
Although often used as a nuisance in resting-state functional magnetic resonance imaging (rsfMRI), the global brain signal in humans and anesthetized animals has important neural basis. ...
Rats were 285 returned to home cages, and allowed for recovery and GCaMP expression for at least 4 weeks. 286 287
Simultaneous calcium-rsfMRI signal recording 288 A two-wavelength GCaMP fiber photometry ...
doi:10.1101/802884
fatcat:yxbkwheqwzdn5fgdlb72udo2hq
Genetic Variations of the NR3A Subunit of the NMDA Receptor Modulate Prefrontal Cerebral Activity in Humans
2007
Journal of Cognitive Neuroscience
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Integration of fMRI and simultaneous EEG: Towards a comprehensive understanding of localization and time-course of brain activity in target detection. ...
Subjects were seated in a slightly reclined chair with a head rest. Evoked responses were recorded with 32 tin electrodes referred to Cz, using an electrode cap. ...
doi:10.1162/jocn.2007.19.1.59
pmid:17214563
fatcat:l4u2hw6dqzhdzfsersk3xenu4y
Epigenetic tuning of brain signal entropy in emergent human social behavior
2020
BMC Medicine
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In study 1, 55 infants provided a saliva sample at 5 months of age for analysis of individual differences in the oxytocinergic system and underwent electroencephalography (EEG) while listening to human ...
In study 2, 60 infants provided a saliva sample and underwent EEG while viewing faces and objects and listening to human speech and water sounds at 4 months of age. ...
Acknowledgements We thank the parents and infants who took part in this study; Diogo Fortes, Andrew Graves, and Amalia McDonald for help with Tissue Comparison Study data collection; Caterina Böttcher, ...
doi:10.1186/s12916-020-01683-x
pmid:32799881
fatcat:6xk72oqd3zga5bdxo56e3gpyvy
The effects of the phosphodiesterase type 5 inhibitor vardenafil on cognitive performance in healthy adults: a behavioral- electroencephalography study
2013
Journal of Psychopharmacology
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Link to publication General rights Copyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of ...
in the public portal. ...
Acknowledgements The authors would like to thank Floriaan Demeester, Ili Ma, Moos Peeters, Conny Quaedflieg and Saranne Jacobs for their technical assistance. ...
doi:10.1177/0269881113477747
pmid:23427190
fatcat:4f2otn3msff6jngm32scpcpfpm
Spatiotemporal patterns of spontaneous brain activity: a mini-review
2022
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The brain exists in a state of constant activity in the absence of any external sensory input. ...
This mini-review outlines different spatiotemporal dynamic patterns that have been identified in four commonly used modalities: electrophysiological recordings, optical imaging, functional magnetic resonance ...
Harrison Watters was supported by the following funding sources: R01MH111416, R01ns078095, and R01eb029857. ...
doi:10.1117/1.nph.9.3.032209
pmid:35434180
pmcid:PMC9005199
fatcat:yae5oleiurdb7oym4remrslz5y
ABSTRACTS
2003
Journal of Neurotherapy
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EEG recordings were conducted with Lexicor's V4.1E software and a 19-channel electrode cap utilizing the 10-20 international electrode placement system. ...
For power analysis there were 2394 simultaneous tests. For power asymmetry analysis there were 1204 simultaneous tests. ...
Thompson, PhD and M. ...
doi:10.1300/j184v07n01_05
fatcat:khlg6k2wanebvaymtzmt4a2pzm
Enhanced Memory Consolidation Via Automatic Sound Stimulation During Non-REM Sleep
2017
Sleep
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Moreover, the ambulatory and automated sound stimulus setup was promising and allows for a broad range of potential follow-up studies in the future. ...
When overnight improvement of memory performance was compared between stimulus and control nights, we found a significant effect in word pair task but not in other memory tasks. ...
We thank sleep technologists Riitta Velin and Nina Lapveteläinen for crucial help in data collection. ...
doi:10.1093/sleep/zsx003
pmid:28364428
pmcid:PMC5806588
fatcat:rst7ezub7zeqrdrlesjbdudtgm
ACNP 58th Annual Meeting: Poster Session III
2019
Neuropsychopharmacology
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The ABC-DS, a novel assessment tool for AD is an effective tool in assessing symptoms and the severity of AD over time. ...
Neurocognitive function was assessed using the Mini-Mental State Examination (MMSE), and BPSD and ADL were assessed by the ABC Dementia Scale (ABC-DS). ...
EEG data was recorded in 5s epochs every 10 minutes for a total of 80 minutes. EEG recordings were conducted again with the same manipulations when the animals attained 6 months of age. ...
doi:10.1038/s41386-019-0547-9
pmid:31801974
pmcid:PMC6957926
fatcat:dd7d43ysfvc5bbbstfl73szya4
A world survey of artificial brain projects, Part I: Large-scale brain simulations
2010
Neurocomputing
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Driven by rapid ongoing advances in computer hardware, neuroscience and computer science, Artificial Brain research and development are blossoming. ...
The large-scale brain simulations we consider in depth here include those by Markram, Modha, Boahen, Horwitz, Edelman, Izhikevich, and Just. ...
They felt that these simulated findings were consistent with well known experimental observations that gamma rhythms are weaker in EEG and MEG recordings than in LFPs and intracranial EEGs [110] . ...
doi:10.1016/j.neucom.2010.08.004
fatcat:hfjpyo3mw5c65bljetgtcdhy7y
ACNP 56th Annual Meeting: Poster Session I, December 4, 2017
2017
Neuropsychopharmacology
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A fasting blood sample was collected and a study physician performed a general medical assessment for each participant. ...
Hospital, a large county hospital and level 1 trauma center in Atlanta, Georgia. ...
Once appropriate stimuli are validated in the rodent task, electroencephalography (EEG) data will be collected and relevant event-related potentials (ERPs) will be evaluated and compared to those recorded ...
doi:10.1038/npp.2017.264
pmid:29192265
fatcat:psc2w4azgrbfhjtxe6oxrnsdaq
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