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Page 296 of None Vol. 60, Issue 1
[page]
2006
None
Preserved Fulltext
Spatio-temporal
mapping of rat whisker barrels with fast scattered light. Neuroimage 26: 618-627, 2005.
. Rector DM and George JS. ...
Quantitative long-term imaging of the functional representation of a whisker in rat barrel cortex. Proc Natl Acad Sci USA 93: 4942-4947, 1996.
. ...
A radial map of multi-whisker correlation selectivity in the rat barrel cortex
2016
Nature Communications
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The barrel cortex also encodes spatio-temporal correlation patterns of multi-whisker inputs, but so far the cortical mapping of neurons tuned to such input statistics is unknown. ...
In the barrel cortex, several features of single-whisker stimuli are organized in functional maps. ...
We are grateful to Valerie Ego-Stengel for her careful reading of the manuscript. ...
doi:10.1038/ncomms13528
pmid:27869114
pmcid:PMC5121329
fatcat:ig7il6bzxfhxnohuf3lkk2vgzi
Is optical imaging spectroscopy a viable measurement technique for the investigation of the negative BOLD phenomenon? A concurrent optical imaging spectroscopy and fMRI study at high field (7T)
2012
NeuroImage
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These experiments suggested that the negative BOLD signal in response to whisker stimulation was a result of an increase in deoxyhaemoglobin and reduced multi-unit activity in the deep cortical layers. ...
We used concurrent fMRI with 2D-OIS techniques for the investigation of the haemodynamics underlying the negative BOLD at 7 Tesla. ...
We thank the technical staff of the lab (Marion Simkins & Natalie Kennerley) for their assistance. ...
doi:10.1016/j.neuroimage.2012.03.015
pmid:22440642
pmcid:PMC3368428
fatcat:a6wlq4rl4rbbnkfcujcfdldavm
Wide-field optical mapping of neural activity and brain haemodynamics: considerations and novel approaches
2016
Philosophical Transactions of the Royal Society of London. Biological Sciences
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One contribution of 15 to a Theo Murphy meeting issue 'Interpreting BOLD: a dialogue between cognitive and cellular neuroscience'. ...
The authors acknowledge foundational work by students Matthew Bouchard, Brenda Chen and Sean Burgess in establishing many aspects of the WFOM methods described here. ...
This signal was found to map accurately to the individual barrels of the rat whisker-barrel region of the cortex. ...
doi:10.1098/rstb.2015.0360
pmid:27574312
pmcid:PMC5003860
fatcat:xim3xpveare2djnntyh6wbcd4u
Quantitative In Vivo Imaging of Tissue Absorption, Scattering, and Hemoglobin Concentration in Rat Cortex Using Spatially Modulated Structured Light
[chapter]
2009
In Vivo Optical Imaging of Brain Function, Second Edition
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Air Force Office of Scientific Research, the Medical Free-Electron Laser Program (F49620-00-2-0371 and FA9550-04-1-0101), and the Beckman Foundation. ...
ACKNOWLEDGMENTS This work was supported by the National Institutes of Health under grants P41-RR01192 (Laser Microbeam and Medical Program: LAMMP), NS-43165 and NS-48350 (NIH-NINDS), by the U.S. ...
We show in Figure 12 .11 the spatio-temporal evolution of both chromophore concentration and scattering changes from the first SD wave in rat 3. ...
doi:10.1201/9781420076851.ch12
fatcat:gbpe2ezvpnewrkxpar27ebciwu
Evidence that cerebral blood volume can provide brain activation maps with better spatial resolution than deoxygenated hemoglobin
2005
NeuroImage
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With the aim of evaluating the relative performance of hemodynamic contrasts for mapping brain activity, the spatio-temporal response of oxy-, deoxy-, and total-hemoglobin concentrations were imaged with ...
diffuse optical tomography during electrical stimulation of the rat somatosensory cortex. ...
Acknowledgments The authors acknowledge financial support from National Institutes of Health Grants, R29-NS38842 (DAB), and P41-RR14075 (DAB), NIH K25-NS44339 (JPC). ...
doi:10.1016/j.neuroimage.2005.05.052
pmid:16084112
fatcat:vgnva6uj5zftjgkg2bdr2tuft4
Validating layer-specific VASO across species
[article]
2020
biorxiv/medrxiv
pre-print
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Indeed, with recent advances in ultra-high-field (>=7T) MRI hardware and associated sequence libraries, it has become possible to capture non-invasive CBV weighted fMRI signals across cortical layers. ...
VASO signal source. ...
high spatio-temporal resolution. ...
doi:10.1101/2020.07.24.219378
fatcat:3byokvcg4vhofkwgh2zheaiuwe
In-vivo Optical Imaging of Cortical Architecture and Dynamics
[chapter]
1999
Modern Techniques in Neuroscience Research
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A similar conclusion has been reached by Frostig and his colleagues in the rat whisker barrel system . ...
Thus, it is preferable to screen the dyes first on the rat whisker barrel system and only then on the relevant preparation. ...
doi:10.1007/978-3-642-58552-4_34
fatcat:7aezzmm2q5f25prybpxdmbwsgm
Synthesis of a comprehensive population code for contextual features in the awake sensory cortex
2021
eLife
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This may explain how the brain exploits the thalamocortical expansion of dimensionality to encode arbitrary complex features of sensory stimuli. ...
How cortical circuits build representations of complex objects is poorly understood. ...
Additionally, whiskers are of variable length and physical properties (Yang et al., 2019) which could also lead to non-intuitive spatio-temporal sequences of whisker-object contacts. ...
doi:10.7554/elife.62687
pmid:34723796
pmcid:PMC8598168
fatcat:2jxvgt5rebhbvnb75tlp5s45ry
Simultaneous Two-Photon Voltage or Calcium Imaging and Multi-Channel Local Field Potential Recordings in Barrel Cortex of Awake and Anesthetized Mice
2021
Frontiers in Neuroscience
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We present both average spontaneous activity and average evoked signals in response to multi-whisker air-puff stimulations. ...
Here, we present a platform combining voltage or calcium two-photon imaging with multi-channel local field potential (LFP) recordings in different layers of the barrel cortex from anesthetized and awake ...
We also thank the Okinawa Institute of Science and Technology Graduate University, Okinawa, Japan, for generous funding. ...
doi:10.3389/fnins.2021.741279
pmid:34867155
pmcid:PMC8632658
fatcat:jum3bhndqng65i6caeeynzrn74
Use of voltage-sensitive dyes and optical recordings in the central nervous system
1995
Progress in Neurobiology
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Therefore, complementary techniques which permit the monitoring of the spatio-temporal activity in neuronal populations are of continued interest. ...
Understanding the spatio-temporal features of the information processing occurring in any complex neural structure requires the monitoring and analysis of the activity in populations of neurons. ...
Cytochrome oxidase staining of the barrels revealed a strong spatial correspondence with the intrinsic signals obtained from whisker stimulation (Masino et al., 1993) . ...
doi:10.1016/0301-0082(95)00010-s
pmid:8532849
fatcat:5rhc6lsrnzfwlp5dy3oamm74km
Spatio-temporal parameters for optical probing of neuronal activity
2021
Biophysical Reviews
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Here, we assess the spatio-temporal parameters of neuronal responses and match them with suitable light-based neurotechnologies as well as photochemical and optogenetic tools. ...
With the aid of the photochemical and optogenetic markers, we can use light to visualize the circuit dynamics of a functioning brain. ...
Images of 5 neurons in the whisker barrel cortex. ...
doi:10.1007/s12551-021-00780-2
pmid:33747244
pmcid:PMC7930150
fatcat:sjw5ejp5bbbgxo22vptkxgmyim
A Corticothalamic Circuit for Refining Tactile Encoding
2018
Social Science Research Network
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This shows that L6 activity can regulate the whisker evoked response over a large temporal range, and with a fast onset. ...
will apply in awake conditions, but in a more refined and spatio-temporally precise manner. ...
L6-Ntsr1 spiking scaled with light intensity ...
doi:10.2139/ssrn.3155792
fatcat:4vffwscycrc4bn3wo2g6sokmti
Neurotransmitter Release at the Thalamocortical Synapse Instructs Barrel Formation But Not Axon Patterning in the Somatosensory Cortex
2012
Journal of Neuroscience
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A barrelless phenotype was found with a dissociation of effects on the presynaptic and postsynaptic cellular elements of the barrel. ...
Thus, efficient synaptic release is required at thalamocortical but not at corticocortical synapses for building the whisker to barrel map and for efficient sensory function. ...
However, the spatio-temporal patterning of the somatosensory-evoked responses was undisturbed. ...
doi:10.1523/jneurosci.0343-12.2012
pmid:22553025
pmcid:PMC3526954
fatcat:6qgnccrxa5dqvk7lioh7x6jcui
Simultaneous stability and sensitivity in model cortical networks is achieved through anti-correlations between the in- and out-degree of connectivity
2013
Frontiers in Computational Neuroscience
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The key advance reported in this work is that anti-correlation between in-/out-degree distributions increased the stability of the network in comparison to networks with no correlation or positive correlations ...
Neuronal networks in rodent barrel cortex are characterized by stable low baseline firing rates. ...
Vasquez and Paul Tiesinga performed the simulations, Paul Tiesinga wrote the manuscript together with Arthur R. Houweling. ...
doi:10.3389/fncom.2013.00156
pmid:24223550
pmcid:PMC3819735
fatcat:c5zxod45jjef3axdigjdglvxtu
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