multi-site electrode array Search Results


recordings sites  (NeuroNexus Technologies)
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NeuroNexus Technologies recordings sites
Recordings Sites, supplied by NeuroNexus Technologies, used in various techniques. Bioz Stars score: 97/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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channel silicone linear array electrodes  (NeuroNexus Technologies)
90
NeuroNexus Technologies channel silicone linear array electrodes
Figure5. Spatial–temporalrepresentationofhemodynamicchangesevokedbysingle-impulsestimulation,sortedbygammapower(30–80Hz)fromtheuppercorticallayers(channels3–8) ofthesurroundelectrode(300–2000msafterstimuluspresentation).A,Hemodynamicresponseinsurroundregion,evokedbysingle-impulsestimulationofthewhiskerpad,averageofalltrials. B,Hemodynamicresponseinsurroundregion,averageoftrials(33%)havingtheleastgammapowerinthesurroundregion,intheuppercorticallayers(channels3–8).C,Hemodynamic response in surround region, average of trials (33%) having the most gamma power in the surround region, in the upper cortical layers. D, In vivo grayscale image of thinned cranial window from a single representative subject, with regions of interest around the two recording <t>electrodes</t> used for time-series generation. E–G, Averaged Hbt changes, evoked by single-impulse stimulation from a single representative subject, all trials (100%), least gamma (33%) and most gamma (33%) respectively, and gamma power recorded from surround electrode. Hbt changes in the whisker region response (black) and surround region response (green). Montage of images shows spatial maps of micromolar changes in Hbt. Each is averaged over a second and represents a corresponding time point in the stimulation trial. Increases in Hbt are toward the red color range, with blue representing negative changes. H, In vivo grayscale camera image of thinned cranial window from a single representative subject, with a series of concentric rings centered on the whisker barrel electrode. These were used toselectpixelsforselectionofdataasafunctionofdistanceawayfromtheelectrode.I–K,Hbtchanges,withdatafromalltrials,leastgammapower(33%)andmostgammapower(33%) respectively. The y-axis represents distance away from the tip of the whisker electrode, with each row in the image generated from pixels within each concentric ring. Stimulation represented with arrows. Error bars represent SEM across subjects. Responses averaged across subjects (n 10), except for single subject (D–H).
Channel Silicone Linear Array Electrodes, supplied by NeuroNexus Technologies, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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v-probe multi-site linear electrode arrays  (plexon inc)
90
plexon inc v-probe multi-site linear electrode arrays
Figure5. Spatial–temporalrepresentationofhemodynamicchangesevokedbysingle-impulsestimulation,sortedbygammapower(30–80Hz)fromtheuppercorticallayers(channels3–8) ofthesurroundelectrode(300–2000msafterstimuluspresentation).A,Hemodynamicresponseinsurroundregion,evokedbysingle-impulsestimulationofthewhiskerpad,averageofalltrials. B,Hemodynamicresponseinsurroundregion,averageoftrials(33%)havingtheleastgammapowerinthesurroundregion,intheuppercorticallayers(channels3–8).C,Hemodynamic response in surround region, average of trials (33%) having the most gamma power in the surround region, in the upper cortical layers. D, In vivo grayscale image of thinned cranial window from a single representative subject, with regions of interest around the two recording <t>electrodes</t> used for time-series generation. E–G, Averaged Hbt changes, evoked by single-impulse stimulation from a single representative subject, all trials (100%), least gamma (33%) and most gamma (33%) respectively, and gamma power recorded from surround electrode. Hbt changes in the whisker region response (black) and surround region response (green). Montage of images shows spatial maps of micromolar changes in Hbt. Each is averaged over a second and represents a corresponding time point in the stimulation trial. Increases in Hbt are toward the red color range, with blue representing negative changes. H, In vivo grayscale camera image of thinned cranial window from a single representative subject, with a series of concentric rings centered on the whisker barrel electrode. These were used toselectpixelsforselectionofdataasafunctionofdistanceawayfromtheelectrode.I–K,Hbtchanges,withdatafromalltrials,leastgammapower(33%)andmostgammapower(33%) respectively. The y-axis represents distance away from the tip of the whisker electrode, with each row in the image generated from pixels within each concentric ring. Stimulation represented with arrows. Error bars represent SEM across subjects. Responses averaged across subjects (n 10), except for single subject (D–H).
V Probe Multi Site Linear Electrode Arrays, supplied by plexon inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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multi-site laminar electrode array axial array  (fhc inc)
90
fhc inc multi-site laminar electrode array axial array
Figure5. Spatial–temporalrepresentationofhemodynamicchangesevokedbysingle-impulsestimulation,sortedbygammapower(30–80Hz)fromtheuppercorticallayers(channels3–8) ofthesurroundelectrode(300–2000msafterstimuluspresentation).A,Hemodynamicresponseinsurroundregion,evokedbysingle-impulsestimulationofthewhiskerpad,averageofalltrials. B,Hemodynamicresponseinsurroundregion,averageoftrials(33%)havingtheleastgammapowerinthesurroundregion,intheuppercorticallayers(channels3–8).C,Hemodynamic response in surround region, average of trials (33%) having the most gamma power in the surround region, in the upper cortical layers. D, In vivo grayscale image of thinned cranial window from a single representative subject, with regions of interest around the two recording <t>electrodes</t> used for time-series generation. E–G, Averaged Hbt changes, evoked by single-impulse stimulation from a single representative subject, all trials (100%), least gamma (33%) and most gamma (33%) respectively, and gamma power recorded from surround electrode. Hbt changes in the whisker region response (black) and surround region response (green). Montage of images shows spatial maps of micromolar changes in Hbt. Each is averaged over a second and represents a corresponding time point in the stimulation trial. Increases in Hbt are toward the red color range, with blue representing negative changes. H, In vivo grayscale camera image of thinned cranial window from a single representative subject, with a series of concentric rings centered on the whisker barrel electrode. These were used toselectpixelsforselectionofdataasafunctionofdistanceawayfromtheelectrode.I–K,Hbtchanges,withdatafromalltrials,leastgammapower(33%)andmostgammapower(33%) respectively. The y-axis represents distance away from the tip of the whisker electrode, with each row in the image generated from pixels within each concentric ring. Stimulation represented with arrows. Error bars represent SEM across subjects. Responses averaged across subjects (n 10), except for single subject (D–H).
Multi Site Laminar Electrode Array Axial Array, supplied by fhc inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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multi-site electrode array  (BioSignal Group)
90
BioSignal Group multi-site electrode array
Figure5. Spatial–temporalrepresentationofhemodynamicchangesevokedbysingle-impulsestimulation,sortedbygammapower(30–80Hz)fromtheuppercorticallayers(channels3–8) ofthesurroundelectrode(300–2000msafterstimuluspresentation).A,Hemodynamicresponseinsurroundregion,evokedbysingle-impulsestimulationofthewhiskerpad,averageofalltrials. B,Hemodynamicresponseinsurroundregion,averageoftrials(33%)havingtheleastgammapowerinthesurroundregion,intheuppercorticallayers(channels3–8).C,Hemodynamic response in surround region, average of trials (33%) having the most gamma power in the surround region, in the upper cortical layers. D, In vivo grayscale image of thinned cranial window from a single representative subject, with regions of interest around the two recording <t>electrodes</t> used for time-series generation. E–G, Averaged Hbt changes, evoked by single-impulse stimulation from a single representative subject, all trials (100%), least gamma (33%) and most gamma (33%) respectively, and gamma power recorded from surround electrode. Hbt changes in the whisker region response (black) and surround region response (green). Montage of images shows spatial maps of micromolar changes in Hbt. Each is averaged over a second and represents a corresponding time point in the stimulation trial. Increases in Hbt are toward the red color range, with blue representing negative changes. H, In vivo grayscale camera image of thinned cranial window from a single representative subject, with a series of concentric rings centered on the whisker barrel electrode. These were used toselectpixelsforselectionofdataasafunctionofdistanceawayfromtheelectrode.I–K,Hbtchanges,withdatafromalltrials,leastgammapower(33%)andmostgammapower(33%) respectively. The y-axis represents distance away from the tip of the whisker electrode, with each row in the image generated from pixels within each concentric ring. Stimulation represented with arrows. Error bars represent SEM across subjects. Responses averaged across subjects (n 10), except for single subject (D–H).
Multi Site Electrode Array, supplied by BioSignal Group, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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Image Search Results


Figure5. Spatial–temporalrepresentationofhemodynamicchangesevokedbysingle-impulsestimulation,sortedbygammapower(30–80Hz)fromtheuppercorticallayers(channels3–8) ofthesurroundelectrode(300–2000msafterstimuluspresentation).A,Hemodynamicresponseinsurroundregion,evokedbysingle-impulsestimulationofthewhiskerpad,averageofalltrials. B,Hemodynamicresponseinsurroundregion,averageoftrials(33%)havingtheleastgammapowerinthesurroundregion,intheuppercorticallayers(channels3–8).C,Hemodynamic response in surround region, average of trials (33%) having the most gamma power in the surround region, in the upper cortical layers. D, In vivo grayscale image of thinned cranial window from a single representative subject, with regions of interest around the two recording electrodes used for time-series generation. E–G, Averaged Hbt changes, evoked by single-impulse stimulation from a single representative subject, all trials (100%), least gamma (33%) and most gamma (33%) respectively, and gamma power recorded from surround electrode. Hbt changes in the whisker region response (black) and surround region response (green). Montage of images shows spatial maps of micromolar changes in Hbt. Each is averaged over a second and represents a corresponding time point in the stimulation trial. Increases in Hbt are toward the red color range, with blue representing negative changes. H, In vivo grayscale camera image of thinned cranial window from a single representative subject, with a series of concentric rings centered on the whisker barrel electrode. These were used toselectpixelsforselectionofdataasafunctionofdistanceawayfromtheelectrode.I–K,Hbtchanges,withdatafromalltrials,leastgammapower(33%)andmostgammapower(33%) respectively. The y-axis represents distance away from the tip of the whisker electrode, with each row in the image generated from pixels within each concentric ring. Stimulation represented with arrows. Error bars represent SEM across subjects. Responses averaged across subjects (n 10), except for single subject (D–H).

Journal: Journal of Neuroscience

Article Title: Long-Latency Reductions in Gamma Power Predict Hemodynamic Changes That Underlie the Negative BOLD Signal

doi: 10.1523/jneurosci.2339-14.2015

Figure Lengend Snippet: Figure5. Spatial–temporalrepresentationofhemodynamicchangesevokedbysingle-impulsestimulation,sortedbygammapower(30–80Hz)fromtheuppercorticallayers(channels3–8) ofthesurroundelectrode(300–2000msafterstimuluspresentation).A,Hemodynamicresponseinsurroundregion,evokedbysingle-impulsestimulationofthewhiskerpad,averageofalltrials. B,Hemodynamicresponseinsurroundregion,averageoftrials(33%)havingtheleastgammapowerinthesurroundregion,intheuppercorticallayers(channels3–8).C,Hemodynamic response in surround region, average of trials (33%) having the most gamma power in the surround region, in the upper cortical layers. D, In vivo grayscale image of thinned cranial window from a single representative subject, with regions of interest around the two recording electrodes used for time-series generation. E–G, Averaged Hbt changes, evoked by single-impulse stimulation from a single representative subject, all trials (100%), least gamma (33%) and most gamma (33%) respectively, and gamma power recorded from surround electrode. Hbt changes in the whisker region response (black) and surround region response (green). Montage of images shows spatial maps of micromolar changes in Hbt. Each is averaged over a second and represents a corresponding time point in the stimulation trial. Increases in Hbt are toward the red color range, with blue representing negative changes. H, In vivo grayscale camera image of thinned cranial window from a single representative subject, with a series of concentric rings centered on the whisker barrel electrode. These were used toselectpixelsforselectionofdataasafunctionofdistanceawayfromtheelectrode.I–K,Hbtchanges,withdatafromalltrials,leastgammapower(33%)andmostgammapower(33%) respectively. The y-axis represents distance away from the tip of the whisker electrode, with each row in the image generated from pixels within each concentric ring. Stimulation represented with arrows. Error bars represent SEM across subjects. Responses averaged across subjects (n 10), except for single subject (D–H).

Article Snippet: After piercing the dura with a 27 gauge needle, a stereotaxic arm (Kopf Instruments) was used to insert the 16- channel silicone linear array electrodes (100 m spacing; area of each site, 177 m 2; Neuronexus Technologies) normal to the cortical surface to a depth of 1600 m. The probes were coupled to a preamplifier that was in turn connected to a data acquisition unit via fiber optic cable (Medusa Bioamp, Tucker Davis Technologies).

Techniques: In Vivo, Whisker Assay, Generated