ライフサイエンスコーパス: ECoG

1 ECoG based decoding performance negatively correlated wi

2 ECoG ClusterFlow supports the comparison of spatio-tempo

3 ECoG from 63 subdural electrodes (500 Hz/channel) chroni

4 ECoG HV-LV cyclicity was reduced 4-5 h prior to spontane

5 ECoG patterns changed 7 to 4 h prior to spontaneous onse

6 ECoG responses in visual cortex can be separated into tw

7 ECoG revealed a striking anatomical and functional corre

8 ECoG signal changes on the hemisphere ipsilateral to HIF

9 ECoG signals were purified by a denoising procedure of w

10 ECoG signals were recorded with a high-density 32-electr

11 ECoG spectral analysis utilized a mixed-effects analysis

12 ECoG spectral analysis utilized a mixed-effects analysis

13 ECoG was also recorded when subjects passively listened

14 imately 3 Torr, LD-CBF increased 48 +/- 10%, ECoG shifted to chiefly the HVLF state, SEF(90) decrease

15 Near-DC/AC-ECoG amplitude was reduced by 44 to 75% and 52 to 67%, a

16 show that network metrics computed from all ECoG channels capture the dynamics of the seizure onset

17 Although ECoG originally evolved as a replacement for single-unit

18 es interleukin (IL)-1alpha and IL-1beta, and ECoG spectral analysis.

19 Oscillations in STN unit activity and ECoG were common after this sustained firing reduction,

20 ways: across stimuli, the BOLD amplitude and ECoG broadband power were positively correlated, the BOL

21 counts for the relationship between BOLD and ECoG data from human visual cortex in V1, V2, and V3, wi

22 by measuring electric fields through EEG and ECoG.

23 timuli, differing dramatically from fMRI and ECoG broadband (non-oscillatory) responses.

24 oscillations were similarly tuned in LFP and ECoG to stimulus orientation, contrast and spatial frequ

25 creased with increasing size in both LFP and ECoG, suggesting local origins of both signals.

26 ectrodes to simultaneously map MUA, LFP, and ECoG RFs from the primary visual cortex of awake monkeys

27 highest temporal resolution for EEG/MEG and ECoG were shown as ~200 ms and ~10 ms and are now correc

28 ing a hybrid array containing both micro and ECoG electrodes implanted in the primary visual cortex o

29 ed array containing both microelectrodes and ECoG electrodes to simultaneously map MUA, LFP, and ECoG

30 oppler flowmeter, fluorescent O(2) probe and ECoG electrodes, we measured laser Doppler CBF (LD-CBF),

31 fferences between electrical stimulation and ECoG that were partially related to the reciprocity of c

32 spatiotemporal resolution of 'EEG/MEG' and 'ECoG' were incorrect.

33 space; spatial summation in the asynchronous ECoG component is subadditive.

34 only IEDs and complete resection of baseline ECoG IEDs had an excellent outcome.

35 G and complete resection of IEDs on baseline ECoG are associated with better outcomes following stand

36 .64]; complete resection of IEDs on baseline ECoG, relative risk = 0.39 [95% CI, 0.20-0.76]).

37 ECoG contacts, followed by coherence between ECoG and deep cortical local field potential (LFP), and

38 No relationship was found between ECoG cycles and myometrial contracture cycles.

39 was coherence at approximately 1 Hz between ECoG and basal ganglia LFPs, with much of the coherent a

40 where the highest coherence occurred between ECoG contacts, followed by coherence between ECoG and de

41 4 h ECoG patterns, (2) relationships between ECoG and myometrial contractility, and (3) 24 h ECoG pat

42 mol) into either MS or SI elicited bilateral ECoG and HEEG activation.

43 we show that the architecture of whole-brain ECoG networks and the factors that shape it can be studi

44 ces that generate the asynchronous broadband ECoG component.

45 nship: When the raw fluctuation in broadband ECoG activity is closer to the across-trial mean, hit ra

46 nction were compared with those generated by ECoG spectral analysis.

47 uency (beta, gamma) oscillations recorded by ECoG were altered at acute and chronic time points follo

48 luate interregional functional connectivity, ECoG data from electrodes situated over specific cortica

49 projection approach to decode the continuous ECoG data stream spontaneously, predicting the occurrenc

50 be an attractive alternative to conventional ECoG grids with regard to mechanical properties, 3-T MR

51 and direct-current electrocorticography (DC-ECoG).

52 that functional responsiveness of different ECoG high-gamma sub-bands can discriminate cognitive tas

53 Because naming during ECoG involved these muscles of articulation, the sensiti

54 l field potential (LFP), and then SFC (i.e., ECoG > LFP > SFC).

55 LC neuronal activity increases cortical EEG (ECoG) and hippocampal EEG (HEEG) indices of arousal bila

56 Macaque simultaneous EEG/ECoG recordings provide experimental confirmation for ou

57 Electrocorticogram (ECoG) and myometrial electromyogram (EMG) were recorded

58 Electrocorticogram (ECoG), obtained by low-pass filtering the brain signal r

59 Electrocorticogram (ECoG), obtained by placing macroelectrodes (typically 2-

60 Electrocorticogram (ECoG), obtained from macroelectrodes placed on the corte

61 simultaneously acquired electrocorticogram (ECoG) in discrete brain states representative of global

62 r framework by analysing electrocorticogram (ECoG) recordings from patients who have undergone epilep

63 n EEG and monkey LFP and electrocorticogram (ECoG) data.

64 both microelectrodes and electrocorticogram (ECoG) electrodes in the primary visual cortex of 2 femal

65 es (SWDs) in the EEG and electrocorticogram (ECoG).

66 tecture as determined by electrocorticogram (ECoG) and electromyogram (EMG) activity over a 7-day sub

67 the ipsilateral frontal electrocorticogram (ECoG) of anaesthetized rats.

68 of STN units and frontal electrocorticogram (ECoG) to cortical stimulation in anaesthetized rats.

69 , local field potential, electrocorticogram (ECoG), and EEG, and compared their information and decod

70 ave been recorded in the electrocorticogram (ECoG) of rats weeks and months after fluid percussion in

71 eorganization affect the electrocorticogram (ECoG) responses to various neurotransmitter agonists.

72 e obtained by averaging electrocorticograms (ECoGs) recorded from the perisylvian and extrasylvian ba

73 ent with these changes, electrocorticograms (ECoGs) reveal suppressed ketamine-evoked y oscillations.

74 Electrocorticographic (ECoG) arrays were placed on the subtemporal cortical sur

75 Electrocorticographic (ECoG) recordings of brain activity were collected bilate

76 Electrocorticographic (ECoG) spectral patterns obtained during language tasks f

77 ical tissue (t ), and electrocorticographic (ECoG) activity (high voltage low frequency, HVLF, versus

78 fMRI) BOLD signal and electrocorticographic (ECoG) field potential.

79 hniques on continuous electrocorticographic (ECoG) recordings (5.4 +/- 1.7 d per patient, mean +/- SD

80 ynthesize speech from electrocorticographic (ECoG) signals acquired across motor, premotor and somato

81 amma-band (25-128 Hz) electrocorticographic (ECoG) activity -- a phenomenon involving large groups of

82 eural oscillations in electrocorticographic (ECoG), electroencephalographic (EEG), and stereoelectroe

83 samples of interictal electrocorticographic (ECoG) signals recorded from patients who became seizure-

84 frequency analyses of electrocorticographic (ECoG) signals, we hypothesized that induced high-gamma-b

85 We recorded electrocorticographic (ECoG) activity across the lateral cerebral cortex as peo

86 theories, we recorded electrocorticographic (ECoG) data from 15 human patients with intractable epile

87 We recorded electrocorticographic (ECoG) signals from individuals watching intact and scram

88 We recorded electrocorticographic (ECoG) signals in five clinical subjects during a visual-

89 ng arrays of subdural electrocorticographic (ECoG) electrodes in human patients performing simple mov

90 Subdural electrocorticographic (ECoG) recordings in patients undergoing epilepsy surgery

91 we recorded subdural electrocorticographic (ECoG) signals in five clinical subjects while they perfo

92 ationship between the electrocorticographic (ECoG) signal and the observed fMRI response (p < 10(-16)

93 Recent studies using electrocorticographic (ECoG) recordings in humans have shown that functional ac

94 went craniectomy with electrocorticographic (ECoG) and local blood flow monitoring.

95 Electrocorticography (ECoG) data can be used to estimate brain-wide connectivi

96 Electrocorticography (ECoG) is becoming more prevalent due to improvements in

97 Electrocorticography (ECoG) methodologically bridges basic neuroscience and un

98 Although acute electrocorticography (ECoG) is routinely performed during epilepsy surgery the

99 Purpose To develop an electrocorticography (ECoG) grid by using deposition of conductive nanoparticl

100 the feasibility of an electrocorticography (ECoG)-based BCI system in an individual with tetraplegia

101 easured using fMRI and electrocorticography (ECoG) in human visual cortex with a similar set of stimu

102 l field potentials and electrocorticography (ECoG).

103 ephalography (MEG) and electrocorticography (ECoG).

104 ive techniques such as electrocorticography (ECoG) offer high decoding accuracy, their surgical requi

105 Chronic electrocorticography (ECoG) demonstrated spontaneous chronic seizures that wer

106 a 128-channel chronic electrocorticography (ECoG) implant in a paralyzed individual, which allowed s

107 conventional clinical electrocorticography (ECoG) electrodes.

108 he analysis of complex Electrocorticography (ECoG) data.

109 study of high-density electrocorticography (ECoG) recordings from the cortical surface of profoundly

110 e we used high-density electrocorticography (ECoG) recordings to detect when they heard or said an ut

111 th males and females): electrocorticography (ECoG) and fMRI.

112 aneous recordings from electrocorticography (ECoG) grids and high-density microelectrode arrays to es

113 d auditory and frontal electrocorticography (ECoG) signals in five common awake marmosets performing

114 ampus as well as human electrocorticography (ECoG) data.

115 de evidence from human electrocorticography (ECoG) for an inverted-U brain-behavior relationship: Whe

116 echnologies, including electrocorticography (ECoG) systems, multielectrode arrays (MEAs), Stentrode,

117 ion of an intracranial electrocorticography (ECoG) measure from the nonepileptic mean.

118 EG) and intraoperative electrocorticography (ECoG) are routinely used in the evaluation of magnetic r

119 Intraoperative electrocorticography (ECoG) can be used to delineate the resection area in epi

120 patients with invasive electrocorticography (ECoG) recordings and compared multilayer directional net

121 monitored by invasive electrocorticography (ECoG; subdural electrodes) and noninvasive scalp EEG dur

122 used a combination of electrocorticography (ECoG) and electrical brain stimulation (EBS) in 10 human

123 through an analysis of electrocorticography (ECoG) data, we identified a timescale hierarchy in the n

124 multimodal approach of electrocorticography (ECoG), high-resolution functional magnetic resonance ima

125 alidated this model on electrocorticography (ECoG) data from human visual cortex.

126 ogy, fiber photometry, electrocorticography (ECoG), optogenetics, and behavior in the Scn8a(+/-)mouse

127 s in non-human primate electrocorticography (ECoG), human electroencephalogram (EEG), and clinical in

128 ral scale by recording electrocorticography (ECoG) signals measured directly from subdural electrode

129 High-resolution electrocorticography (ECoG) signals were recorded directly from auditory corte

130 ation and from resting electrocorticography (ECoG) correlations showed similar spatial distributions

131 operative sensorimotor electrocorticography (ECoG) and subthalamic LFP to predict grip-force, a repre

132 analysed simultaneous electrocorticography (ECoG) and neuronal recordings of 34 seizures in a cohort

133 xtraoperative subdural electrocorticography (ECoG) recording could predict long-term seizure outcome.

134 the cortical surface, electrocorticography (ECoG) provides a powerful method to integrate spatial, t

135 fied 0-1 chaos test to electrocorticography (ECoG) and magnetoencephalography (MEG) recordings from t

136 l transection prior to electrocorticography (ECoG) recordings and ICH injury.

137 ures from single-trial electrocorticography (ECoG) data.

138 Here we use electrocorticography (ECoG) to directly record neuronal population activity wh

139 rom two patients using electrocorticography (ECoG) and stereo-electroencephalography (sEEG) recording

140 Using electrocorticography (ECoG) data from participants listening to a 30-minute na

141 es were recorded using electrocorticography (ECoG).

142 d by 5-electrode video-electrocorticography (ECoG) 2 to 16 weeks postinjury.

143 nt a portable wireless electrocorticography (ECoG) system.

144 tentials measured with electrocorticography (ECoG) and the blood oxygen level-dependent (BOLD) respon

145 ubjects implanted with electrocorticography (ECoG) arrays for long-term epilepsy monitoring were trai

146 ts were implanted with electrocorticography (ECoG) electrodes and had multiple opportunities to pract

147 signal types including electrocortiography (ECoG) and the electroencephalogram (EEG).

148 ms and myoclonus at the time of epileptiform ECoG events.

149 ng on ECoG, we developed a model to estimate ECoG power generated by different firing patterns of the

150 V and VI were the primary sources of evoked ECoG responses.

151 e localization and origins of sensory-evoked ECoG responses.

152 These results indicate that evoked ECoG high-gamma responses are primarily generated by the

153 .4-23.0 years), who underwent extraoperative ECoG recording prior to cortical resection for alleviati

154 slow ECoG activity (HV) and low-voltage fast ECoG activity (LV) were determined mathematically, and H

155 enty-four hour rhythms were present in fetal ECoG HV-LV cycles in the 3-5 days prior to spontaneous o

156 ild hypoxia has significant effects on fetal ECoG activity, heart rate and blood pressure.

157 Combining a few ECoG electrodes allowed more accurate decoding than comb

158 t uses a high resolution 32-channel flexible ECoG electrodes array to collect electrical signals of b

159 experiments on a rat show that the flexible ECoG system can accurately record electrical signals of

160 dings reveal a striking convergence of fMRI, ECoG, and EBS, which together offer a rare causal link b

161 To use this approach for ECoG, we designed a customized array containing both mic

162 ogous characterization has not been done for ECoG.

163 The results indicate that high-frequency ECoG reliably differentiates cortical areas associated w

164 with five quantitative metrics computed from ECoG and multiunit data was used to distinguish three ty

165 -depth analysis of neural activity data from ECoG.

166 r using detection of grasping movements from ECoG to control a grasping prosthesis.

167 G and myometrial contractility, and (3) 24 h ECoG patterns at the spontaneous onset of labour.

168 n sheep fetuses (n = 9) to analyse: (1) 24 h ECoG patterns, (2) relationships between ECoG and myomet

169 Twenty-four hour ECoG rhythms disappeared 1 day before the spontaneous on

170 derlying cortical population and studied how ECoG power varies with changes in firing rate versus the

171 However, ECoG high-gamma activity was much more sensitive to incr

172 activity during movement, we analysed human ECoG and subthalamic nucleus (STN) unit activity during

173 d the detection of time of grasps from human ECoG recordings during a sequence of natural and continu

174 percentage of time spent and duration of HV ECoG increased, and percentage of time spent in LV decre

175 tcome may be modest in the presence of ictal ECoG and neuroimaging data.

176 Increases in ECoG gamma power (70-100 Hz) were observed in response t

177 ctral power of low-frequency oscillations in ECoG recordings of R6/2 mice is diminished while the spe

178 down to the sub-millimeter spatial scale in ECoG despite the effects of volume conduction, justifyin

179 d to help localize the seizure onset zone in ECoG recordings.

180 rip-force decoding performance of individual ECoG channels across patients by using their connectomic

181 sites at which LC efferents could influence ECoG and HEEG are the medial septum/vertical limb of the

182 neuroimaging findings, ictal and interictal ECoG measures were preoperatively obtained.

183 s generating IEDs on baseline intraoperative ECoG (P = .02) were associated with excellent outcomes i

184 pilepsy surgery with repeated intraoperative ECoG measurements.

185 xploring critical brain dynamics in invasive ECoG recordings from multiple sessions with a single mac

186 whole-brain, interregional and band-limited ECoG networks from a large cohort-in this case, of indiv

187 The stimulus-locked ECoG component sums contrast approximately linearly acro

188 gher signal-to-noise ratio compared to macro-ECoG and SEEG.

189 al distinction using intracranially measured ECoG signals from the human visual cortex in 14 patients

190 We used two-dimensional (2D) micro-ECoG grids to record intra-operatively in humans and dur

191 onduction, justifying the use of dense micro-ECoG grids.

192 We applied the proposed algorithm to 5-min ECoG recordings from human primary auditory cortex obtai

193 tra-flexible, micro-electrocorticography (mu-ECoG) arrays with platinum (Pt) or glassy carbon (GC) el

194 ed a novel technique of analyzing multihuman ECoG recordings to identify cortical regions most releva

195 measured laser Doppler CBF (LD-CBF), tP(O2), ECoG and spectral edge frequency-90 (SEF(90)) in respons

196 yses showed that higher decoding accuracy of ECoG compared with local field potential was not because

197 nl), elicited robust bilateral activation of ECoG and HEEG.

198 oss individuals make the network analysis of ECoG data challenging.

199 ctrical stimulation and separate analysis of ECoG gamma changes during spontaneous inter-personal con

200 Given the flexibility in the design of ECoG grids, which is only increasing, it remains an open

201 ClusterFlow, for the detailed exploration of ECoG data.

202 e for evaluating the required granularity of ECoG recording in humans and experimental animals.

203 Yet, the invasiveness of ECoG, incomplete cortical coverage, and variability in e

204 However, the localization of ECoG signals across the surface of the brain and the spa

205 between correlative versus causal nature of ECoG and EBS, respectively, and provides important insig

206 , we characterized the basic organization of ECoG networks, including frequency-specific architecture

207 e, in shaping the brain-wide organization of ECoG networks, of communication along white matter pathw

208 Passive recordings of ECoG gamma activity may be done simultaneously at all el

209 combined, the specificity and sensitivity of ECoG HGA with respect to ECS were 84% and 43%, respectiv

210 culation, the sensitivity and specificity of ECoG HGA were estimated relative to both ECS-induced imp

211 er with significant HGA), the specificity of ECoG HGA with respect to ECS was 78% for naming and 81%

212 Here, we estimated the spatial spread of ECoG in five behaving monkeys using two different approa

213 The spatial spread of ECoG was surprisingly local (diameter ~3 mm), only 3 tim

214 requires the estimation of spatial spread of ECoG.

215 portant to determine the "spatial spread" of ECoG (i.e., the extent of cortical tissue that contribut

216 rovide further evidence for the stability of ECoG for speech-based BCIs.

217 e BCI control by leveraging the stability of ECoG interfaces and neural plasticity.

218 Overall, our results validate the use of ECoG in clinical and basic cognitive research.

219 Our results further validate the use of ECoG in clinical and basic cognitive research.SIGNIFICAN

220 e evaluation is needed to clarify the use of ECoG in tailoring temporal lobectomy.

221 nique can be used to evaluate the utility of ECoG biomarkers in epilepsy presurgical evaluation.

222 the potential effects of neuronal firing on ECoG, we developed a model to estimate ECoG power genera

223 Using scRNA-seq and intraoperative patient ECoG recordings, we show that tumors from seizure patien

224 izure recurrence was presence of FRs in post-ECoG for all tailoring approaches.

225 The occurrence of FRs in post-ECoG, given FRs in pre-ECoG (+/-, +/+), predicted outcom

226 nd spikes in combined pre- and postresection ECoG predict surgical outcome in different tailoring app

227 50 Hz), and spikes in pre- and postresection ECoG sampled at 2,048 Hz in people with refractory focal

228 rrence of FRs in post-ECoG, given FRs in pre-ECoG (+/-, +/+), predicted outcome (hazard ratio, 3.13;

229 e of resected FRs, ripples, or spikes in pre-ECoG did not predict outcome.

230 Seven of 8 patients without spikes in pre-ECoG were seizure free.

231 In addition to rhythmic brain processes, ECoG potentials also reveal a spectrally broadband motif

232 terregional interactions from a word reading ECoG dataset.

233 ing mechanism using intracranial recordings (ECoG), in 12 patients undergoing epilepsy monitoring eng

234 Across all brain regions, ECoG activity in the gamma and beta bands explains 22% o

235 This study indicates that event-related ECoG HGA during confrontation naming predicts ECS interf

236 Using high-resolution ECoG during awake tumor surgery in the left perisylvian

237 ine with existing literature, face-selective ECoG responses were present in both left and right FG si

238 We identified FG sites with face-selective ECoG responses, and recorded perceptual reports during E

239 ques (for some stimulus conditions, separate ECoG and microelectrode arrays in two additional male ma

240 ults were obtained using a model to simulate ECoG as a sum of LFPs of varying electrode sizes.

241 increased high-gamma power in the simulated ECoG data.

242 ns occurred during 65.9 days of simultaneous ECoG/EEG monitoring.

243 mechanisms at the spatial scale of a single ECoG electrode.

244 High-voltage slow ECoG activity (HV) and low-voltage fast ECoG activity (L

245 tic resonance imaging-negative TLE, standard ECoG performed at the time of surgery, and a minimum fol

246 ingle cortical column.SIGNIFICANCE STATEMENT ECoG methodologically bridges basic neuroscience and und

247 Subdural ECoG signals were recorded while each patient verbally n

248 High density scalp EEG and subdural ECoG recordings provide an opportunity to map the electr

249 erictal spike frequency measures on subdural ECoG recording may both be useful in predicting the long

250 Surprisingly, ECoG had higher information and decodability than all ot

251 a novel multi-scale visual analysis system, ECoG ClusterFlow, for the detailed exploration of ECoG d

252 We demonstrate that ECoG is superior to subthalamic LFP for accurate grip-fo

253 This study demonstrates that ECoG signals recorded from the sensorimotor cortex can b

254 We experimentally found that ECoG responses were anisotropically localized to a corti

255 In the fetus, we tested the hypothesis that ECoG pattern is associated closely with cerebral oxygena

256 Our results suggest that ECoG is a local signal (diameter of ~3 mm), which can pr

257 electroencephalogram (EEG), suggesting that ECoG is more like LFP than EEG.

258 and conceptual information, suggesting that ECoG recordings can reveal neural correlates of specific

259 Its favourable specificity suggests that ECoG HGA can be used to construct a preliminary function

260 We found that ECoGs were highly informative and outperformed other sig

261 The ECoG grid was explanted 28 days post-implantation with n

262 The ECoG reference electrode is identical to the ECoG record

263 The ECoG signals monitored along the strip revealed that SCD

264 The ECoG was analyzed 2, 5, and 9 weeks after intraperitonea

265 ver, rarely been considered in assessing the ECoG.

266 However, the ECoG spread is currently unknown; even the spread of loc

267 patient had no epileptiform activity in the ECoG and good outcome.

268 nticorrelations that are not apparent in the ECoG data, it enhances the neuronal-hemodynamic correspo

269 ithin the first 5 weeks of KA injection, the ECoG power shifted towards the lower-frequency range.

270 cile these observations by interrogating the ECoG recordings of 18 presurgical human patients (8 fema

271 teral ventricle were used to investigate the ECoG frequency responses of intracerebroventricularly ap

272 In R6/2 mice, the power of the ECoG in lower frequencies (0.5-4 Hz) was diminished whil

273 accurately captures the main features of the ECoG time series; in the simulation, the stimulus-locked

274 d because of larger spatial summation of the ECoG.

275 be detected, located and treated through the ECoG system.

276 ECoG reference electrode is identical to the ECoG recording electrodes to significantly improve DC st

277 and clonidine were potentiated, whereas the ECoG effects mediated by GABAA and GABAB receptors remai

278 These ECoG events, which have many similarities to spike-wave-

279 e normoxic fetus, CBF was closely related to ECoG state, but this association was less evident during

280 To allow intraoperative topographic ECoG analysis, a computer program has been developed to

281 of theta and alpha band frequencies to total ECoG activity was significantly lower in the pre-existin

282 Projections of single-trial ECoG data onto these features establish low-dimensional

283 These observations suggest that the two ECoG components arise from different neural sources with

284 Using ECoG recordings from humans and LFP recordings from cats

285 nces of gamma/high-gamma power in LFP versus ECoG in up to four monkeys, and found them to be surpris

286 roelectrodes are further verified by in-vivo ECoG recordings combined with optogenetics in mice.

287 d increased high voltage and sub-low voltage ECoG and EOG activities, as well as decreased nuchal EMG

288 non-epileptic channels of 47 patients, whose ECoG sampling involved all four lobes.

289 The wireless ECoG system has low energy consumption and high brain sp

290 With ECoG, we found evidence of propagation of the temporal f

291 Coherence with ECoG at 5-15 Hz was observed throughout STN, though cohe

292 s, LD-CBF and CMRO(2) correlated highly with ECoG state.

293 Focal cooling was induced with ECoG headsets engineered for calibrated passive heat dis