2021
Within-cycle instantaneous frequency profiles report oscillatory waveform dynamics
Quinn A, Lopes-Dos-Santos V, Huang N, Liang W, Juan C, Yeh J, Nobre A, Dupret D, Woolrich M. Within-cycle instantaneous frequency profiles report oscillatory waveform dynamics. Journal Of Neurophysiology 2021, 126: 1190-1208. PMID: 34406888, PMCID: PMC7611760, DOI: 10.1152/jn.00201.2021.Peer-Reviewed Original ResearchConceptsIsolated oscillatorNeuronal oscillationsMouse hippocampal CA1Local field potential recordingsNonsinusoidal shapeTheta oscillationsOscillationsField potential recordingsShape dynamicsOscillatory signalsHippocampal theta oscillationsInstantaneous frequency profileBrain networksIndividual cyclesHippocampal CA1AmplitudeInformation processingCycle amplitudePhase alignmentPotential recordingsOscillation shapeTemporal resolutionFrequency profileAnimal's movement speed
2018
Anticipatory neural dynamics of spatial-temporal orienting of attention in younger and older adults
Heideman S, Rohenkohl G, Chauvin J, Palmer C, van Ede F, Nobre A. Anticipatory neural dynamics of spatial-temporal orienting of attention in younger and older adults. NeuroImage 2018, 178: 46-56. PMID: 29733953, PMCID: PMC6057272, DOI: 10.1016/j.neuroimage.2018.05.002.Peer-Reviewed Original ResearchConceptsTemporal orientationOlder adultsPosterior alphaEffect of temporal orientationBeta oscillationsEnhanced perceptual sensitivitySpatial-temporal orientationAttentional orientingPerceptual sensitivityEffect of spatial orientationOrientation taskTemporal expectationsMagnetoencephalography dataAnticipatory modulationNeural dynamicsBilateral suppressionVisual targetYoung adultsGamma bandReduced reaction timeMagnetoencephalographyVisual perceptionReaction timeCuesAdults
2014
The Neural Dynamics of Fronto-Parietal Networks in Childhood Revealed using Magnetoencephalography
Astle D, Luckhoo H, Woolrich M, Kuo B, Nobre A, Scerif G. The Neural Dynamics of Fronto-Parietal Networks in Childhood Revealed using Magnetoencephalography. Cerebral Cortex 2014, 25: 3868-3876. PMID: 25410426, PMCID: PMC4585520, DOI: 10.1093/cercor/bhu271.Peer-Reviewed Original ResearchConceptsVisual short-term memoryFronto-parietal networkFronto-parietal activityCognitive controlTests of visual short-term memoryVisual short-term memory performanceVisual short-term memory taskDegree of cognitive controlService of memoryTrial-by-trialIndependent component analysisOscillatory brain activityAnticipatory control mechanismsTrial-to-trial variabilityMemory itemsProtracted developmentShort-term memoryCognitive processesChild variablesBrain activityNeural dynamicsTemporal independent component analysisMagnetoencephalographyMemoryChildrenInter- and intra-individual variability in alpha peak frequency
Haegens S, Cousijn H, Wallis G, Harrison P, Nobre A. Inter- and intra-individual variability in alpha peak frequency. NeuroImage 2014, 92: 46-55. PMID: 24508648, PMCID: PMC4013551, DOI: 10.1016/j.neuroimage.2014.01.049.Peer-Reviewed Original ResearchConceptsAlpha peak frequencyAlpha rhythmVisual stimulation conditionsN-back working memory paradigmHealthy human subjectsBeta peak frequencyWorking memory paradigmN-back paradigmN-back taskBetween-subject SDIncreased cognitive demandsAlpha frequency bandPassive visual stimulationPeak frequencyElectrophysiological evidenceIntra-individual variabilityMemory paradigmParietal cortexCognitive processesBrain activityPosterior regionCognitive demandsAlpha activityStimulation conditionsOccipital sources