2012
Task-Related, Low-Frequency Task-Residual, and Resting State Activity in the Default Mode Network Brain Regions
Zhang S, Li CS. Task-Related, Low-Frequency Task-Residual, and Resting State Activity in the Default Mode Network Brain Regions. Frontiers In Psychology 2012, 3: 172. PMID: 22661964, PMCID: PMC3362743, DOI: 10.3389/fpsyg.2012.00172.Peer-Reviewed Original ResearchDefault mode networkPosterior cingulate cortexBlood oxygen level-dependent (BOLD) signalLow-frequency fluctuation (fALFF) signalsLevel-dependent signalStop-signal taskCingulate cortexBrain regionsBrain functionTask-related eventsFractional amplitudePrecuneusMode networkDMN regionsSignal taskDMN activityBrain activityCognitive performanceUseful indexLatter findingRestingDMN responseTask eventsTask conditionsFALFF
2009
A neural measure of behavioral engagement: Task-residual low-frequency blood oxygenation level-dependent activity in the precuneus
Zhang S, Li CS. A neural measure of behavioral engagement: Task-residual low-frequency blood oxygenation level-dependent activity in the precuneus. NeuroImage 2009, 49: 1911-1918. PMID: 19761851, PMCID: PMC2791356, DOI: 10.1016/j.neuroimage.2009.09.004.Peer-Reviewed Original ResearchConceptsBlood oxygenation level-dependent activityRegional brain activationLevel-dependent activityTask engagementNeural measuresNeural processesBrain activationPosterior cingulate cortexAttentional monitoringResponse inhibitionHuman cognitionPrefrontal activationSignal taskGreater activationBOLD activityBehavioral engagementCingulate cortexPrecuneusBrain regionsLow-frequency fluctuationsFractional amplitudeBrain imagingSeed regionIndependent component analysisEngagement