2015
Meditation leads to reduced default mode network activity beyond an active task
Garrison KA, Zeffiro TA, Scheinost D, Constable RT, Brewer JA. Meditation leads to reduced default mode network activity beyond an active task. Cognitive, Affective, & Behavioral Neuroscience 2015, 15: 712-720. PMID: 25904238, PMCID: PMC4529365, DOI: 10.3758/s13415-015-0358-3.Peer-Reviewed Original ResearchConceptsDefault mode networkDefault mode network activityBrain activation patternsDefault mode processingActive cognitive taskMode networkCognitive tasksActive tasksActivation patternsSelf-related thinkingDefault-mode activityPosterior cingulate/precuneusLong-term meditationAnterior cingulate cortexPrevious imaging studiesEffortful taskCentral neural processesNeural processesTask interactionBrain networksCingulate cortexNetwork activityMeditationReduced activation
2013
The posterior cingulate cortex as a plausible mechanistic target of meditation: findings from neuroimaging
Brewer JA, Garrison KA. The posterior cingulate cortex as a plausible mechanistic target of meditation: findings from neuroimaging. Annals Of The New York Academy Of Sciences 2013, 1307: 19-27. PMID: 24033438, DOI: 10.1111/nyas.12246.Peer-Reviewed Original ResearchConceptsReal-time functional magnetic resonanceFunctional magnetic resonanceKey brain regionsStudies of meditationPsychological modelsMeditation trainingNeurophenomenological studiesMindfulness trainingNeurobiological mechanismsPosterior cingulateBrain regionsMindfulnessMeditationTrainingNeurofeedbackCingulateFindingsPlausible targetMagnetic resonanceEffortless awareness: using real time neurofeedback to investigate correlates of posterior cingulate cortex activity in meditators' self-report
Garrison KA, Santoyo JF, Davis JH, Thornhill TA, Kerr CE, Brewer JA. Effortless awareness: using real time neurofeedback to investigate correlates of posterior cingulate cortex activity in meditators' self-report. Frontiers In Human Neuroscience 2013, 7: 440. PMID: 23964222, PMCID: PMC3734786, DOI: 10.3389/fnhum.2013.00440.Peer-Reviewed Original ResearchDefault mode networkPosterior cingulate cortexSubjective experienceCognitive processesMode networkNeural activitySensory experiencePosterior cingulate cortex activitySelf-related thinkingPCC activityCingulate cortex activityFirst-person dataFirst-person experienceThird-person dataReal-time neurofeedbackPCC deactivationNeurophenomenological studiesMind wanderingPCC activationNeurofeedback studiesCortex activityCingulate cortexTheoretical constructsMeditationTheory methodology