2013
A Developmental Shift from Positive to Negative Connectivity in Human Amygdala–Prefrontal Circuitry
Gee DG, Humphreys KL, Flannery J, Goff B, Telzer EH, Shapiro M, Hare TA, Bookheimer SY, Tottenham N. A Developmental Shift from Positive to Negative Connectivity in Human Amygdala–Prefrontal Circuitry. Journal Of Neuroscience 2013, 33: 4584-4593. PMID: 23467374, PMCID: PMC3670947, DOI: 10.1523/jneurosci.3446-12.2013.Peer-Reviewed Original ResearchConceptsAmygdala-prefrontal circuitryFunctional connectivityNegative connectivityAmygdala reactivityRecent human imagingParticipants 10 yearsTask-based functional magnetic resonance imagingNegative functional connectivityFunctional magnetic resonance imagingMagnetic resonance imagingAmygdala-prefrontal connectivityAmygdala-cortical connectivityAnxiety-related disordersFrontoamygdala circuitryAnimal studiesReciprocal connectionsResonance imagingTracing studyPositive connectivityAdolescent periodEarly childhoodNeurobiological basisEmotional behaviorPresent studyDevelopmental changes
2010
Low frequency fluctuations reveal integrated and segregated processing among the cerebral hemispheres
Gee DG, Biswal BB, Kelly C, Stark DE, Margulies DS, Shehzad Z, Uddin LQ, Klein DF, Banich MT, Castellanos FX, Milham MP. Low frequency fluctuations reveal integrated and segregated processing among the cerebral hemispheres. NeuroImage 2010, 54: 517-527. PMID: 20570737, PMCID: PMC3134281, DOI: 10.1016/j.neuroimage.2010.05.073.Peer-Reviewed Original ResearchConceptsResting-state functional connectivityFunctional magnetic resonance imagingFunctional connectivityResting-state functional magnetic resonance imagingInterhemispheric interactionsResting-state fMRI scansSpontaneous low-frequency fluctuationsLow-frequency fluctuationsInterhemispheric processingMagnetic resonance imagingRSFC strengthCerebral hemispheresHomotopic regionsIntrahemispheric processingResonance imagingNegative connectivityEntire cerebrumConnectivity strengthFMRI scansHealthy participantsBOLD signalSegregated processingPresent studyOpposite hemisphereHemisphere