Luiz Pessoa Department of Psychology Maryland Neuroimaging Center University of Maryland, College Park Michael Lucina Josh Anderson: Franklin & Marshall Uddin: Stanford/University of Miami Kinnison: University of Maryland One-to-one mapping “fear” F1 F2 F3 F4 A1 A2 A3 A4 amygdala Many-to-many mapping “fear” “value” F1 F2 F3 F4 A1 A2 A3 A4 amygdala ventral striatum ? Emotion Cognition Motivation Perception Action … Understanding brain regions via functional repertoires: multidimensional Passingham et al. (2002) Regions Understanding brain regions via functional repertoires: imaging data Task domains (ontology) BrainMap NeuroSynth Understanding brain regions via functional repertoires: imaging data Regions Use will be more or less “diverse” Shannon Entropy Anderson, Kinnison, and Pessoa (2013), Neuroimage Network fingerprint Toro et al. (2008) Fronto-parietal “attention” network (co-activation of BrainMap data) Toro et al. (2008) Cingulo-parietal “resting-state” network (co-activation of BrainMap data) Deen et al. (2010) Determine co-activation partners (using NeuroSynth) Uddin et al. (submitted) Determine co-activation partners (using NeuroSynth) Uddin et al. (submitted) Determine co-activation partners (using NeuroSynth) Uddin et al. (submitted) Common fingerprint All insula sub-sectors are highly diverse (cf. tripartite cognitive-affective-interoceptive scheme) “Specific” fingerprint components mean Sadness Happiness Fear … Phonology Working memory Reasoning … Left dorsal anterior insula “Specific” fingerprint components Dorsal “Cognitive” Posterior Ventral “Affective” Fronto-parietal: “attention” Toro et al. (2008) Cingulo-opercular:“resting-state” Dorsal attention: “endogenous attention” Ventral attention: “exogenous attention” Fronto-parietal: “rapid adaptive control” Cingulo-opercular: “stable set control” List goes on and on… Task positive Task negative Evaluate whether two sets (i.e., networks) of fingerprints are drawn from the same parent distribution • “Statistical energy” (Aslan and Zech, 2005) Statistical energy X Y Permutation testing of ϕXY Task-positive Task-positive vs. Task-negative (co-activation; Toro et al. 2008) vs. (co-activation data) Dorsal attention (resting-state; Yeo et al. 2011) Assortativity:“like connects with like” Statistical energy “Functional distance” • Pairs of regions within a network • Pairs of regions between networks X Z Y Networks “Dorsal attention” “Ventral attention” Dis-assortative “Default network” Dis-assortative “Default network”: should fragment into several subnetworks Characterize contributions of individual brain regions and networks without using singular task-bound functional attributions Described quantitative property of networks – functional assortativity – that can be useful in understanding the functional and compositional similarities and differences between networks Structure-function mapping Behaviors Cognitive Neural computations Brain areas NC1 NC2 A1 NC3 A2 Network 1 NC4 A3 Network 2 A4 Network 3 Pessoa (2008), Nature Reviews Neuroscience • Michael Anderson • Josh Kinnison • Lucina Uddin National Institute of Mental Health emotioncognition.org
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