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Nat Neurosci. 2004 Dec;7(12):1285-7.
When the going gets tough, the cingulate gets going.

Neuroimage. 2006 Jun;31(2):906-19. Epub 2006 Feb 17.
Facial expressions and complex IAPS pictures: common and differential networks.
Britton JC, Taylor SF, Sudheimer KD, Liberzon I.

Neuroimage. 2006 May 15;31(1):397-409. Epub 2006 Jan 18.
Neural correlates of social and nonsocial emotions: An fMRI study.
Britton JC, Phan KL, Taylor SF, Welsh RC, Berridge KC, Liberzon I.