Daunizeau, J;
den Ouden, HEM;
Pessiglione, M;
Kiebel, SJ;
Friston, KJ;
Stephan, KE;
(2010)
Observing the Observer (II): Deciding When to Decide.
PLOS ONE
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, Article e15555. 10.1371/journal.pone.0015555.