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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Behav Brain Res. 2015 Sep 14;296:240–248. doi: 10.1016/j.bbr.2015.09.018

Table 1.

Category and feedback structure of the probabilistic classification task.

Stimulus Probability class A Probability class B Feedback
S1 80% 20% If correct: +25
If incorrect: ø
S2 20% 80%
S3 80% 20% If correct: ø
If incorrect: −25
S4 20% 80%