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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: J Neurosci. 2011 Apr 6;31(14):5244–5252. doi: 10.1523/JNEUROSCI.3138-10.2011

Figure 2. Biased acceptance of objectively identical offers by contextual manipulation.

Figure 2

Each bar represents rate of acceptance (+/− s.e.m) of the “M” set of offers that spans the full range of offer proportions from 0.08 to 0.50. The M set is presented in three different contexts, representing a manipulation of contextual fairness: M-in-L (“more fair”, interleaved with lower offers); M-alone (“neutral”, presented alone); and M-in-H (“less fair”, interleaved with higher offers). The rate of acceptance is normalised with respect to the rate of acceptance in the neutral M-alone condition. Data is shown for the main session for the scanned group (n=16) and the combined data from all subjects including both the scanned subjects and those who solely underwent behavioural testing (n=32).