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Common parametric effects of regret in Studies 1 and 2.

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posted on 14.10.2009, 02:44 by Nicola Canessa, Matteo Motterlini, Cinzia Di Dio, Daniela Perani, Paola Scifo, Stefano F. Cappa, Giacomo Rizzolatti

Activations linearly and positively related to the objective amount of regret (measured as the difference between the outcomes of the chosen and unchosen gambles) in both the IP (minus IF) and OP (minus OF) conditions in Studies 1 and 2 (Conjunction analysis; p<0.001 uncorrected). a) Study 1: representative sections from the MNI305 template brain. From left to right: sagittal section showing activations in supplementary motor area (SMA), middle cingulate cortex and anterior cingulate cortex (ACC); horizontal section showing activations in ventromedial prefrontal cortex (vmPFC) and hippocampus (HIP); horizontal section showing left amygdala and right middle temporal gyrus activations. b) Study 1: from left to right, percent BOLD signal change (4 mm-radius sphere centered on the local maxima) in the Anterior Cingulate Cortex (ACC), ventromedial prefrontal cortex (vmPFC) and Hippocampus (HIP) is shown for both “I Play” (IP, yellow) and “Other Plays” (OP, blue) conditions. c) Study 2: representative sections from the MNI305 template brain. From left to right: sagittal section showing activations in middle cingulate cortex and ACC; horizontal section showing activations in vmPFC and HIP; coronal section showing right HIP activation. d) Study 2: from left to right, percent BOLD signal change in the same areas as in b).

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