2020
DOI: 10.1523/jneurosci.1712-19.2020
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The Effect of Counterfactual Information on Outcome Value Coding in Medial Prefrontal and Cingulate Cortex: From an Absolute to a Relative Neural Code

Abstract: Adaptive coding of stimuli is well documented in perception, where it supports efficient encoding over a broad range of possible percepts. Recently, a similar neural mechanism has been reported also in value-based decision, where it allows optimal encoding of vast ranges of values in PFC: neuronal response to value depends on the choice context (relative coding), rather than being invariant across contexts (absolute coding). Additionally, value learning is sensitive to the amount of feedback information: provi… Show more

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Cited by 27 publications
(22 citation statements)
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“…As a consequence, the lateral prefrontal cortex participates in the dynamic control of executive actions and in behavioral control (Mansuri et al, 2009 ). Importantly, positive and negative outcomes are encoded in the medial prefrontal cortex but with opposite signs in its ventral and dorsal subdivisions (Pischedda et al, 2020 ).…”
Section: Pre-linguistic Processes Of Believingmentioning
confidence: 99%
“…As a consequence, the lateral prefrontal cortex participates in the dynamic control of executive actions and in behavioral control (Mansuri et al, 2009 ). Importantly, positive and negative outcomes are encoded in the medial prefrontal cortex but with opposite signs in its ventral and dorsal subdivisions (Pischedda et al, 2020 ).…”
Section: Pre-linguistic Processes Of Believingmentioning
confidence: 99%
“…Secondly, we found in the mOFC a relationship between the strength of the counterfactual prediction error signal and the extent to which the counterfactual outcomes influenced future choices (Fig 5). Encoding of the counterfactual outcome has also been observed in humans mOFC ( 7779 ), and lesion of the mOFC in patients had been associated with an inability to use counterfactual information to guide future decisions ( 80 ). Those results are compatible with the proposed broader role of the mOFC in representing abstract values ( 8183 ).…”
Section: Discussionmentioning
confidence: 98%
“…We find evidence that this indeed could be the case; whereas spatial certainty does influence priorities prior to target onset, the current data show that the influence of incentive value corresponds very closely to counterfactual losses, which are only known at the point of target and distractor onset. Critically, this account predicts that incentive values impact performance when there is a counterfactual loss, with negligible impact when the current outcome matches the best Pischedda, Palminteri, and Coricelli 2020), where participants are instructed to select from between competing options. It is interesting that we observe evidence for a visual prioritisation signal that reflects counterfactual loss in the current paradigm, as participants have no choice over which reward outcome will be attained on any given trial.…”
Section: Discussionmentioning
confidence: 99%
“…Pearl 2009). Such counterfactual representations have been shown to motivate relative value encoding between choice values in the medial prefrontal cortex (Pischedda, Palminteri, and Coricelli 2020), and have been shown to generate prediction errors proportional to the probability of reward gain for the best unchosen option (Boorman, Behrens, and Rushworth 2011). Collectively these findings imply the brain simulates the outcomes that can be gained from unchosen options in order to inform future decisions (Fouragnan et al 2019).…”
Section: Introductionmentioning
confidence: 98%