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Multiple reward–cue contingencies favor expectancy over uncertainty in shaping the reward–cue attentional salience

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Abstract

Reward-predicting cues attract attention because of their motivational value. A debated question regards the conditions under which the cue’s attentional salience is governed more by reward expectancy rather than by reward uncertainty. To help shedding light on this relevant issue, here, we manipulated expectancy and uncertainty using three levels of reward-cue contingency, so that, for example, a high level of reward expectancy (p = .8) was compared with the highest level of reward uncertainty (p = .5). In Experiment 1, the best reward–cue during conditioning was preferentially attended in a subsequent visual search task. This result was replicated in Experiment 2, in which the cues were matched in terms of response history. In Experiment 3, we implemented a hybrid procedure consisting of two phases: an omission contingency procedure during conditioning, followed by a visual search task as in the previous experiments. Crucially, during both phases, the reward–cues were never task relevant. Results confirmed that, when multiple reward-cue contingencies are explored by a human observer, expectancy is the major factor controlling both the attentional and the oculomotor salience of the reward–cue.

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Correspondence to Matteo De Tommaso.

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Informed consent was obtained from all individual participants included in the study.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the local research Ethics Committee (Comitato per la sperimentazione sull’essere umano dell’Università di Trento) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

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This study was supported by funds to Massimo Turatto from the Center for Mind/Brain sciences (CIMeC) of the University of Trento.

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The authors declare that they have no conflict of interest.

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De Tommaso, M., Mastropasqua, T. & Turatto, M. Multiple reward–cue contingencies favor expectancy over uncertainty in shaping the reward–cue attentional salience. Psychological Research 83, 332–346 (2019). https://doi.org/10.1007/s00426-017-0960-9

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  • DOI: https://doi.org/10.1007/s00426-017-0960-9

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