Subliminal determinants of cue-guided choice
Sara Garofalo1, Laura Sagliano2, Francesca Starita3
1Department of Psychology, University of Bologna, Cesena, Italy. sara.garofalo@unibo.it.
Scientific Reports
|July 19, 2020
Summary
Conscious awareness of reward cues guides specific choices, while subliminal cues only influence general motivational biases. This research clarifies how perceptual thresholds impact cue-guided decision-making.
Area of Science:
- Cognitive Neuroscience
- Behavioral Psychology
Background:
- External cues associated with rewards can guide goal-directed behavior.
- The necessity of conscious processing for cue-guided choices remains unclear.
Purpose of the Study:
- To investigate if subliminal reward-associated cues can bias behavior towards rewards.
- To compare the effects of subliminal versus supraliminal cue presentation on choice behavior.
Main Methods:
- Three experiments utilized a Pavlovian-to-Instrumental Transfer task.
- Compared subliminal and supraliminal presentation of reward-associated visual cues.
- Assessed participants' choices in response to cue presentation.
Main Results:
- Supraliminal cues guided choices towards both motivationally similar and sensory-specific rewards.
- Subliminal cues selectively biased choices towards motivationally similar rewards (general transfer).
- Conscious elaboration was necessary for outcome-specific transfer, but not general transfer.
Conclusions:
- Cue-guided choices are significantly modulated by the perceptual threshold (subliminal vs. supraliminal) of the cue.
- Subliminal processing of reward cues influences general motivation, while conscious processing enables specific reward targeting.
- Findings have implications for understanding decision-making in everyday life and clinical contexts.
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