Cited by 337Visual perception and processing mechanismsMemory and Neural MechanismsMultisensory perception and integration

Rewards evoke learning of unconsciously processed visual stimuli in adult humans

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Seitz, Aaron R., Kim, Dongho, Watanabe, Takeo·2009·Neuron

Abstract

The study of human learning is complicated by the myriad of processing elements involved in conducting any behavioral task. In the case of visual perceptual learning, there has been significant controversy regarding the task processes that guide the formation of this learning. However, there is a developing consensus that top-down, task-related factors are required for such learning to take place. Here we challenge this idea by use of a novel procedure in which human participants, who were deprived of food and water, passively viewed visual stimuli while receiving occasional drops of water as rewards. Visual orientation stimuli, which were temporally paired with the liquid rewards, were viewed monocularly and rendered imperceptible by continuously flashing contour-rich patterns to the other eye. Results show that visual learning can be formed in human adults through stimulus-reward pairing in the absence of a task and without awareness of the stimulus presentation or reward contingencies.

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Crossref · 10.1016/j.neuron.2009.01.016

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  • Even if an image is fully suppressed for the entire duration of the experiment, humans can unconsciously learn about its features.

    “For example, even if an image is fully suppressed for the entire duration of the experiment, humans can unconsciously learn about its features (Seitz et al., 2009).”

    From Hard criteria for empirical theories of consciousness (2021) · cites this paper as Seitz et al., 2009

    The Results report that continuous flash suppression made the orientation stimuli imperceptible throughout training and that participants subsequently showed significant learning of the trained orientation. However, the Experiment 2 Sensitivity Tests section describes tests before, during, and after training without that suppression. The source supports unconscious learning of a feature during training, not suppression for the entire experiment. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • State-dependent fluctuations within a single individual may also affect the expression of reward-based selection history bias.

    “Studies that manipulated the state of individuals to observe reward effects (e.g., by depriving them of water: Seitz et al., 2009; or food: Cunningham & Egeth, 2016) suggest that state-dependent fluctuations within a single individual may also affect the expression of reward-based selection history bias.”

    From Selection history: How reward modulates selectivity of visual attention. (2018) · cites this paper as Seitz et al., 2009

    The Results (page unavailable) report that the same participants rated water as more pleasant after deprivation than without it, and that a separate non-deprived group showed no significant learning for the water-paired orientation. This supports the suggestion that state affects reward value and may affect reward-related learning, but the paper does not test within-person fluctuations in reward-based selection history bias. (LLM, conf=0.85)

    Experimental — accuracy not yet measured
  • Incentives ultimately benefit attentional processing and enhance the perceptual representation of reward-associated targets.

    “This notion is in line with findings showing that incentives ultimately benefit attentional processing (Kiss et al., 2009; Sawaki et al., 2015) as well as enhance the perceptual representation of reward-associated targets (Seitz, Kim & Watanabe, 2009; Serences, 2008).”

    From Selection history: How reward modulates selectivity of visual attention. (2018) · cites this paper as Seitz et al., 2009

  • There is a precedent for unconscious reward-based learning in the perceptual learning literature, and the reward can be internal - it does not need to be explicitly provided by the experimenter.

    “There is a precedent for such unconscious reward-based learning in the perceptual learning literature, and the reward can be internal – it does not need to be explicitly provided by the experimenter (Seitz et al., 2009).”

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Authors
Seitz, A. R., Kim, D., & Watanabe, T.
Affiliations
  • University of California, Riverside (US)
  • Boston University (US)
Corresponding author
Seitz, Aaron R.
Venue
Neuron
Publisher
Elsevier BV
Published
2009-03
Volume
61
Issue
5
Pages
700-707
ISSN
0896-6273 (ISSN-L)
OpenAlex
W2040382032
Cited by
337
References
57
Citations by year
2026: 4 · 2025: 9 · 2024: 5 · 2023: 14 · 2022: 16 · 2021: 22 · 2020: 19 · 2019: 20 · 2018: 23 · 2017: 25 · 2016: 18 · 2015: 23 · 2014: 37 · 2013: 29 · 2012: 23
FWCI
11.82
Type
journal article
Language
en
Open access
Locations
  • Neuron (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Eye Institute (R01EY015980, R21EY017737)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Multisensory perception and integration
Keywords
visual perceptual learning, reward, unconscious processes, top-down processing, monocular viewing, stimulus awareness, food deprivation, water reward, visual orientation
MeSH terms
Adult, Female, Humans, Learning, Male, Pattern Recognition, Visual, Photic Stimulation, Psychophysics, Reward, Unconscious, Psychology, Young Adult

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