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Reward Facilitates Tactile Judgments and Modulates Hemodynamic Responses in Human Primary Somatosensory Cortex
Open accessAbstract
Reinforcing effects of reward on action are well established, but possible effects on sensory function are less well explored. Here, using functional magnetic resonance imaging, we assessed whether reward can influence somatosensory judgments and modulate activity in human somatosensory cortex. Participants discriminated electrical somatosensory stimuli on an index finger with correct performance rewarded financially at trial end, at one of four different anticipated levels. Higher rewards improved tactile performance and led to increased hemodynamic signals from ventral striatum on rewarded trials. Remarkably, primary somatosensory cortex contralateral to the judged hand was reactivated at the point of reward delivery, despite the absence of concurrent somatosensory input at that time point. This side-specific reactivation of primary somatosensory cortex increased monotonically with level of reward. Moreover, the level of reward received on a particular trial influenced somatosensory performance and neural activity on the subsequent trial, with better discrimination and enhanced hemodynamic response in contralateral primary somatosensory cortex for trials that followed higher rewards. These results indicate that rewards can influence not only classical reward-related regions, but also early somatosensory cortex when a decision is required for that modality.
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“Reward/incentives have been shown to improve perceptual, cognitive and motor performance as well as neural efficiency in the animal and human literature (Ding and Hikosaka, 2007; Pleger et al., 2008; Savine and Braver, 2010; Weil et al., 2010).”
From A systematic review of fMRI reward paradigms used in studies of adolescents vs. adults: The impact of task design and implications for understanding neurodevelopment (2013) · cites this paper as Pleger et al., 2008
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Metadata
- Authors
- Pleger, B., Blankenburg, F., Ruff, C. C., Driver, J., & Dolan, R. J.
- Affiliations
- Max Planck Society (DE)
- Wellcome Centre for Human Neuroimaging (GB)
- Venue
- The Journal of Neuroscience
- Publisher
- Society for Neuroscience
- Published
- 2008-08-13
- Volume
- 28
- Issue
- 33
- Pages
- 8161-8168
- ISSN
- 0270-6474 (ISSN-L)
- 1529-2401
- PMC
- PMC2682779
- OpenAlex
- W2067856234
- Cited by
- 120
- References
- 44
- Citations by year
- 2025: 3 · 2024: 3 · 2023: 8 · 2022: 7 · 2021: 6 · 2020: 5 · 2019: 5 · 2018: 7 · 2017: 1 · 2016: 3 · 2015: 9 · 2014: 9 · 2013: 15 · 2012: 10
- FWCI
- 5.01
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- Locations
- Journal of Neuroscience (publishedVersion, cc-by-nc-sa)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, other-oa)
- Europe PMC (PubMed Central) (acceptedVersion)
- MPG.PuRe (Max Planck Society) (submittedVersion, other-oa)
- Max Planck Institute for Plasma Physics (submittedVersion)
- UCL Discovery (University College London) (submittedVersion)
- Max Planck Digital Library (submittedVersion, other-oa)
- MPG.PuRe (Max Planck Society) (submittedVersion)
- Zurich Open Repository and Archive (University of Zurich) (submittedVersion, other-oa)
- Zurich Open Repository and Archive (University of Zurich)
- Funders
- Wellcome Trust (078865)
- Leverhulme Trust
- Vetenskapsrådet
- Medical Research Council
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Tactile and Sensory Interactions
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
- Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
- Keywords
- reward, primary somatosensory cortex, tactile discrimination, ventral striatum, hemodynamic response, monetary rewards
- MeSH terms
- Adult, Evoked Potentials, Somatosensory, Female, Hemodynamics, Humans, Judgment, Male, Psychomotor Performance, Reward, Somatosensory Cortex, Touch
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