Cited by 89Visual perception and processing mechanismsNeural dynamics and brain functionEmbodied and Extended Cognition

Neural dynamics of perceptual inference and its reversal during imagery

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Dijkstra, Nadine, Ambrogioni, Luca, Vidaurre, Diego, van Gerven, Marcel·2020·eLife

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Abstract

After the presentation of a visual stimulus, neural processing cascades from low-level sensory areas to increasingly abstract representations in higher-level areas. It is often hypothesised that a reversal in neural processing underlies the generation of mental images as abstract representations are used to construct sensory representations in the absence of sensory input. According to predictive processing theories, such reversed processing also plays a central role in later stages of perception. Direct experimental evidence of reversals in neural information flow has been missing. Here, we used a combination of machine learning and magnetoencephalography to characterise neural dynamics in humans. We provide direct evidence for a reversal of the perceptual feed-forward cascade during imagery and show that, during perception, such reversals alternate with feed-forward processing in an 11 Hz oscillatory pattern. Together, these results show how common feedback processes support both veridical perception and mental imagery.

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  • Visual cortices are activated during visual imagery, with a reversal of the dynamics of the perceptual feed-forward cascade.

    “visual cortices are activated during visual imagery, with a reversal of the dynamics of the perceptual feed-forward cascade”

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Authors
Dijkstra, N., Ambrogioni, L., Vidaurre, D., & van Gerven, M.
Affiliations
  • Radboud University Nijmegen (NL)
  • Aarhus University (DK)
  • Donders Centre for Cognition, Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, Netherlands
Corresponding author
Dijkstra, Nadine
Venue
eLife
Published
2020-07-20
Volume
9
ISSN
2050-084X (ISSN-L)
OpenAlex
W3044887000
Cited by
89
References
63
Citations by year
2026: 7 · 2025: 13 · 2024: 10 · 2023: 22 · 2022: 16 · 2021: 13 · 2020: 6 · 2019: 2
FWCI
7.66
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Radboud Repository (Radboud University) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Radboud Repository (Radboud University) (submittedVersion, other-oa)
Funders
Netherlands Organisation for Scientific Research (639.072.51)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Embodied and Extended Cognition
Keywords
perceptual inference, mental imagery, neural dynamics, predictive processing, feedback processing, feedforward processing, neural oscillations, visual perception, magnetoencephalography, machine learning decoding
MeSH terms
Machine Learning, Adult, Humans, Mental Processes, Neural Pathways, Perception, Magnetoencephalography, Young Adult, Spatio-Temporal Analysis

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