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Causal contribution of optic flow signal in Macaque extrastriate visual cortex for roll perception

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Listed:
  • Wenhao Li

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Jianyu Lu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences)

  • Zikang Zhu

    (Chinese Academy of Sciences)

  • Yong Gu

    (Chinese Academy of Sciences
    University of Chinese Academy of Sciences
    Shanghai Center for Brain Science and Brain-Inspired Intelligence Technology)

Abstract

Optic flow is a powerful cue for inferring self-motion status which is critical for postural control, spatial orientation, locomotion and navigation. In primates, neurons in extrastriate visual cortex (MSTd) are predominantly modulated by high-order optic flow patterns (e.g., spiral), yet a functional link to direct perception is lacking. Here, we applied electrical microstimulation to selectively manipulate population of MSTd neurons while macaques discriminated direction of rotation around line-of-sight (roll) or direction of linear-translation (heading), two tasks which were orthogonal in 3D spiral coordinate using a four-alternative-forced-choice paradigm. Microstimulation frequently biased animal’s roll perception towards coded labeled-lines of the artificial-stimulated neurons in either context with spiral or pure-rotation stimuli. Choice frequency was also altered between roll and translation flow-pattern. Our results provide direct causal-link evidence supporting that roll signals in MSTd, despite often mixed with translation signals, can be extracted by downstream areas for perception of rotation relative to gravity-vertical.

Suggested Citation

  • Wenhao Li & Jianyu Lu & Zikang Zhu & Yong Gu, 2022. "Causal contribution of optic flow signal in Macaque extrastriate visual cortex for roll perception," Nature Communications, Nature, vol. 13(1), pages 1-17, December.
  • Handle: RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-33245-5
    DOI: 10.1038/s41467-022-33245-5
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    References listed on IDEAS

    as
    1. Frank Bremmer & Jan Churan & Markus Lappe, 2017. "Heading representations in primates are compressed by saccades," Nature Communications, Nature, vol. 8(1), pages 1-13, December.
    2. Adam Zaidel & Gregory C. DeAngelis & Dora E. Angelaki, 2017. "Decoupled choice-driven and stimulus-related activity in parietal neurons may be misrepresented by choice probabilities," Nature Communications, Nature, vol. 8(1), pages 1-13, December.
    3. Mehrdad Jazayeri & J. Anthony Movshon, 2007. "A new perceptual illusion reveals mechanisms of sensory decoding," Nature, Nature, vol. 446(7138), pages 912-915, April.
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