Sustained Rhythmic Brain Activity Underlies Visual Motion Perception in Zebrafish

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2016
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Pérez-Schuster, Verónica
Kulkarni, Anirudh
Romano, Sebastián A.
Lygdas, Konstantinos
Jouary, Adrien
Dipoppa, Mario
Pietri, Thomas
Haudrechy, Mathieu
Candat, Virginie
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Cell reports. 2016, 17(11), pp. 1098-1112. eISSN 2211-1247. Available under: doi: 10.1016/j.celrep.2016.09.065
Zusammenfassung

Following moving visual stimuli (conditioning stimuli, CS), many organisms perceive, in the absence of physical stimuli, illusory motion in the opposite direction. This phenomenon is known as the motion aftereffect (MAE). Here, we use MAE as a tool to study the neuronal basis of visual motion perception in zebrafish larvae. Using zebrafish eye movements as an indicator of visual motion perception, we find that larvae perceive MAE. Blocking eye movements using optogenetics during CS presentation did not affect MAE, but tectal ablation significantly weakened it. Using two-photon calcium imaging of behaving GCaMP3 larvae, we find post-stimulation sustained rhythmic activity among direction-selective tectal neurons associated with the perception of MAE. In addition, tectal neurons tuned to the CS direction habituated, but neurons in the retina did not. Finally, a model based on competition between direction-selective neurons reproduced MAE, suggesting a neuronal circuit capable of generating perception of visual motion.

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570 Biowissenschaften, Biologie
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motion aftereffect, zebrafish, visual illusions, two-photon calcium imaging, GCaMP, neuronal circuit dynamics, eye movements, optogenetics, mathematical modeling, visual motion perception
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ISO 690PÉREZ-SCHUSTER, Verónica, Anirudh KULKARNI, Morgane NOUVIAN, Sebastián A. ROMANO, Konstantinos LYGDAS, Adrien JOUARY, Mario DIPOPPA, Thomas PIETRI, Mathieu HAUDRECHY, Virginie CANDAT, 2016. Sustained Rhythmic Brain Activity Underlies Visual Motion Perception in Zebrafish. In: Cell reports. 2016, 17(11), pp. 1098-1112. eISSN 2211-1247. Available under: doi: 10.1016/j.celrep.2016.09.065
BibTex
@article{PerezSchuster2016Susta-47700,
  year={2016},
  doi={10.1016/j.celrep.2016.09.065},
  title={Sustained Rhythmic Brain Activity Underlies Visual Motion Perception in Zebrafish},
  number={11},
  volume={17},
  journal={Cell reports},
  pages={1098--1112},
  author={Pérez-Schuster, Verónica and Kulkarni, Anirudh and Nouvian, Morgane and Romano, Sebastián A. and Lygdas, Konstantinos and Jouary, Adrien and Dipoppa, Mario and Pietri, Thomas and Haudrechy, Mathieu and Candat, Virginie}
}
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