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Task-dependent representations of stimulus and choice in mouse parietal cortex

Author

Listed:
  • Gerald N. Pho

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology
    Harvard University)

  • Michael J. Goard

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology
    University of California, Santa Barbara
    University of California, Santa Barbara)

  • Jonathan Woodson

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

  • Benjamin Crawford

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

  • Mriganka Sur

    (Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

Abstract

The posterior parietal cortex (PPC) has been implicated in perceptual decisions, but whether its role is specific to sensory processing or sensorimotor transformation is not well understood. Here, we trained mice to perform a go/no-go visual discrimination task and imaged the activity of neurons in primary visual cortex (V1) and PPC during engaged behavior and passive viewing. Unlike V1 neurons, which respond robustly to stimuli in both conditions, most PPC neurons respond exclusively during task engagement. To test whether signals in PPC primarily encoded the stimulus or the animal’s impending choice, we image the same neurons before and after re-training mice with a reversed sensorimotor contingency. Unlike V1 neurons, most PPC neurons reflect the animal’s choice of the new target stimulus after re-training. Mouse PPC is therefore strongly task-dependent, reflects choice more than stimulus, and may play a role in the transformation of visual inputs into motor commands.

Suggested Citation

  • Gerald N. Pho & Michael J. Goard & Jonathan Woodson & Benjamin Crawford & Mriganka Sur, 2018. "Task-dependent representations of stimulus and choice in mouse parietal cortex," Nature Communications, Nature, vol. 9(1), pages 1-16, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-05012-y
    DOI: 10.1038/s41467-018-05012-y
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    Cited by:

    1. Taylor J. Malone & Nai-Wen Tien & Yan Ma & Lian Cui & Shangru Lyu & Garret Wang & Duc Nguyen & Kai Zhang & Maxym V. Myroshnychenko & Jean Tyan & Joshua A. Gordon & David A. Kupferschmidt & Yi Gu, 2024. "A consistent map in the medial entorhinal cortex supports spatial memory," Nature Communications, Nature, vol. 15(1), pages 1-22, December.
    2. Javier G. Orlandi & Mohammad Abdolrahmani & Ryo Aoki & Dmitry R. Lyamzin & Andrea Benucci, 2023. "Distributed context-dependent choice information in mouse posterior cortex," Nature Communications, Nature, vol. 14(1), pages 1-16, December.
    3. Márton Albert Hajnal & Duy Tran & Michael Einstein & Mauricio Vallejo Martelo & Karen Safaryan & Pierre-Olivier Polack & Peyman Golshani & Gergő Orbán, 2023. "Continuous multiplexed population representations of task context in the mouse primary visual cortex," Nature Communications, Nature, vol. 14(1), pages 1-20, December.

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