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The brain flexibly uses spatial and predictive cognitive maps for generalization. The orbitofrontal cortex updates these hippocampal maps based on task demands, improving inference.

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Decision Making

Background:

  • Cognitive maps organize relational knowledge, aiding generalization and inference.
  • Selecting relevant maps from multiple structures is a key challenge.

Purpose of the Study:

  • Investigate how spatial and predictive cognitive maps influence generalization.
  • Examine the neural mechanisms underlying map selection and updating.

Main Methods:

  • A choice task where spatial location determined reward magnitude.
  • Behavioral analysis of participant choices.
  • Neuroimaging to track hippocampal and orbitofrontal cortex activity.

Main Results:

  • Both spatial and predictive maps influenced generalization.
  • Hippocampus built spatial maps and encoded transition structures.
  • Orbitofrontal cortex (OFC) represented spatial vs. predictive map consistency.
  • OFC updated hippocampal representations, strengthening spatial maps over time.

Conclusions:

  • The brain flexibly uses and updates hippocampal cognitive maps for inference.
  • The OFC plays a crucial role in selecting and updating relevant cognitive maps.