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The orbitofrontal cortex updates beliefs for state inference.

Shannon S Schiereck¹, Danilo Trinidad Pérez-Rivera¹, Andrew Mah¹

¹Center for Neural Science, New York University; New York, NY 10003.

Biorxiv : the Preprint Server for Biology

|November 18, 2024

Summary

This summary is machine-generated.

Rats develop distinct cognitive strategies during decision-making tasks, which are reflected in orbitofrontal cortex (OFC) neural activity. These neural dynamics reveal the brain

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Area of Science:

Neuroscience
Cognitive Science
Decision-Making Research

Background:

Behavioral variability arises from diverse cognitive strategies.
Integrating behavioral analysis with neural recordings can elucidate these strategies.
The orbitofrontal cortex (OFC) is implicated in decision-making and reward processing.

Purpose of the Study:

To investigate how cognitive strategies evolve during learning in a decision-making task.
To determine if OFC neural dynamics can distinguish between different cognitive strategies.
To identify the neural basis of state inference in decision-making.

Main Methods:

Rats performed a temporal wagering task with hidden reward states.
Electrophysiological recordings captured OFC neural activity.
Novel methods analyzed population dynamics to identify latent neural factors.
OFC inactivation experiments assessed causality.

Main Results:

Naive rats adapted to reward statistics, while expert rats inferred hidden reward states.
Distinct OFC neural dynamics correlated with inferred states in expert rats.
Neural factors showed abrupt changes reflecting state transitions in experts.
OFC neurons reflected single-trial inferences, causally impacting behavior.

Conclusions:

Cognitive strategies in decision-making are decipherable from OFC neural dynamics.
OFC neural activity encodes inferred reward states and state transitions.
These findings reveal the neural signatures of inference during learning.