Lateral orbitofrontal cortex anticipates choices and integrates prior with current information.

Nogueira, R., Abolafia, J., Drugowitsch, J., Balaguer-Ballester, E., Sanchez-Vives, M.V. and Moreno-Bote, R., 2017. Lateral orbitofrontal cortex anticipates choices and integrates prior with current information. Nature Communications, 8, p. 14823.

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DOI: 10.1038/ncomms14823

Abstract

Adaptive behavior requires integrating prior with current information to anticipate upcoming events. Brain structures related to this computation should bring relevant signals from the recent past into the present. Here we report that rats can integrate the most recent prior information with sensory information, thereby improving behavior on a perceptual decision-making task with outcome-dependent past trial history. We find that anticipatory signals in the orbitofrontal cortex about upcoming choice increase over time and are even present before stimulus onset. These neuronal signals also represent the stimulus and relevant second-order combinations of past state variables. The encoding of choice, stimulus and second-order past state variables resides, up to movement onset, in overlapping populations. The neuronal representation of choice before stimulus onset and its build-up once the stimulus is presented suggest that orbitofrontal cortex plays a role in transforming immediate prior and stimulus information into choices using a compact state-space representation.

Item Type:Article
ISSN:2041-1723
Uncontrolled Keywords:Decision; Neural decoding; Neural encoding; Sensory processing
Group:Faculty of Science & Technology
ID Code:28369
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:28 Mar 2017 14:58
Last Modified:28 Mar 2017 14:58

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