Distinct prefrontal top-down circuits differentially modulate sensorimotor behavior

Rafiq Huda

doi:10.1038/s41467-020-19772-z

Distinct prefrontal top-down circuits differentially modulate sensorimotor behavior

2020-11-26

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Vincent Breton‐Provencher

DOI：10.1038/s41467-020-19772-z

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Sensorimotor behaviors require processing of behaviorally relevant sensory cues and the ability to select appropriate responses from a vast behavioral repertoire. Modulation by the prefrontal cortex (PFC) is thought to be key for both processes, but the precise role of specific circuits remains unclear. We examined the sensorimotor function of anatomically distinct outputs from a subdivision of the mouse PFC, the anterior cingulate cortex (ACC). Using a visually guided two-choice behavioral paradigm with multiple cue-response mappings, we dissociated the sensory and motor response components of sensorimotor control. Projection-specific two-photon calcium imaging and optogenetic manipulations show that ACC outputs to the superior colliculus, a key midbrain structure for response selection, principally coordinate specific motor responses. Importantly, ACC outputs exert control by reducing the innate response bias of the superior colliculus. In contrast, ACC outputs to the visual cortex facilitate sensory processing of visual cues. Our results ascribe motor and sensory roles to ACC projections to the superior colliculus and the visual cortex and demonstrate for the first time a circuit motif for PFC function wherein anatomically non-overlapping output pathways coordinate complementary but distinct aspects of visual sensorimotor behavior. The neural circuit mechanisms for sensorimotor control by the prefrontal cortex (PFC) are unclear. Here, the authors show that PFC outputs to the visual cortex and superior colliculus respectively facilitate sensory processing and action selection, allowing the PFC to independently control complementary but distinct behavioral functions.

Keyword:

FRONTAL EYE FIELD

SUPERIOR COLLICULUS

VISUAL-CORTEX

VOLUNTARY CONTROL

BASAL GANGLIA

LONG-RANGE

DECISION

MOVEMENTS

SELECTION

NEURONS

Distinct prefrontal top-down circuits differentially modulate sensorimotor behavior

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