Author

Marco Tripodi

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Open access Sep 2026

A collicular somatostatinergic circuit gates sensory access to action

Animals are exposed to far more sensory information than can be converted into action and must prioritise behaviourally salient events. Although salience is commonly studied as modulation of sensory representations, stimulus prioritisation may also arise at premotor stages, through mechanisms that regulate the readines...

Daniel de Malmazet, Letizia Mariotti, Yuan-Xin Zhang et al. · bioRxiv · 0 citations

#reinforcement learning Open access Sep 2026

Reward expectation signals in the superior colliculus during associative learning

Predicting future rewards allows neutral sensory cues to acquire motivational significance and guide goal-directed actions that maximise reward acquisition1. These reward predictions are updated when outcomes differ from expectations resulting in an error in prediction2. Midbrain dopamine neurons provide a canonical ne...

Sevinc Mutlu, Anindita Das, Marco Tripodi · bioRxiv · 0 citations