Collecting the right quantity of evidence: How the brain makes a difficult decision

(Scuola Internazionale Superiore di Studi Avanzati) New research conducted in the Cognitive Neuroscience group of SISSA shows that a perceptual decision - recognizing an object and taking the appropriate action - is triggered as soon as the brain's processing networks accumulate the exact right quantity of sensory information. The studies uncover fundamental brain mechanisms underlying decision making in an uncertain world.