Nature Communications (Dec 2021)
Proactive and reactive accumulation-to-bound processes compete during perceptual decisions
Abstract
Models of perceptual decision making typically take into account either reactive responses to external stimuli or proactive aspects to decision making. Here the authors found that rat perceptual responses are generated by a combination of the standard evidence accumulation process with a fixed decision boundary, and a separate stochastic boundary collapse triggered by a parallel proactive process.