Neural Substrate and Computation for Perceptual Decision Making

Consciousness, Decision-Making and Neural Computation

Computational processes that are closely related to conscious processing and reasoning are described. Evidence is reviewed that there are two routes to action, the explicit, conscious, one involving reasoning, and an implicit, unconscious route for well-learned actions to obtain goals. Then a higher order syntactic thought (HOST) computational theory of consciousness is described. It is argued ...

Neural Stochastic Dynamics of Perceptual Decision Making

Recent studies have identified some brain regions involved in the decision process for simple perceptual tasks, and have provided insight into how sensory information is evaluated before the commitment to a motor response. To understand the dynamical principles of the decision process, and how they emerge from the interaction of interconnected neurons, computational models have been proposed ba...

Neural Mechanisms of Perceptual Decision Making

Cortical circuit-based lossless neural integrator for perceptual decision-making

A role for neural integrators in perceptual decision making.

Decisions based on uncertain information may benefit from an accumulation of information over time. We asked whether such an accumulation process may underlie decisions about the direction of motion in a random dot kinetogram. To address this question we developed a computational model of the decision process using ensembles of neurons whose spiking activity mimics neurons recorded in the extra...