Performance monitoring is a key cognitive function, allowing to detect mistakes and adapt
future behavior. Post-decisional neural signals have been identified that are sensitive to …

Decision making has recently emerged as a central theme in neurophysiological studies of
cognition, and experimental and computational work has led to the proposal of a cortical …

A number of studies have shown that pupil size increases transiently during effortful
decisions. These decision-related changes in pupil size are mediated by central …

Simple perceptual decisions are ideally suited for studying the sensorimotor transformations
underlying flexible behavior [1, 2]. During perceptual detection, a noisy sensory signal is …

The human alpha (8–12 Hz) rhythm is one of the most prominent, robust, and widely studied
attributes of ongoing cortical activity. Contrary to the prevalent notion that it simply “waxes …

While a considerable body of experimental data has been accumulated on the differences
between conscious and non-conscious processing, a theory is needed to bridge the neuro …

The ability to revise one's certainty or confidence in a preceding choice is a critical feature of
adaptive decision-making but the neural mechanisms underpinning this metacognitive …

The relatively random spiking times of individual neurons are a source of noise in the brain.
We show that in a finite-sized cortical attractor network, this can be an advantage, for it leads …

Decisions are often made by accumulating ambiguous evidence over time. The brain's
arousal systems are activated during such decisions. In previous work in humans, we found …

A fundamental problem in neurobiology is to understand how brain circuits represent
sensory information and how such representations give rise to perception, memory and …