Using 20 levels of intensity, we measured children's thresholds to discriminate the six basic
emotional expressions from neutral and their misidentification rates. Combined with the …

The authors examined spatial frequency (SF) tuning of upright and inverted face
identification using an SF variant of the Bubbles technique (F. Gosselin & PG Schyns, 2001) …

Like any physical information processing device, the human brain is inherently noisy: If a
participant is presented with the same sensory stimulus multiple times and is asked to press …

Perceptual decisions require the brain to weigh noisy evidence from sensory neurons to
form categorical judgments that guide behavior. Here we review behavioral and …

A common approach to understanding human perception is to compare people's perceptual
behaviors to those of computational models known as “ideal observers”(Barlow, 1959; …

What are the computational mechanisms that underlie perceptual and cognitive behavior?
Any answer to this question must start with the observation that the brain has to work with …