I see faces

Can Children See Emotions in Faces?

One way in which we figure out how people are feeling is by looking at their faces. Being able to do this allows us to react in the right way in social situations. But, are young children good at recognizing facial expressions showing emotion? And how does this ability develop throughout childhood and the teenage years? Children are able to recognize certain emotions very well when they are jus...

Learning to see faces and objects.

Visual recognition of objects is an impressively difficult problem that biological systems solve effortlessly. We consider two aspects of this ability. First, is the recognition of all objects accomplished by either a single system or multiple, domain-specific systems? Behavioral, neuropsychological and neuroimaging data indicate that a single system is sufficient for the recognition of all obj...

Do You See What I See?

Studying visual illusions is critical to understanding typical visual perception. We investigated whether rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella) perceived the Delboeuf illusion in a similar manner as human adults (Homo sapiens). To test this, in Experiment 1, we presented monkeys and humans with a relative discrimination task that required subjects to choose the lar...

How I See the Yoruba See Themselves

Do You See What I See?

n this issue of the Journal, Hoffmann et al. (1) report on heir comparison of conventional and contrast-enhanced chocardiography, biplane cine angiography, and cardiac agnetic resonance for the detection of regional wall otion abnormalities. Their effort to acquire three or four f these modalities in the same patients creates an opporunity to consider the relative utility of these tests in a gr...