Consciousness is a fundamental component of cognition, but the degree to which higher-order perception relies on it remains disputed. Here we demonstrate the persistence of learning, semantic processi...

Increasing evidence suggests that attention varies rhythmically, phase-locked to ongoing cortical oscillations. Here, we report that the phase of theta oscillations (3 to 6 Hz) in the frontal eye fiel...

Crows in a lab were able to distinguish shapes that exhibited right angles, parallel lines, and symmetry, suggesting that, like humans, they have a special ability to perceive geometric regularity.