What happens in top-down attention? A. A strong sensory stimulus inhibits responses to other, simultaneous stimuli. B. The upper layers of the cerebral cortex inhibit the lower layers. C. Activity...

What happens in top-down attention?
A. A strong sensory stimulus inhibits responses to other, simultaneous stimuli.
B. The upper layers of the cerebral cortex inhibit the lower layers.
C. Activity from upper layers of the cerebral cortex excites the lower layers.
D. The prefrontal cortex facilitates activity in appropriate sensory areas.