Moran and Desimone (1985) Conducted a Single-Cell Recording Experiment with Rhesus

Moran and Desimone (1985) conducted a single-cell recording experiment with rhesus monkeys.Monkeys were trained to keep their eyes fixated on a central point and to then, as in the Posner paradigm, to attend to objects in one of two locations they were not directly looking at.They found that ______.

A) in monkeys, visual attention occurs in the monkey's lateral geniculate nucleus
B) monkeys did not respond faster to valid trials than to invalid trials
C) at a physiological level, attention does not feedback to earlier visual processing; attention is cognitive
D) at a physiological level, attention can affect the processing of visual information