The Idea That the Prefrontal Cortex Filters Out and Inhibits

Multiple Choice

The idea that the prefrontal cortex filters out and inhibits irrelevant information is supported by the ERP findings of Knight and Grabowecky (1995) ,who found that patients with prefrontal lesions produced ________ in response to ignored tones during a dichotic listening task.

A) smaller evoked potentials
B) larger evoked potentials
C) evoked potentials that were longer in duration
D) evoked potentials that were briefer in duration