Event Related Potentials

From: Whitehouse Chantal (CW495@psy.soton.ac.uk)
Date: Wed May 08 1996 - 11:45:03 BST

I understand what event related potentials are but I'm unsure about
their use. I read that they are used to "study the time course of
higher-level processes in the human brain, such as perception and
attention" but I don't really understand how this is concluded from
the fluctuation which is produced on the EEG. I also can't see the
use of this information. What do we learn about the mind or the brain
from knowing how long it takes to perceive a light flash or a word
being spoken?

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