Dr. Chris Grace discusses sensation thresholds and the impact of sensations below the threshold of perception. He explains how subliminal communication works and why it is ineffective in changing behavior. Dr. Grace speaks out about the senses of taste and smell and how they are used by the human mind.
View the full class here: https://www.youtube.com/playlist?list=PLVHY3HvnI6yMIotukmARTlrCk2q8RXCHg