: Increased visual acuity (specifically edge detection), making early humans more effective hunters.
: McKenna critiques these as "industrial drugs" that promote efficiency and numbing rather than self-reflection. Food of the Gods: The Search for the Original T...
Food of the Gods: The Search for the Original Tree of Knowledge : a Radical History of Plants, Drugs and Human Evolution Food of the Gods: The Search for the Original T...
: He famously describes television as a modern "electronic drug" that flattens human experience and suppresses individual consciousness. Food of the Gods: The Search for the Original T...