Artwork from the Knight of Wands tarot card featuring the Golden Halos (Psilosybe cubensis). Magic mushroom in hand, the Knight of Wands steps into the future. According to the “Stoned Ape Hypothesis” outlined by Terrence McKenna in his book Food of the Gods, psychedelic mushrooms may have played an important role in the expansion of the human mind. As scientific research now shows that psilocybin increases connectivity between synapses in the brain, facilitating creative thinking and problem solving, it's quite possible that, as McKenna put it: "we ate our way to higher consciousness."