While the optical illusions above may not produce any hallucinogenic effects, the clip you're about to see definitely will. Technically speaking, a "psychedelic experience" is an altered state of awareness induced by the consumption of certain psychotropics or sensory deprivation - video in this case. Thankfully, the effects only last for 5-minutes. Continue reading for the mind-blowing video.
In 2012, ScienceForum created a trippy video of optical illusions designed to produce natural hallucinogenic effects after viewing.
I can attest that watching the video does, in fact, trigger temporary dizzying effects (they seem to go away in about five minutes). Be sure to view it in HD and in fullscreen to start the wild optical ride.