Dean Radin on Perceptual Manipulation

Excerpt from an excellent speech by Dr. Dean Radin, researcher of psi phenomena: telepathy, psychokinesis, precognition, etc.
In this excerpt, Dr. Radin shows how easy it is for human perceptions to be tricked. I provide a further shocking example to underscore this. The question naturally follows: considering human perceptions are so easily manipulated, should we therefore be careful when looking at the interactions between humans and entities in the NDE realm, ET abductions, etc.?

Source:
Psychic Abilities and the Illusion of Separation ~ Dean Radin PhD
https://www.youtube.com/watch?v=_NpAJ6Zg9Xs

Fair use. This is for educational purposes.