
Hybrid Imagery combines the low spatial frequencies of one picture with the high spatial frequencies of another. The end result is an optical illusion that can be perceived in two ways.
Can you see Albert Einstein?
Who else do you see?
Psychological Perspectives

Out-of-body experiences (OBEs) are typically associated with individuals who have certain kinds of dissociative or post traumatic disorders. Though people who are generally in good health also report having OBEs, the experience is poorly understood. Often, out-of-body experiences are met by others with skepticism and stigma.
I've heard this expression many times in my life, "But you're not a real doctor."
But the truth, as defined in the Merriam Webster Dictionary, is that a doctor is "a person who has earned the highest academic degree awarded by a college or university in a specified discipline." From the fields of art to zoology, and every profession in between, students work very hard in their chosen profession to achieve this degree. In addition, many have to jump through further hurdles by passing rigorous licensing exams.
