What really happens in a psychic's brain when she says she connects with the other side? Find out when Dr. Oz puts Long Island Medium Theresa Caputo to the test! For the first time ever, she undergoes a brain scan while channeling the spirit world.

View Part 1 of Dr. Oz's Psychic Experiment.


View Part 2 of Dr. Oz's Psychic Experiment.

View Part 3 of Dr. Oz's Psychic Experiment.

View Part 5 of Dr. Oz's Psychic Experiment.

See more up-close-and-personal images of the brain.

Read more about the neuroscience of the psychic experience.

After years of trying to get pregnant, doctors told Kelsi Pierce it would be near impossible for her to conceive a child. However, Kelsi got the surprise of her life when her mom volunteered to be her surrogate — and she found out she, too, was pregnant!