The Perky Experiments – Clouding Imagination and Perception

In 1910, a series of experiments were conducted that have come to be known as the Perky Experiments. They have achieved an almost mythical statuse, but the result shave been repeated and verified. In the experiments a subject was asked to look at a white wall, and unbeknownst to them a faint image just above the normal threshold of visibility, was back projected in soft focus onto the wall. Subjects to asked to visualise in their mind an image on the wall. (keep reading)