Posts Tagged "hallucination"

Relax Your Mind: Build Your Own Ganzfeld Goggles

The Ganzfeld effect is a form of visual sensory deprivation.  The idea is to give the open eyes a blank visual field of uniform color.  Since there is nothing for the eyes to see, the brain cuts off the unchanging input, and often manufactures its own images – these may be thought of as mild hallucinations. [...]