The hallucination of not noticing the sensory input of something that is there such as not seeing one’s keys on a table even though they are in plain sight or not hearing one’s name being clearly called. Negative hallucinations can easily be created when a person is hypnotized.
Readers, please enjoy this guest blog post by Sandra Kynes, author of several books, including The Herb Gardener's Essential Guide, Plant Magic, and the new Witches' Encyclopedia of Magical Plants, among many others.
Although a few old books...