Constitutional rights and hypnotically elicited testimony

Despite the former popularity of hypnosis as a way of "improving" eyewitnes s memory, many courts almost always regard the use of this testimony to be inadmissible, whereas others allow it only when strict procedural guideline s have been followed, Although the U.S. Supreme Court recognized a defendan t's constitutional right to admit his own hypnotically elicited testimony, others have recognized a constitutional basis to exclude hypnotically elici ted testimony in most other circumstances.