Earlier this year a study was published in the Journal of Experimental Psychology (published under the American Psychological Association) that found hypnosis can have profound effects on executive function – the cognitive processes that regulate our goals as well as the thought processes and actions oriented towards achieving those goals.
This is known as the Clever Hands test and it has been used in previous experiments that have shown that people are unable to switch off their unconscious motivation for answering the trivia questions correctly.