Afterwards they were hypnotised and informed that all the squares were red. The figures were shown one at a time on different areas of the screen and the test subjects were assigned the task of naming the colours of the various figures. In part of the study two female test subjects were shown various figures of different colours on a computer screen. “By observing raised levels of high-frequency activity in the brain of test subjects, their reaction times and automatic as well as controlled eye movements, we’ve seen that hypnosis is really authentic and objectively measurable,” says Kallio. Swedish and Finnish researchers have found concrete, objective signs that show a person is hypnotised. “Automatic processes in the brain, such as perception of colours, are modified during hypnosis, which means their consciousness is altered,” he explains.
“We have studied a few control subjects who are highly receptive to hypnosis and found proof that hypnosis can affect, and even change, how they consciously perceive an object,” says Associate Professor Sakari Kallio of Skövde University College (HIS) in Sweden.
Are subjects who are said to be hypnotised just allowing themselves to be guided by suggestion, empathy, fantasy and their own notions? Or is hypnosis objectively measurable as an altered state of mind? Scientists disagree as to whether or not hypnosis is real. This is the so-called “trance stare”, which researchers prefer to call a hypnotically induced stare. When the person is under hypnosis their eyes look glazed and their blinking frequency is drastically reduced.
By uttering a single word, Sakari Kallio can take the highly hypnotisable test person in and out of a hypnotic state.
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