Cleary and her team took subjects through a series of scenes in the Sims video game, carefully designed so that the spatial layout of one scene was similar to another, even though the actual images were quite different. She used virtual reality to trigger déjà vu. Anne Cleary, professor of cognitive psychology and memory researcher at Colorado State University, had a more high-tech idea. In 2006, a team in England hypnotized subjects to induce déjà vu. Still, researchers have come up with novel ways to study it in the wild. ![]() Much that is known about déjà vu is based on surveys. The experience typically lasts no more than a few seconds and there’s no warning of when it’s about to happen, making it extremely difficult to study. In addition to the paranormal associations, déjà vu has presented another hurdle for researchers. Since then, he and a handful of researchers have ushered the study of déjà vu into mainstream science. ![]() In essence, his groundwork set the stage for the research community to take a closer look at the phenomenon in the years to come. In 2003, psychologist Alan Brown published a paper in the journal Psychological Bulletin that reviewed what little was known about déjà vu and connected that information to the existing paradigms in cognitive psychology and memory research. It’s not hard to understand why déjà vu got a reputation for being a little woo-woo and supernatural. And of course, there’s the modern Hollywood-hatched idea that déjà vu results from a glitch in the Matrix. Plato described something similar to déjà vu as evidence of past lives. Carl Jung thought the experience was related to the collective unconscious. Sigmund Freud looked at déjà vu and saw repressed desires. Over the centuries, humans often took déjà vu as evidence of what they already believed. But people had the experience long before it had a name. The French term déjà vu, which translates into English as “already seen,” was coined in 1876 by French philosopher and psychical researcher Émile Boirac. Experts estimate roughly two out of three people have had the experience at least once. Still, the feeling may be so intense - and so real - that you almost know what you’ll find when you walk into the kitchen. This is the first time you’ve ever visited this city. You visit a friend’s apartment and have the overwhelming sense you’ve been here before, but that can’t be the case. Déjà vu is the peculiar feeling that you’ve experienced something before, while at the same time knowing that you haven’t. doi :10.1016/j.clinph.2011.08.If you have the peculiar feeling you've read this before, don't be alarmed. “ Rhinal-hippocampal interactions during déjà vu.” Clinical Neurophysiology, vol. J., Nguyen, T., McGonigal, A., Régis, J., Chauvel, P., and F. “ A review of the déjà vu experience.” Psychology Bulletin, vol. Part of the Essays in Cognitive Psychology series. “ Familiarity from the configuration of objects in 3-dimensional space and its relation to déjà vu: a virtual reality investigation.” Consciousness and Cognition, vol. ![]() S., Sawyer, B.D., Nomi, J.S., Ajoku, A.C., and A. “ Déjà vu: possible parahippocampal mechanisms.” The Journal of Neuropsychiatry & Clinical Neurosciences, vol. “ Cortical stimulation study of the role of rhinal cortex in déjà vu and reminiscence of memories.” Neurology, vol.
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