The published study reports on Bridge’s work with 12 participants, but she has run several variations of the study with a total of 70 people. “Maybe a witness remembers something fairly accurately the first time because his memories aren’t that distorted,” she said. The findings have implications for witnesses giving testimony in criminal trials, Bridge noted. “Your memory of an event can grow less precise even to the point of being totally false with each retrieval.”īridge did the research while she was a doctoral student in lab of Ken Paller, a professor of psychology at Northwestern in the Weinberg College of Arts and Sciences.
“A memory is not simply an image produced by time traveling back to the original event - it can be an image that is somewhat distorted because of the prior times you remembered it,” said Donna Bridge, a postdoctoral fellow at Northwestern University Feinberg School of Medicine and lead author of the paper on the study recently published in the Journal of Neuroscience. The Northwestern study is the first to show this. Thus, the next time you remember it, you might recall not the original event but what you remembered the previous time. Turns out your memory is a lot like the telephone game, according to a new Northwestern Medicine study.Įvery time you remember an event from the past, your brain networks change in ways that can alter the later recall of the event. CHICAGO - Remember the telephone game where people take turns whispering a message into the ear of the next person in line? By the time the last person speaks it out loud, the message has radically changed.
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