Memories are thought to form in the brain’s hippocampi SEBASTIAN KAULITZKI/SCIENCE PHOTO LIBRARY/Getty Images
How do we make a memory? An idea gaining ground is that forming memories and recalling them involves brainwaves cycling several times a second in our hippocampi, two small curved structures on either side of the brain.
Evidence to support the idea is accumulating, including the first glimpse of subtle patterns in people’s actions that reflect these underlying rhythms. “You can make these brainwaves visible in behaviour,” says Maria Wimber at the University of Birmingham, UK.
The findings raise the possibility …