Deep brain stimulation uses electrodes implanted in the brain Image Point Fr/Shutterstock
Deep brain stimulation could be used to reduce the emotional strength of a person’s memories and may one day even help tackle post-traumatic stress disorder.
Salman Qasim at Icahn School of Medicine at Mount Sinai in New York and his colleagues investigated the link between emotion and memory by reanalysing data from a previous study. “We really wanted to understand how the brain kind of naturally enhances memory for certain events over others,” says Qasim.
In the study, 148 people …
