It helps both working and long-term memory.
Pulsing electrical currents through the brain for 20 minutes8 percent of people
The research team divided 60 participants between the ages of 65 and 88 into three groups: one group wore the device but didn’t get any electrical stimulation; the second received stimulation in the region associated with working memory; and the third received stimulation in the area associated with long-term memory. For four consecutive days, the participants received the treatment while performing a memory task where they were read a list of 20 words and asked to recall them.
Unlike drugs and medications, which target the chemistry of the brain, this type of approach targets the brain’s electrical systems. The electrical stimulation likely helps improve the brain’s growth and change in areas that are important for memory, said study author Shrey Grover, a cognitive neuroscience researcher at Boston University, during the briefing. “Our brains are plastic and they can be changed as we learn,” he says.
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