When tickling the brain to stimulate memory, location matters
Zapping white, not gray, matter improves memory test results, new research suggests
![brain white matter](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/03/032618_RE_brain-stimulation_main.jpg?fit=860%2C460&ssl=1)
WHITE MAGIC Targeting parts of the brain's white matter, the tissue that connects different brain regions (shown), may be key to whether stimulating the brain with electricity will work as a treatment for memory problems and other ills.
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