Signs of Alzheimer’s seen in young brain’s GPS cells
Young adults at high risk for the memory-sapping disease don’t rely on grid cells to navigate
![virtual maze](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/10/102215_mr_alzheimers-main_free.jpg?fit=860%2C460&ssl=1)
BRAIN MAZE Even before symptoms show up, young people who have a version of a gene linked to Alzheimer’s disease tap into different areas of the brain to navigate through a virtual reality maze.
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