Adult mouse brains are teeming with ‘silent synapses’
The finding could help explain how the brain keeps making new memories while retaining old ones
![An illustration of a nerve cell with extensions branching out to create connections called synapses.](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2022/12/120722_cl_silent-synapses_feat.jpg?fit=1030%2C580&ssl=1)
Extensions branch out of a nerve cell (illustrated) to create connections called synapses. Inactive, or silent, synapses, now found in adult mice, may be important for forming new memories, new research suggests.
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