Learning new things would be so much easier if we could just download them into our brains, like in The Matrix. Now, biologists at the University of California, Los Angeles (UCLA) have pulled off something similar – at least on a gastropod level – by effectively transferring a memory from a trained snail into the mind of an untrained one. The experiment could eventually lead to new treatments for restoring memory in Alzheimer’s patients or to reduce traumatic memories.
The researchers studied a species of marine snail known as Aplysia. These are commonly used as animal models for neuroscience because the cellular and molecular processes at work are relatively similar to humans, but they have a far more manageable number of neurons – about 20,000, compared to our 100 billion.
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