“Being crabby” might have a whole new meaning.

A crab’s nervous system could help scientists learn what causes single neurons in the human brain to become “out of whack,” which can contribute to the development of neurological diseases like Alzheimer’s disease. Knowing exactly how a single neuron operates among the billions housed in the human brain could one day help scientists design innovative ways to prevent and treat these diseases, such as targeted therapies.

The study, conducted by researchers at the University of Missouri, Brandeis University and the University of Texas at Austin, was published in the journal Proceedings of the National Academy of Sciences.

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