Virginia, Feb. 9 -- Our biceps and brain cells might have more in common than we believed. According to a new study from the Lippincott-Schwartz Lab, a network of subcellular structures similar to those responsible for propagating molecular signals that make muscles contract are also responsible for transmitting signals in the brain that may facilitate learning and memory.

"Einstein said that when he uses his brain, it is like he is using a muscle, and in that respect, there is some parallel here," said Janelia Senior Group Leader Jennifer Lippincott-Schwartz. "The same machinery is operating in both cases but with different readouts."

The first clue about the possible connection between brain and muscle cells came when Janelia scientis...