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As one of the most prominent structures in the brain, the hippocampus plays an important role in acquiring memory for certain everyday facts--semantic memory--and in holding onto autobiographical memories--episodic memory. It also looks a lot like a seahorse. (Hippocampus means "horse sea-monster" in Greek.
) Neuroscientist Robert Clark played up the resemblance in this image. Clark digitally added images of real hippocampal neurons to a pair of gold seahorses. The seahorses are oriented as they would be in the human brain. The image won expert's choice (first place) in the posters & graphics category of the 2015 Visualization Challenge, now called The Vizzies, a long-running, annual competition co-sponsored by the National Science Foundation and Popular Science.Image credit: Robert E. Clark
