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 ![Brainbow](/sites/g/files/omnuum6316/files/chsi/files/brainbow.png)

 

**Brainbow of a Hippocampus Dentate Gyrus**  
  
**This image shows individual neurons in part of the memory system of a mouse brain. Each neuron of this transgenic mouse is a different color because each produces a different combination of red, green and blue fluorescent proteins. Being able to image individual neurons allows researchers to better understand the connections within the brain.**  
  
 **Jean Livet, Ryan Draft and Jeff Lichtman  
2007  
Courtesy of Jeff Lichtman Lab, Harvard University**