This image shows a putative indirectpathway striatal medium spiny neuron (cyan) labeled during in vivo juxtacellular recording in a mouse in which the fluorescent dye tomato (red) was expressed under the control of the D1 dopamine receptor promoter. For more information, see the article by Keifman, Coll et al. (Pages 8767–8779). Cover Image: Barbara Yael Braz.