U.S. Department of Health and Human Services

Eating and Addiction Section

Alexxai V. Kravitz, Ph.D., Chief

​Research Images

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Electrode array with integrated optical fiberThis recording device contains 32 tungsten microwire electrodes and one optical fiber. The device can be used to record from multiple sites in the brain, as well as optically stimulate the neurons around these sites.Electrode array with integrated optical fiberEnlarge
Indirect pathway medium spiny neurons inhibit movement
Reinforcing effects of direct pathway stimulation