We present a low-cost method to design and construct a light headstage pre-amplifier system with simultaneous neural recording and stimulation capability. This device can be waterproofed for use in swimming animals.
Shirvalkar, P. R., Shapiro, M. L. Design and Construction of a Cost Effective Headstage for Simultaneous Neural Stimulation and Recording in the Water Maze. J. Vis. Exp. (44), e2155, doi:10.3791/2155 (2010).