you need to use arrrays of photodiodes rather than CCD Camera. A normal
digitizing board for CCD usually operate in 30 or 60 Hz mode which requires
about 15 ms delay whereas action potential occur at the scale of 1 ms...
E-mail me if you are interested in some of the reference citations.
And if you found out a good system, I'll be interested in knowing.
Edwin R. Yeh < ery2 at po.cwru.edu > | Research Interests
Biomedical Engineering & Neurology |+ Neural Imaging and Metabolic Analysis
Case Western Reserve University |+ Ion Channels Based Neuron Modeling
Cleveland, OH 44106 |+ Applied Neural Control & Data Acquistion