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Comment by apl

While interesting (especially from a funding perspective!), most of these approaches aren't quite as ground-breaking as one might think. Neuroscientists in academia are doing most of these things. For optogenetics, see Deisseroth's work; for in vivo Ca2+ imaging in nematodes, refer to the work of Bargmann as well as the various Witesides collaborations involving microfluidics; pan-neuronal in vivo imaging is currently being pioneered by Engert at Harvard and a couple of Janelia Farm labs.

These are massive efforts, and involve horrendous heaps of diligent busywork. This makes me the boring naysayer, but please don't be distracted by the startup-like appearance and the peculiar financing situation. It's possible but unlikely that the major obstacle here is simply the combination of available techniques!

Honestly, what I'm most curious about are his thoughts on model-driven interrogation of an in vivo system -- biologists, and even computational neuroscientists, are a bit too hesitant when it comes to letting computers find and test hypotheses. In the age of highly advanced genetic techniques (e.g., binary expression systems in Drosophila or zebrafish) and 2-photon imaging, the process of actually evaluating hypotheses has become a bit old-fashioned...

parent apl 13 years ago

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