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Light_artifacts

Andy Peters edited this page May 13, 2018 · 2 revisions
  • Light artifacts are dramatically reduced by ramping light instead of square-wave light pulses (1 ms ramp time is sufficient, this requires a DAQ samplerate of ~40 kHz)
  • Orienting the electrode sites TOWARDS the light (circuit boards facing down, because the probe is mounted upside-down relative to the headstage) reduces the light artifact
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