High-resolution multitransistor array recording of electrical field potentials in cultured brain slices.

  title={High-resolution multitransistor array recording of electrical field potentials in cultured brain slices.},
  author={Michael J. Hutzler and Armin Lambacher and Bj{\"o}rn Eversmann and Martin Jenkner and Roland Thewes and Peter Fromherz},
  journal={Journal of neurophysiology},
  volume={96 3},
We report on the recording of electrical activity in cultured hippocampal slices by a multitransistor array (MTA) with 16,384 elements. Time-resolved imaging is achieved with a resolution of 7.8 microm on an area of 1 mm2 at 2 kHz. A read-out of fewer elements allows an enhanced time resolution. Individual transistor signals are caused by local evoked field potentials. They agree with micropipette measurements in amplitude and shape. The spatial continuity of the records provides time-resolved… CONTINUE READING
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