Electrical Stimulation / Impedance Test with the Eckhorn Matrix
Electrical Stimulation / Impedance Test with the Eckhorn Matrix
The Eckhorn Matrix preamplifier is integrated in the microdrive chassis and has three operation modes: Recording / Electrode Impedance Test /Stimulation or Lesioning. The standard operation mode of the preamplifier is “Recording”. To use the other two modes Thomas RECORDING offers a special designed device that is called Mode Selection & Impedance Test Device (MSD).
Features
The MSD is available for 7-/16-Electrode Eckhorn Matrix systems.
Each MSD consist of a main device housed in a 19” rack mountable cabinet and a small control box.
The control box is connected between the Eckhorn microdrive preamplifier and the MSD rack mountable device (#1 in figure 1). A stimulus generator, which is optional available, can be connected to the control box. With the MSD one can switch the stimulus generator output to the stimulation or lesioning electrode of the Microdrive system. The MSD allows to measure the electrode impedance while the electrode is already in the brain or in a saline solution. This offers you the opportunity to check whether the electrode is already ok for recording.
Figure 1: Mode Selection & Impedance Test Device for 7- or 16-channel Eckhorn Systems (1)=MSD, (2)=Control Box
Questions? Please don’t hesitate contacting us!
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