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There are different setup to acquire the iEEG with the epileptic patients, using 2 different amplfiers: a clinical one and a reserch one
Characteristics of the amplifiers
Clinical amplifiers
Nicolet
This amplifier has been used from xxxx to xxxx in order to record macroelectrodes
- maximum number of channels :
- samplig rate : 400 Hz
- input range :
- bandpass
Micromed: SD LTM 64 BS
This amplifier is used since xxxx in order to record macroelectrodes.
- maximum number of channels : 128 - 2 boxes of 64 inputs each
- samplig rate : 1024 Hz
- input range : +/- 3.2 mV
- bandpass : 0.18 - 220 Hz
Research amplifiers
Neuralynx : Lynx
This amplifier has been used from xxxx to xxxx in order to record only microelectrodes
Neuralynx : ATLAS
This amplifier is used since October 2012 in order to record microelectrodes and macroelectrodes.
- maximum number of channels : 160
- samplig rate : flexible but set to 4kHz for the macroelectrdoes and 32 kHz for the microelectrodes
- input range : flexible but set to +/- 4mV
- bandpass : flexible but set to 0.1 - 1000 Hz for the macroelectrodes and 0.1 - 8000 Hz for the microelectrodes
Electrodes
Connectors
Acquisition setups
Clinical setup
Macro and micro electrodes separated
Macro and micro electrodes together, but 2 amplifiers in parallel
Macro and micro electrodes together, only 1 amplifier, using Neuralynx CHETs
Macro and micro electrodes together, only 1 amplifier, using AdTech connectors
This setup is the classical clinical setup, using the Microimed clinical amplifier in order to record only macroelectrodes. This system is used since xxx and was the only system available until xxxx.
Research system