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
setup #1: Clinical setup
setup #2: Macro and micro electrodes separated
setup #3: Macro and micro electrodes together, but 2 amplifiers in parallel
setup #4: Macro and micro electrodes together, only 1 amplifier, using Neuralynx CHETs
setup #5: Macro and micro electrodes together, only 1 amplifier, using AdTech connectors