2
BIOPAC MP150 modules installed in ENU:
1. EDA100C (GSR) module
Measurement of skin conductance level as it varies with sweat gland activity due to stress, arousal or
emotional state.
2. RSP100C module
Measurement of respiratory effort via chest expansion.
3. Oxy-MRI-SpO2 module (Pulse Ox)
Measurement of heart rate and oxygen saturation in the blood.
The Pulse Ox is a separate device (Nonin Medical) and is connected to the BIOPAC MP150 system via a
HLT100C unit. The Pulse Ox is located in a different shelf on the equipment shelf than the central
component of the BIOPAC system.
4. ECG100C module
Measurement of electrical activity of the heart (ECG).
BIOPAC MP150 setup:
1. BIOPAC system is located on the equipment shelf in the control room.
2. BIOPAC software, Acknowledge 4.4, is installed on the Backup-PC computer (Assaf’s computer).
3. The modules: EDA100C (GSR), RSP and ECG have electrical cables that enter the magnet room via RF-
filters mounted on the penetration panel (see figure 1B, in red). The Pulse Ox module enters the
magnet room via an optic cable through a waveguide.
4. The system receives external trigger from the magnet through the response box in order to start the
collection of physiological data (number 1 in figure 1B).
The system can receive the stimuli from the experimental computer (Exp-PC) as a binary code by
setting the correct output in the experiment software (i.e E-Prime, presentation). The connection of
Exp-PC to MP150 is done via a dedicated unit- called STP100C with 8 digital channels using a LPT cable.
5.
Image and schematic setup of the
system are shown in Figures 1 and 2,
respectively.
Figure 1. BIOPAC MP150 System
(A) front panel (and (B) rare panel
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