At both sites, SCR data were acquired on a BIOPAC MP150 Data Acquisition System using the EDA100C module with MECMRI-TRANS cable system (BIOPAC, USA). Data were acquired directly into BIOPAC AcqKnowledge 4.3 software at 2000 Hz (Arkansas site) or 1000 Hz (Wisconsin site). No online hardware or software filtering was applied. Two SCR electrodes (EL509, isotonic recording GEL 101) were placed on the medial portions of the thenar and hypothenar eminences of the left hand for recording and one electrode was placed on the ventral surface of the left wrist for ground.
Eda100c module
Manufactured by Biopac
Sourced in United States
The EDA100C module is a specialized hardware device designed for the assessment of electrodermal activity (EDA), also known as galvanic skin response (GSR). This module measures changes in the electrical conductance of the skin, which can be used to infer emotional and physiological states. The EDA100C provides the necessary circuitry and signal conditioning to acquire and process EDA data, making it a valuable tool for researchers and clinicians studying various psychological and physiological phenomena.
Automatically generated - may contain errors
Lab products found in correlation
Acqknowledge 4, by Biopac (1 mentions)
Mp150 data acquisition system, by Biopac (1 mentions)
Acqknowledge 3, by Biopac (1 mentions)
Ecg100c module, by Biopac (1 mentions)
Tsd203 model, by Biopac (1 mentions)
Mp150 system, by Biopac (1 mentions)
El508, by Biopac (1 mentions)
Mp150, by Biopac (1 mentions)
3 protocols using eda100c module
1
Skin Conductance Response Acquisition Protocol
2
Physiological Signal Acquisition and Analysis
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In the present study, signals were recorded with a Biopac MP‐150 system at 200 Hz sampling rate and fed into AcqKnowledge 3.9 software (BIOPAC Systems, Inc., Goleta, California, USA) for offline analysis. The SCR was acquired with two Ag/AgCl electrodes (TSD203 model; BIOPAC Systems) filled with isotonic hyposaturated conductant gel (GEL101 model; BIOPAC System), and attached to the distal phalanges of the second and third finger of the participant left hand. A Biopac EDA100C module was used to amplify the SCR signal (gain switch set to 5 μS/V, low pass to 35 Hz, high pass to DC). The ECG was acquired with three Ag/AgCl electrodes (EL503 model; BIOPAC Systems) filled with isotonic hyposaturated conductant gel (Lectron III Gel, NEUROSPEC). Electrodes were positioned in a modified bipolar lead I configuration, with the positive electrode placed on the participant's left wrist, the negative electrode on the right wrist, and the ground electrode attached just underneath the right clavicle. A Biopac ECG100C module was used to amplify ECG signals (gain switch set to 500, low pass to 35 Hz, high pass to 0.05 Hz).
3
Physiological Responses to Conditioned Stimuli
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Sixty percent of CS+ presentations co-terminated with a 50ms electro-dermal stimulation using two pre-gelled carbon snap electrodes attached to the right wrist (EL508, Biopac Systems, Inc.). Prior to scanning, stimulation strength was adjusted to individual tolerances following established procedures (LaBar et al., 1998) to ensure that stimulation was highly uncomfortable but not painful. Stimulation was administered using a STIMISOC isolator connected to a STM100C stimulator, which was attached to a MP150 (Biopac Systems, Inc.).
Skin conductance responses (SCRs) were sampled at 1kHz using pre-gelled carbon snap electrodes (EL508, Biopac Systems, Inc.) attached to the medial phalanges of the second and third digits of the left hand and connected to an EDA100C module attached to a MP150 (Biopac Systems, Inc.). SCRs were defined as the peak response of the low-pass filtered (0.1 Hz) electro-dermal activity occurring within 1-4s after the onset of the conditioned stimuli (Lockhardt, 1966) .
SCRs below 0.02 µS were excluded from the analysis.
Skin conductance responses (SCRs) were sampled at 1kHz using pre-gelled carbon snap electrodes (EL508, Biopac Systems, Inc.) attached to the medial phalanges of the second and third digits of the left hand and connected to an EDA100C module attached to a MP150 (Biopac Systems, Inc.). SCRs were defined as the peak response of the low-pass filtered (0.1 Hz) electro-dermal activity occurring within 1-4s after the onset of the conditioned stimuli (Lockhardt, 1966) .
SCRs below 0.02 µS were excluded from the analysis.
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