External Cleaning / Disinfecting Instructions For any BIOPAC Systems data acquisition, amplifier, or accessory module: To clean the surface of the module: wipe lightly with a dry, lint-free cloth, or…
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The best time to ensure you are getting good data is before you’ve run participants through your study! “Best practice” is influenced by signal type, equipment, protocol, and participants. Whether you’re…
CBLCAL is a device used to check the accuracy of BIOPAC biopotential amplifiers. CBLCAL stands for cable calibration and is used to calibrate EMG, EOG, EEG, ECG, and ERS amplifiers.…
An electrocardiogram (ECG) is a graphic recording of the changes occurring in the electrical potentials between different sites on the skin (leads) as a result of cardiac activity. Depolarization of…
Offset refers to the zero point or baseline of a signal. BIOPAC biopotential amplifiers (including the DA100) are preset at the factor to Offset 0. When recording in AC mode,…
The TSD107B* pneumotach is a highly linear, wide range, airflow transducer. Using the TSD107B and a DA100C amplifier, with the MP150/100 and AcqKnowledge, the user can perform a variety of…
To record a continuous 12-lead ECG, use a WT100C Wilson Terminal to create a virtual reference electrode when measuring the transverse plane (i.e., precordial) ECG components [V1, V2, V3, V4,…
AcqKnowledge can be used to obtain the power spectrum of any time domain waveform. The power spectrum indicates the power of each frequency component of the source time domain waveform.…
The TEL100C-RF remote monitoring system can monitor a wide range of physiological activity, including ECG, EOG, EEG, GSR, SKT, PPG, RSP, and surface EMG. Specialized signal processing of physiologic variables…
This application note explains statistical measures and geometric measures in heart rate variability studies. See also Application Note 233: HRV – Preparing Data for Analysis for details on recording good…
The SS11LA can be used to measure respiratory flow over a wide range of subjects and conditions. The SS11LA includes an optically clear detachable flow head (RX117) for easy cleaning and…
The TSD117 can be used to measure respiratory flow over a wide range of subjects and conditions. The TSD117 includes an optically clear detachable flow head (RX117) for easy cleaning…
Tri-axial accelerometers are high-level output transducers requiring no additional amplification since the amplifier is built into the transducer. They connect directly to the MP3X unit of the Biopac Student Lab…
Tri-axial accelerometers are high-level output transducers requiring no additional amplification since the amplifier is built into the transducer. They provide three outputs, each simultaneously measuring acceleration in the X, Y,…
The AcqKnowledge Rate Detector is critical to the ability of AcqKnowledge to extract information from physiological data that has a degree of periodicity. Physiological data which can be investigated using…
ECG Analysis An electrocardiogram (ECG) is a graphical recording of the changes occurring in the electrical potentials between different sites on the skin as a result of cardiac activity. The…
An electrocardiogram (ECG) is a graphical recording of the changes occurring in the electrical potentials between different sites on the skin as a result of cardiac activity. The electrical activity…
The SS29L Multi-Lead ECG Cable permits high-resolution multi-lead ECG recordings. The lead configuration allows the user to simultaneously record Leads I, II, III, aVR, aVL, aVF, plus one precordial chest…
For years, cardiologists examined paper charts of ECG signals to create an averaged ECG complex. They took each individual cardiac cycle, measured each part of the complex with a ruler,…
Signals from transducer catheters are suitable for high-fidelity pressure monitoring with high-frequency response data acquisition systems such as the MP Research System (using MP150 or MP100 unit), and are therefore…
This application note explains how to record electrodermal activity (EDA/GSR) and observe electrodermal response (EDR) changes with the EDA100C Electrodermal Activity amplifier, GSR100C Galvanic Skin Response amplifier, or TEL100C telemetry…
The MCE100C micro-electrode amplifier module is useful for a wide range of physiological recording applications that require the use of micro-electrodes, such as cellular single channel analysis. Micro-electrodes, due to…
This application note guides you through the analysis process only, based on the following signals: ECG, Zo and dZ/dt. It is not intended to assist in the acquisition process. See…
To record a continuous 12-lead ECG, use a WT100C Wilson Terminal to create a virtual reference electrode when measuring the transverse plane (i.e., precordial) ECG components [V1, V2, V3, V4,…
Generally considered, if the transducer is able to be used in the MRI (see BIOPAC MRI Use declarations), the transducer signal can be relatively easily recorded during an MRI scan (an MRI…
For Magnetic Resonance Imaging (MRI) applications, it can be important to collect auxiliary physiological data in conjunction with the Nuclear Magnetic Resonance (NMR) image data. This auxiliary data includes physiological…
This Application Note explains how to optimize ECG R-R interval data for Heart Rate Variability studies by using a template matching approach. It also explains how to identify erroneous R-R…
This application note is concerned with the recording of Zygomaticus measures using a pressure pad transducer vs. EMG electrodes during MRI or fMRI investigations. With some MRI protocols, especially those…
This application note is concerned with the recording of real-time EMG during a fMRI investigation. The following BIOPAC products were used for this measurement: MP150WSW data acquisition system with AcqKnowledge…
This application note is concerned with the recording of real-time ECG during a fMRI investigation. The following BIOPAC products were used for this measurement: MP150WSW data acquisition system with AcqKnowledge®…
This application note is concerned with the gated analysis approach to analyze nearly any kind of data in the MRI. An example using EMG data is shown.
The DTU200 Dual Channel Gating System extracts timing information from cardiac and respiratory signals to trigger MRI acquisitions.
BIOPAC Basic Scripting Customize – Acquisition setup and analysis Automate – Acquisitions and perform batched analysis Simplify – Add dialogs and prompts to assist users Expedite – Reduce analysis time…
This application note is concerned with the recording of real-time physiological data, from a human subject, during fMRI, using BIOPAC’s series of MRI Smart Amplifiers: ECG Electrocardiogram Amplifier for MRI…
This application note is concerned with the possibility of performing high-resolution ECG measurements in the MRI, during EPI. High-resolution ECG recordings are possible in the noisy MRI environment if signal…
This application note lays out some generally recommended methods for recording data from subjects in the MRI or fMRI. BIOPAC Systems, Inc. (BIOPAC) designs systems that can be used to…
ECG waveforms can be “scrubbed” of MRI artifact with the judicious application of hardware and software tools. However, even with specialized hardware filtering (as with the MRI-specific amplifiers), some residual…
This application note examines a conventional equipment setup for metabolic measurements. The setup is exposed to a propane-based, combustion verification source that emulates subject’s steady-state consumption of oxygen and production…
Synchronized video coupled to simultaneously recorded physiological variables can help lead to better understanding of test results. AcqKnowledge 4.1 or above for Windows provides the ability to record a video…
This application note details hardware and software setup to synchronize a B-Alert System with an MP150 System running on two separate computers. Basic Overview Connect the 3.5 mm phone jack…
This Application Note describes how to record percent End-Tidal CO2 (% ETCO2) using a BIOPAC CO2100C Carbon Dioxide Amplifier. The note details subject interface options for high flow without a…
This application note addresses EDA and ECG measurements performed in a Siemens 7T fMRI. BIOPAC MRI Smart Amplifiers were used to record ECG LEADII and EDA from the fingertips. Standard…
The following is a brief overview of the steps to verify that the USBETH is installed correctly—for more detailed instructions, see the PDF. Depending on when ETHUSB was purchased, it may have…
This application note is concerned with the nature of ECG100C and ECG100C-MRI timing delays. In particular, the focus is on ECG data collected in fMRI or MRI for the express…
This application note is concerned with the implementation of subject electrical stimulation in the fMRI and MRI for the purposes of psychophysiological research. The setup presented physically limits the stimulation…
This application note is concerned with the relationship between fMRI imaging sequences and associated physiological measurements, when subjects are monitored in the fMRI. In particular, this note addresses the impact…
This Application Note demonstrates how to sample and display calculation channel data through external devices such as LED’s or 7-segment displays via UIM100C digital output ports. In this exercise, BPM…
Blood Flow Measurements using the NICO100D This application note discusses Trans-Radial-Ulnar Electrical bioimpedance Velocimetry (TRUEV); measurements and analysis; the configuration discussed interrogates both the radial and ulnar (TREV >> TRUEV)…
This conference has ended – was July 24-26, 2017 Learn from Leading Researchers How to Record and Analyze Human Physiology Data Join your colleagues in Santa Barbara to meet with…
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