All Products Applications Curriculum Knowledge Base Videos News Content
* CLEANING GUIDELINES * [Knowledge Base]

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…

116 – Hemodynamic Measurements – Part 2 [Application Note]

The Biopac Student Lab Pro software has many features that permit the user to perform a number of hemodynamic measurements, in addition to basic measurements, such as Systolic, Diastolic, Mean,…

118 – EMG Frequency Signal Analysis [Application Note]

Analysis of the EMG signal in the frequency domain involves measurements and parameters which describe specific aspects of the frequency spectrum of the signal. Parameters of the power density spectrum…

15 Questions [Page]

Top 15 Questions to ask before investing in a Data Acquisition System What are the physiological variables of research interest? What are the conditions in which physiological data will be…

169 – Speech Motor Control [Application Note]

This application note provides an analysis example that shows how the MP System (with MP150 or MP100) can be used to investigate processes of speech motor control in normal speech…

218 – Hardware API [Application Note]

The BIOPAC Hardware API gives software developers control over BIOPAC acquisition units. A Hardware API is available for MP160, MP150 & MP36R (Research Systems) or MP36 & MP35 (Education Systems, 4-channel units); not available…

251 – n-back for fNIR with AcqKnowledge [Application Note]

This application note describes the procedure and settings to record an n-back Task using the fNIR100 COBI software, then import it into AcqKnowledge, merge files, and perform ensemble averaging. Click…

277 – Transcranial Current Stimulation Using STMISOLA [Application Note]

Transcranial Current Stimulation is an electrical stimulation method, which employs a direct current of value typically between 1 and 2 milliamps (ma). This method is typically oriented to neuronal stimulation in…

280 – ETHUSB Communication – Mac OS X 10.7 or above [Application Note]

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…

282 – Subject Electrical Stimulation in fMRI and MRI [Application Note]

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…

292 – Interfacing with E-Prime® [Application Note]

AcqKnowledge and Biopac Student Lab both have mechanisms for acquiring and transmitting digital information. Psychology Software Tools, the authors of E-Prime®, refer to such signals as “digital triggers.” This application…

4T Human Physiology Conference [Page]

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…

A05 Visceral Smooth Muscle [Curriculum]

In the following experiments, you will study some of the physiological and pharmacological properties of visceral smooth muscle taken from the rabbit ileum. (The ileum is the last part of…

ABOUT BIOPAC [Corporate]

BIOPAC lets you measure physiology anywhere with innovative, compatible solutions that can be used by anyone for meaningful discovery. We make high-quality scientific tools for physiology measurement and interpretation with…

About License Keys [Knowledge Base]

AcqKnowledge software is distributed on a “USB key” and may include additional key(s) based on the MP Research System purchased, “Licensed Feature” add-ons, or site licenses included, if any. Key…

Accelerometer 2 G [Product]

This 2 G Tri-Axial Accelerometer high-level output transducer provide three outputs, simultaneously measuring acceleration along the X-, Y- and Z-axes.  TSD109A is optimal for ballistocardiography, stroke volume, respiration, sleep studies, restless…

Accelerometer 2 G (tri-axial) for MRI [Product]

This Tri-Axial ±2 G Accelerometer high-level output transducer is optimal for measuring ballistocardiography, stroke volume, respiration, restless leg syndrome, and bruxism; it can also be used as a feedback transducer…

AcqKnowledge 4.2 released [News]

AcqKnowledge software is an interactive, intuitive program that lets you instantly view, measure, analyze, and transform data. Perform complex data acquisition, triggering and analyses using simple pull-down menus and dialogs—no…

AcqKnowledge 5 Demo [Demo]

AcqKnowledge® 5 Demo AcqKnowledge Demo software introduces you to the power of AcqKnowledge 5 data acquisition and analysis software, and includes a wide variety of prerecorded sample data files for simulating live recordings. AcqKnowledge is a proven research tool…

AcqKnowledge iLok key lost or unavailable [Knowledge Base]

What can I do if I’ve lost my iLok key or left it at home? If you received and lost an iLok key for AcqKnowledge 4, submit a Support Ticket with…

AcqKnowledge Licenses [Page]

We hope you enjoyed your complimentary trial of AcqKnowledge Licensed Features. Now that your free trial has ended, AcqKnowledge software has reverted to the standard version of AcqKnowledge with any Licensed Features…

AcqKnowledge Licenses Trial [Page]

We hope you’ll take advantage of  this complimentary trial of AcqKnowledge Licensed Features to see how enhanced functionality can help in your studies. Your free trial period activates the following Licensed Features…

AcqKnowledge Software in Your Native Language [News]

AcqKnowledge 3.8.2 software is now available in the following languages in addition to English: Chinese Traditional Chinese Simplified French Italian Japanese Spanish Included with each MP System, AcqKnowledge software is…

AcqKnowledge Software Upgrade to current release [Product]

New Features and Enhancements Increase the Power & Flexibility of AcqKnowledge! This upgrade to the current release of AcqKnowledge adds the newest features and user interface enhancements for your data acquisition…

AcqKnowledge: Newest Features [Knowledge Base]

New Features and Enhancements Increase the Power & Flexibility of AcqKnowledge! AcqKnowledge software is included with each MP160 and MP36R System and some integrated systems; it can also be purchased separately. Check BIOPAC…

AcqKnowledge for Smart Center [Manual]

BioNomadix Smart Center is a small-form data acquisition unit and wireless receiver records simultaneous physiological data from up to three BioNomadix Transmitters. Smart Center offers a compact, all-in-one data acquisition…

Advantages of Laser Doppler Flowmetry [Advanced Feature]

Principally, Laser Doppler Flowmetry (LDF) makes use of the fact that when a coherent, low-powered laser illuminates tissue, light is scattered in static structures as well as in moving blood…

AFT11 Series coupler guide [Knowledge Base]

Pick the AFT11 Series Coupler that matches the port sizes you want to interface. tem 1 Dimensions Item 2 Dimensions BIOPAC Coupler 15 mm OD 22 mm ID AFT11B 20…

Alan Macy Honored as Local Hero [News]

“Alan Macy: Scientist, Entrepreneur, and Visionary Community Builder” The Santa Barbara Independent honored Alan Macy as a Local Hero. “What makes Macy a Santa Barbara Independent Local Hero is the combination of vision,…

Amplifier conversion – 2 mm to touchproof [Knowledge Base]

Use the CBL201 to convert older amplifiers that use 2 mm pin sockets to the newer 1.5 mm touchproof connectors. This is useful if you have an older amplifier with…

Animal Physiology and Intro Human Physiology [Discipline]

BSL Features The Biopac Student Lab Animal and Intro to Human Physiology Core Discipline package is part of the Biopac Student Lab (BSL) System and provides life science educators with…

Arbitrary waveform stimulation [Knowledge Base]

AcqKnowledge can play the digital representation of a signal in analog form through the two Analog Output ports (bottom left front face of the UIM100C or HLT100C).  The most flexible…

Artifact Rejection verification procedure [Knowledge Base]

When data acquisition is configured to acquire using “Averaging”, some signal amplitude excursions may need to be excluded during the averaging process. Artifact Rejection, available via a checkbox in the averaging setup, is…

Audio recording synchronization [Knowledge Base]

When performing some experiments, it may be desirable to link a recorded audio file to a recorded data file.  For instance, a subject may be speaking, listening to voice commands,…

Auditory (AER) and Visual Evoked Response (VER) Testing [Advanced Feature]

Combine the auditory output options of the Stimulator with the signal averaging functions of the MP System to perform online Auditory Evoked Response (AER) studies. Display the results and measure…

Auditory Evoked Response (AER) & Jewett Sequence [Advanced Feature]

To perform on-line AER studies, combine the auditory output options of the STM100C Stimulator with the signal averaging functions of the MP System. Present auditory stimuli directly via a tubephone…

Automated EDA Scoring Tutorial – Aug. 26 [News]

BIOPAC Automated Electrodermal Activity Scoring Measuring Behavior Conference Tutorial: Thursday, Aug. 26 at 10:00 a.m. In this tutorial, an introduction into the physiological basis for electrodermal activity (EDA) recordings will…