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* 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…

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120 – X/Y Loop Area Analysis [Application Note]

This application note covers manual area calculations of X/Y Loops. For completely automated Pressure-Volume Loop Recording and Analysis, including per-loop and statistical measures, see the new AcqKnowledge 4.3 Pressure-Volume Loop Analysis Package.…

196 – Cardiac Output Measurement – EBI100C [Application Note]

Cardiac Output can be determined, noninvasively, by employing electrical bio-impedance measurement techniques. Electrical bio-impedance is simply the characteristic impedance of a volume of tissue and fluid. In the case of…

215 – Noninvasive Cardiac Ouput – NICO100C [Application Note]

Cardiac Output can be noninvasively determined by employing electrical bioimpedance measurement techniques. Electrical bioimpedance is simply the characteristic impedance of a volume of tissue and fluid. In the case of…

AcqKnowledge 4 released with over 100 new features [News]

Scoring and automation tools included in the new AcqKnowledge 4 software help you standardize your analysis protocol and eliminate subjectivity. AcqKnowledge 4 is not a locked system so you can…

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…

Biomechanics [Application]

Use BIOPAC equipment for gait analysis, goniometry, ergonomics evaluation, range of motion, EMG, Remote Monitoring or to interface with third-party equipment.

BIOPAC Launches Fully Redesigned Website [News]

Goleta, Calif—Data acquisition and analysis with BIOPAC systems just got even easier. BIOPAC Systems, Inc., has launched a completely redesigned website, www.biopac.com, allowing researchers and educators a faster, simpler way…

Education-FR [Page]

Biopac Student Lab—“The Gold Standard” pour l’enseignement des sciences de la vie Pour les enseignants qui ont besoin d’une solution rapide et facile à mettre en œuvre, qui souhaitent accroître…

EMG – underwater measures [Knowledge Base]

Comparison and reproducibility of sEMG during manual muscle testing on land and in water Journal of Electromyography and Kinesiology 21 (2011) 95–101 W. Matthew Silversa,*, Dennis G. Dolnyba Exercise Science,…

EMG: Electromyography [Application]

Record surface, needle, and fine wire EMG—or wireless EMG with BioNomadix. Use real-time integration tools for immediate analysis or use automated EMG analysis routines.

EMG: Electromyography Citation List [Page]

BIOPAC data acquisition and analysis solutions have been validated in over published  scientific studies and papers world-wide, including more than citations for EMG applications. SPOTLIGHT CITATION Cale Chaltron, David A. Sherman, Derek…

Eye Tracking [Advanced Feature]

Add Eye Tracking to gather meaningful insights on attention and decision making. BIOPAC offers an array of eye tracking systems that are easily integrated with a VR system. VIRTUAL REALITY…

FaceReader Facial Expression Classifier [Video]

FaceReader is the premier professional software for automatic analysis of six basic facial expressions (happy, sad, scared, disgusted, surprised, and angry), as well as classifying neutral and now contempt. FaceReader also…

fNIR for Muscle Oxygenation [Advanced Feature]

Record microvascular oxygenation during muscle activation Sample Data download → fNIR_EMG.zip (extract biceps_EMG_fnir_demo.acq) Using functional Near Infrared (fNIR) to study muscle function can provide greater understanding of the underlying control mechanisms that couple…

Full Body Plethysmograph Penh [Advanced Feature]

The AcqKnowledge® Full Body Plethysmograph – Penh analysis is part of a suite of three automated respiration routines. The other two are Compliance and Resistance and Pulmonary Air Flow. Each routine…

H-Reflex Methodology [Advanced Feature]

The Hoffmann reflex (H-reflex) is an electrically induced reflex that bypasses the muscle spindle. H-reflex is a useful measure to assess modulation of monosynaptic reflex activity in the spinal cord.…

H08 Dive Reflex [Curriculum]

Follow the procedure on this site to record and measure change in heart rate (ECG) from a human after immersing in cold water.  Next, design an experiement to identify the…

Measuring Blood Pressure & Advanced Hemodynamic Parameters [Video]

Learn about the NIBP10OD-HD System for continuous noninvasive blood pressure with hemodynamic measures. -VALIDATED AND PROVEN Continuity, accuracy & waveform dynamics are equivalent to intraarterial measurement; proven solution for consistent,…

New Citations | BIOPAC in Mobile Research [News]

Mobile, wearable technology enables physiology researchers to gather real-time data in the real world. Take a look at this month’s citations on mobile studies and learn how to apply wireless,…

New Citations | BIOPAC in Stimulus Presentation Studies [News]

BIOPAC provides software and hardware that allows research teams to study stimulus presentation data. Here are a few notable studies using BIOPAC equipment for research on stimuli’s effects using ECG and SCL data. Your…

New Citations | BIOPAC in VR Studies [News]

Virtual reality has expanded research capabilities, providing researchers with the ability to simulate situations and environments they wouldn’t otherwise have access to. Read these recent studies that utilized virtual reality…

New Citations | The secret is always exercise! [News]

Recent Exercise Physiology studies feature BIOPAC’s MP Research series of Data Collection recorders and AcqKnowledge software. These studies promote healthy living and observe muscle response to normal physiological motions during…

New Small Animal Pulse Oximetry System for MRI [News]

Complete system for small animal SpO2 measurements in an MRI Works on conscious or anesthetized subjects Patented sensor supports heart rates in the range of 90-900 BPM Works with neonatal mice up…

Psychophysiology [Application]

Record and analyze BP, ECG, HRV, EDA, EMG, EEG, EOG, RSP, etc. Interface to stimulus presentation programs...use automated analysis routines to easily score and analyze data.

Pulmonary Air Flow Analysis [Advanced Feature]

The Pulmonary Air Flow analysis is part of a suite of three automated respiration routines that are included in AcqKnowledge®. The other two are Compliance and Resistance and Full Body…

Temp., Liquid immersion, BSL [Product]

Use this stainless steel liquid immersion probe for dry or wet bath temperature measurements. Response time: 3.6 sec Max operating temp: 60° C Accuracy & Interchangeability: ±0.2° C Compatibility: YSI(r)…

VizMove PRISM Enhanced Simulation Training Rooms [Video]

PRISM is an enhanced, immersive, simulation theater. It is an integration of wrap-around visualizations, surround sound, controllable lighting, and content interaction. Available as single, dual, triple, or quad configurations. Immerse participants…

VR – Fear of Flying [Advanced Feature]

In this demo, the participant is seated in an airplane and experiences normal flight, turbulence, and landing. Tactile feedback is employed to increase the experience of presence. Usage Guidelines This…

VR – Iowa Gambling Task [Advanced Feature]

In this demo, participants follow the Iowa Gambling Task, a classic experiment in which participants choose between decks of cards with different payoffs. The skin conductance response before and after…

VR – Vizard VR Toolkit [Advanced Feature]

The Vizard VR Toolkit (developer edition)  is included in all workstations Use the VR Toolkit virtual reality interface software with your BIOPAC data acquisition and analysis system to synchronize events from…

VR | Unity VR Interface for AcqKnowledge [Video]

Immerse your users and capture biofeedback for analysis! Use Unity® Interface for AcqKnowledge®  (UNITY-INTERFACE ) to easily connect Unity3D projects with BIOPAC acquisition hardware and analysis software. Create virtual environments using…