Our sense of smell delivers important information to our brains, such as whether or not food is bad, or reminding us of a pleasant memory (crisp, fall air, anyone?). This fMRI-based study recorded PPG using a Photoplethysmograph Transducer for MRI connected to a PPG100C-MRI Amplifier. A differential pressure transducer continuously recorded variations in nostril airflow as various smells were pumped to subjects. Brain activity and PPG measurements recorded how subjects responded to different smells within the MRI environment. Read the full study: Sustained effects of pleasant and unpleasant smells on resting state brain activity (H. Carlson, J. Leitão, S. Delplanque, I. Cayeux, D. Sander, P. Vuilleumier)
Knowing a fetus’ vital statistics can literally save lives, but current noninvasive PPG measurements of a fetus are not very accurate, due to interference from the mother’s PPG signal. Researchers recorded a reference PPG with the BIOPAC Human Pulse Oximetry System and devised a method to separate maternal and infant signals for clear identification. Read the full study: QRS triggered averaging for superimposed PPG separation (M. Schubert, F. Samann, T. Schanze)
Establishing the triage order of multiple critically ill patients can save more lives when doctors work efficiently. A recent study tracked vital signs and measured (theoretical) exsanguination using a variety of external and internally located measuring devices. BIOPAC’s TSD270A transreflectance transducer and veterinary pulse oximeter tracked animal PPG on porcine test subjects. Read the full study: Enabling the assessment of trauma-induced hemorrhage via smart wearable systems (J. Zia, J. Kimball, C. Rolfes, J. Hahn, O. Inan)
Join BIOPAC to learn about Argus ETVision eye tracking glasses and how to integrate with AcqKnowledge software.
You will learn:
– How to optimize the glasses setup
– How to use the glasses for in-lab and mobile applications
– How to import and synchronize logged data from the glasses
– How to analyze the data using ETAnalysis
– How to create Moving and Live Areas of Interest
– How to extract eye tracking measurements in AcqKnowledge with physiological data
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Discovering and understanding what motivates humans to produce better results has intrigued many researchers. Many researchers have explored the psychophysiological processes that drive our behavior. Here are some recent studies that have used BIOPAC systems to research motivation… Motivation and Pleasure Deficits Undermine the Benefits of Social Affiliation in Psychosis. Blanchard, J. J., Smith, J. […]
Eye tracking technology has come a long way and has enabled researchers to conduct mobile experiments and track participants in real world scenarios. These featured studies demonstrate some of the use cases for mobile eye tracking technology. Here are some recent studies that have used BIOPAC systems for eye tracking research… Drivers’ gaze patterns when resuming […]
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