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Deep breath and PPG signal flattening

Taking a deep breath and then holding it increases intrathoracic pressure (pressure inside the chest cavity), which compresses veins returning blood to the heart causing a temporary decrease in venous return and cardiac output, and in turn, peripheral circulation. The reverse occurs after releasing the breath after a deep inhalation.

Associated Applications

Associated Application Notes

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BioShirt wireless ECG and respiration

BioNomadix BioShirt

Smart shirt simultaneously acquires ECG and Respiration data while subjects roam freely The lightweight, comfortable BioNomadix BioShirt contains a respiration sensor and fabric electrodes to wirelessly record both respiration and ECG while ambulatory subjects move freely and perform tasks in short or long-term studies, in the lab, or in the real world. The shirt connects to a wireless BioNomadix BN-RSPEC Respiration […]

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Integrating Eye Tracking Data with Neuromarketing Parameters

Hardware and software packages from BIOPAC allow commercial consumer marketing teams to easily combine precise eye tracking data with physiological data recording. Here are a few notable studies recording physiology with eye tracking data: Predicting Advertising Success: While neurophysiological methods have become increasingly popular to better understand marketing phenomena among academics and practitioners, the success of […]

ECG Recording and Neuromarketing

BIOPAC ECG solutions have been used in several research studies, including many that pertain to consumer behavior or neuromarketing. We have collected a few notable articles recording ECG in consumer research: Impact of Malevolent Business Practices: With information on potentially suspect business practices more widely available than ever, it is important to understand what this […]

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