Systemic physiological changes and head motions of the subjects were simultaneously recorded along with the fNIRS data. An MP160 data acquisition and analysis system was used to record auxiliary physiological changes (BIOPAC Systems Inc., Goleta, CA). The pulse waveform was recorded using a PPG100C amplifier and TSD200 Photo Plethysmogram (PPG) pulse transducer placed on the subject’s right index finger (BIOPAC Systems Inc., Goleta, CA). Respiration data was collected via measuring the abdominal (or thoracic) expansion and contraction using a RSP100C amplifier and a TSD201 respiration transducer (respiration belt) (BIOPAC Systems Inc., Goleta, CA) around the subject’s chest. The blood pressure waveform was recorded using a DA100C amplifier and a TSD110 pressure transducer (BIOPAC Systems Inc., Goleta, CA) placed on the subject’s right thumb. Head motions in x, y, z directions were collected using an accelerometer (ADXL335, Analog Devices Inc., Norwood, MA) secured on the head with a headband. Respiration, blood pressure waveform, PPG and accelerometer data were simultaneously acquired at 50 Hz throughout the experiment.
Tsd200 photo plethysmogram ppg pulse transducer
Manufactured by Biopac
The TSD200 Photo Plethysmogram (PPG) pulse transducer is a device designed to detect and measure changes in blood volume within tissue. It operates by emitting and detecting light, which is then used to generate a waveform that corresponds to the user's pulse. This transducer is a core component for physiological monitoring and research applications.
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2 protocols using tsd200 photo plethysmogram ppg pulse transducer
1
Multimodal Physiological Monitoring in fNIRS Research
2
Multimodal Physiological Monitoring in fNIRS Research
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Systemic physiological changes and head motions of the subjects were simultaneously recorded along with the fNIRS data. An MP160 data acquisition and analysis system was used to record auxiliary physiological changes (BIOPAC Systems Inc., Goleta, CA). The pulse waveform was recorded using a PPG100C amplifier and TSD200 Photo Plethysmogram (PPG) pulse transducer placed on the subject’s right index finger (BIOPAC Systems Inc., Goleta, CA). Respiration data was collected via measuring the abdominal (or thoracic) expansion and contraction using a RSP100C amplifier and a TSD201 respiration transducer (respiration belt) (BIOPAC Systems Inc., Goleta, CA) around the subject’s chest. The blood pressure waveform was recorded using a DA100C amplifier and a TSD110 pressure transducer (BIOPAC Systems Inc., Goleta, CA) placed on the subject’s right thumb. Head motions in x, y, z directions were collected using an accelerometer (ADXL335, Analog Devices Inc., Norwood, MA) secured on the head with a headband. Respiration, blood pressure waveform, PPG and accelerometer data were simultaneously acquired at 50 Hz throughout the experiment.
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