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.
Tsd201 respiration transducer respiration belt
Manufactured by Biopac
The TSD201 respiration transducer is a device designed to measure respiratory activity. It functions as a respiration belt that can be worn around the chest or abdomen to detect changes in body volume associated with breathing. The TSD201 converts these volume changes into an electrical signal, which can be recorded and analyzed using compatible data acquisition systems.
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2 protocols using tsd201 respiration transducer respiration belt
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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