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What is Biosignal ?

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The term โ€˜biosignalโ€™ is defined as any signal measured and monitored from a biological being, although it is commonly used to refer to an electrical biosignal. Electrical biosignals (bio-electrical signals) are the electrical currents generated by electrical potential differences across a tissue, organ or cell system like the nervous system.
Typical bio-electrical signals are ECG (Electrocardiogram), EMG (Electromyogram), EEG (Electroencephalogram) and EOG (Electrooculogram). GSR (Galvanic skin response) and HRV (Heart rate variability) are also thought of as bio-electrical signals, although they are not measured directly from electrical potential differences.

 

ECG (Electrocardiogram)

ecg signal

 

EEG (Electroencephalogram)

eeg signals

EMG (Electromyogram)

 

Biocapture-EMG

 

EOG (Electrooculogram)

Electrooculography

GSR (Galvanic skin response)

gsr

HRV (Heart rate variability)

heart rate variability

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