Novel device and method for achieving electroencephalogram signal collection
A technology of signal acquisition and electroencephalography, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as long sleep time, unstimulated skin of newborns, inconvenient wearing, use and removal of newborns, etc. Achieve the effect of no side effects, convenient use and removal, stable and reliable collection
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Embodiment 1
[0028] Such as Figure 1 to Figure 2 As shown, it is a novel EEG signal acquisition implementation device consistent with this embodiment, including:
[0029] The EEG electrode sheet 6 includes a foam layer 1, a PET film layer 2, a circuit layer 3, an insulating film layer 4 and an adhesive layer 6 from bottom to top, and several collection points are arranged on the circuit layer 3, And the shape of the foam layer 1, the PET film layer 2, and the insulating film layer 4 matches the circuit layer 3, and the gel layer is arranged on the insulating film layer 4, where The position is consistent with the position of the collection point, and contacts the wearer's skin through the gel layer;
[0030] The host computer is connected to the EEG electrode 6, and stimulates or cancels the stimulation to the wearer's brain area through the EEG electrode 6, causing potential changes in the brain area, and then obtains the EEG signal through superposition technology.
[0031] Preferably...
Embodiment 2
[0037] Such as figure 2 As shown, a method for realizing a novel electroencephalogram signal acquisition according to this embodiment includes the following steps:
[0038] S1: Attach the EEG electrode sheet 6 to the wearer's skin; the EEG electrode sheet 6 is preferably the EEG electrode sheet 6 described in Embodiment 1.
[0039] S2: Stimulate or withdraw stimulation to the wearer's brain area, causing potential changes in the brain area, and then obtain EEG signals through superposition technology.
[0040] Preferably, the step S2 specifically includes:
[0041] S21: apply repeated stimulation to the wearer;
[0042] S22: superimpose and average the EEG containing ERP generated by each stimulus;
[0043] S23: extracting the superimposed ERP from the background of the EEG to obtain an EEG signal.
[0044] Event related potential (ERP) generally refers to the potential change in the brain area when a specific stimulus is applied to the sensory system or a certain part of...
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