A handy EEG+STIM device that can record brain waves and output stimulation.
The QUEST processor series includes the 【QUEST HD】 and 【QUEST HD+STIM】. Both models come in 64-channel and 512-channel versions, and each can connect front-end channels with either 32-channel or 128-channel models, so the minimum recording count starts from 32 channels. The 64-channel QUEST processor can connect up to 2 front-ends, while the 512-channel QUEST processor can connect up to 16 front-ends (32-channel model front-ends). Stimulus output and EEG recording can be switched on the same pin of each front-end. The interval required to switch between stimulus output and EEG recording is 33μSec. For example, it is possible to send a stimulus to pin 3 and then pick up EEG from the same pin 3 after 33μSec.
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basic information
【Specifications of EEG Recording Unit】 ● Resolution: 24-bit ● Common Mode Rejection Ratio: -110dB ● Sampling Rate: 7.5ksps ● Input Range (Minimum): ± 0.1875 V, gain of 24 ● Input Range (Maximum): ± 2 V, gain of 1 ● Input Impedance: 1 GΩ, 20 pF ● Frequency Band: DC to 3kHz 【Specifications of Current Stimulation Unit】 ● Waveform: tDCS, tPCS, tACS, tRCS, User Custom ● Current Range: 100μA - 15mA ● Compliance Voltage: ±9V - ±30 V ● Pulse Interval: 33.3µs ● Frequency: DC - 15kHz
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Applications/Examples of results
Stimulus output and EEG recording
Company information
We handle various biometric measurement devices to understand human physiological, psychological, and physical characteristics. We provide support from pre-introduction consulting to operational support and maintenance across research areas such as brain function, psychology, ergonomics, and biomedical engineering, as well as in development areas like product usability evaluation. The improvement of productivity due to the aging society and the decrease in the working population is a significant social issue we face today. In Society 5.0 (the creative society), a digital transformation towards a human-centered super-smart society that highly integrates cyberspace and physical space is required. Through the digitization of various biometric information, we are assisting human society in moving towards the next stage.
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