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Pleasure detection by online brain-computer interface
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DOI：10.1016/j.measurement.2010.09.034.png)
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This paper seeks to elucidate the design and implementation of an instrumentation amplifier, filters, LabVIEW-based spike detection, and automatic spike counting to detect pleasure sensation in the rat using invasive BCI. This method involved sites related to pleasure, and after acquiring signals from the ventral pallidum, facial motor cortex, and orbitofrontal cortex, these signals were analyzed to assess the pleasure sensation in the rat. The results illustrated a decreased spike rate in the motor and orbitofrontal cortices and an increased spike rate in the ventral pallidum during pleasure. The pleasure detection experiment was conducted four times to obtain the mean values of spike rates. The motor cortex had 9 spikes/s, the orbitofrontal cortex had 18 spikes/s and the ventral pallidum had 34 spikes/s. The correlation coefficient is above 78%, effectiveness of the experiment. (C) 2010 Elsevier Ltd. All rights reserved.
Keyword:
Pleasure detection
Neural amplifier
Neural spikes
Brain-computer interface
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5.6
论文数:
2.1W
被引数:
5.4W
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