Anibal Cotrina

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Recent decades have seen BCI applications as a novel and promising new channel of communication, control and entertainment for disabled and healthy people. However, BCI technology can be prone to errors due to the basic emotional state of the user: the performance of reactive and active BCIs decrease when user becomes stressed or bored, for example.(More)
In optical systems, the range of distance near the point of focus where objects are perceived sharp is referred as depth-of-field; objects outside this region are defocused and blurred. Furthermore, ophthalmology studies state that the amplitude and the latency of visual evoked potentials are affected by defocusing. In this context, this paper evaluates a(More)
— Brain-computer interface (BCI) provides a direct connection between the user's brain signals and a computer, generating an alternative channel of communication that does not involve the traditional way as muscles and nerves. Recent decades have seen BCI applications as a novel and promising new channel of communication, control and entertainment for(More)
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