Biological signals play an important role in providing correct motion intention of the users to the assitive robots. What roles will play by EEG and FNIRS when they used as a method to grasp the motion intention, individually and as a combination. Please comment your views.
I think the rolle of EEG is very litlle, because the EEG signs are only general consequence of many electrophysioogical interaction in the brain and in the brainstem.
I think EEG is nowadays much more robust then fNRIS. EEG is extensively used in BCI appliacations. For sure that EEG will take place in this topic of robotics!
The answer really depends on the time horizon that you want to consider. I would say that within the next 5-10 years, minimally, surface brain recordings will continue to play pretty limited roles. Among the issues that continue to plague these technologies are both spatial and temporal sampling/resolution issues - especially given the problems of the skull and brain as, essentially, large biological volume conductors. The amount of computational effort required to clean up and de-mix source signals means that real-time applications will continue to be very limited. Mostly, one can expect only very general and non-specific metrics to be most useful for near-term real-time systems (basic spectral power and simple event-related measures are most likely to continue to hold their place as mainstays). Over longer time horizons, of course, computational methods will become more efficient both in formulation as well as in researchers and developers learning what information is NOT needed to be processed. Improvements in hardware/firmware/etc also will continue to provide better opportunities for real-time applications. However, the final hurdle of understanding exactly what information is contained within these types of neural measures is going to unfold over a much, much longer time course. I personally think that the highest payoff areas will continue to be the monitoring of much lower-dimensional signals of peripheral psychophysiology for some time to come . . . and, let's face it, there is no Tony Stark and Iron Man is not coming in any near future that I can see . . .
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