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Brain-Computer Interfaces (BCIs) are a major technological breakthrough. These systems were first developed mostly for clinical purposes and their usage was limited to specific patient populations. Consequently, BCI technology and applications were quite expensive. In recent years this technology has become increasingly low-cost while maintaining suitable performances, making it available to the general population. Consequently, novel applications are sprouting. In this paper we present a simple and low-cost BCI application, which uses two off-the-shelf items: Neurosky Mindband, a novel consumer-electronics BCI, and Lego Mindstorms NXT, a robotic system based on Lego bricks. These two devices were bridged with Matlab. By using brainwave-related “Attention” and “Meditation” values, two-dimensional control of the robotic system was achieved: the Lego robot was able to move forwards and to the left/right, and was positively evaluated by 8 healthy subjects. Due to its low-cost and simple set-up and usage we believe that this application could be used not only for entertainment but also for paving the way for simple control of motorized devices by the elderly and patients with motor impairments.
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