Tag Archives: brain activity

Brain Computing at the Time of Decision-Making?

January 19, 2011
Posted in ALL, Computer Science
No Comments
Antonio Rangel, Computation and Neural Systems, California Institute of Technolog

Most organisms facing a choice between multiple stimuli will look repeatedly at them, presumably implementing a comparison process between the items’ values. Little is known about the exact nature of the comparison process in value-based decision-making, or about the role that the visual fixations play in this process. We propose a computational model in which […]

Feedback-Regulated Mental Imagery in BCI Applications: Using Non-Invasive EEG and NIRS Signals

July 26, 2010
Posted in ALL, Computer Science, Psychology
4 Comments

An important issue of brain-computer interface (BCI) development is to detect changes in brain signals that are related to specific intentions or thought processes. For example, mental motor imagery modulates the sensorimotor brain activity, and the detected changes can be used to operate a computer-controlled device. Clinical applications of this technology include the restoration of […]

An Efficient P300-based Brain-Computer Interface with Minimal Calibration Time

July 9, 2010
Posted in ALL, Computers
No Comments

Brain-Computer Interfaces (BCI) are communication systems that enable subjects to send commands to computers by using only their brain activity [1]. Most existing BCI are based on ElectroEncephaloGraphy (EEG) as the measure of brain activity [1]. So far, BCI have been proven to be very promising communication and control tools for disabled people [1]. A […]

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