A review on Performance of Various Types of Brain-Computer Interface

The interface between external systems and the brain with a direct communication path is called the brain-computer interface (BCI). BCIs serve the purpose of assisting, enhancing, or restoring human cognitive or sensorimotor functions. Control signals are generated based on specific characteristics of brain activity in BCI systems, and they can be used to direct different outputs. There are many neurological disorders that can be caused by a malfunction in the sensorimotor integration system. In numerous situations, such disorders are not treatable with traditional drugs or currently available therapeutic technologies. A (BCI) is a tool that allows the reintegration of the sensorimotor loop, providing direct access to brain information. In this article, we tried to explain about BCI users and the basic principles of BCI and a complete explanation of what BCI is and how it can make, ALS and LIS patients communicate with their surroundings. In the following, we discuss the types of BCI and the most important received signal, which is P300. And finally, three common BCI methods have been explained regarding signal acquisition and signal analysis, which is done in order to translate the signal.