BCIs enable direct communication between the brain and external devices, bypassing traditional channels like muscles or nerves. They bridge the gap between the brain and technology, opening new possibilities across various fields. The technology combines signal processing and control systems to acquire, interpret neural signals, generate control signals, and operate devices.

2.  It is a technology that enables direct communication between the brain and
an external device, such as a computer or software, without using traditional
channels like muscles or nerves.
 BCIs bridge the gap between the brain and technology, enabling new
possibilities in various fields.
It is combination of signal processing & control system for acquisition of
neural signals followed by interpretation, generate control signals & operate
devices