2) BCI MODEL
3) PRINCIPAL OF BCI
5) HOW DOES IT WORK?
6) WHAT IS AN EEG?
7) BCI RESEARCHES
8) BCI APPROACHES
12) PROJECTS& FUTURE
It is the study of brain functions.
A collaboration in which a brain accepts and controls a
Direct communication pathway between a brain and an
Thus BCI extracts electro-physical signals from suitable
components of the brain and process them to generate
control signals for computers, robotic machines or
(a) In healthy subjects, primary motor area
sends movement commands to muscles via
(b) But in paralyzed people this pathway is
(c) A Computer based decoder is used, which
translates this activity into commands for muscle control.
HANS BERGER was the one, completely
involved in this Brain-Computer Interface(BCI),
also called as Mind-Machine Interface’s(MMI)
In 1924, he was the first to record human brain
activity by means of EEG
EEG IS MEASUREMENT OF
PRODUCED BY BRAIN AS
ELECTRODES PLACED ON THE
Invasive Brain Computer Interfaces
-implanted directly into the brain and has the highest
-provide functionality to paralyzed people.
Partially Invasive Brain Computer Interfaces
-implanted inside the skull but outside the brain.
Non Invasive Brain Computer Interfaces
-gives a patient the ability to move muscle
implants and restore partial movement.
between human brain
2. Better LIVING, more
3. New work area for
scientists and researches
around the world.
4. LOW BANDWIDTH.
1. Virus attacks may
occur to brain
causing ill effects.
2. Requires extensive
3. BCI techniques are
4. Slow speed.
o BRAIN GATE
o HONDA ASIMO
o GAMING CONTROL
o BIONIC EYE
o Improving physical
methods for gathering
o Improving knowledge of
how to interpret waves.
T he sensor, which is implanted into
the brain, monitors brain activity in the
patient and converts the intention of the
user into computer commands.
Researchers have developed an
interface for Honda's Asimo
robot that allows individuals to
control it simply by thinking.
Gaming control using a wearable and wireless EEG-based
brain-computer interface device with novel dry foam-
A visual prosthesis, often referred to as
a bionic eye, is an experimental visual
device intended to restore functional vision
in those suffering from partial or total