<s>
EEGLAB	B-Algorithm
is	O
a	O
MATLAB	B-Language
toolbox	O
distributed	O
under	O
the	O
free	O
BSD	B-Operating_System
license	O
for	O
processing	O
data	O
from	O
electroencephalography	B-Application
(	O
EEG	B-Application
)	O
,	O
magnetoencephalography	B-Algorithm
(	O
MEG	O
)	O
,	O
and	O
other	O
electrophysiological	O
signals	O
.	O
</s>
<s>
Along	O
with	O
all	O
the	O
basic	O
processing	O
tools	O
,	O
EEGLAB	B-Algorithm
implements	O
independent	B-Algorithm
component	I-Algorithm
analysis	I-Algorithm
(	O
ICA	O
)	O
,	O
time/frequency	O
analysis	O
,	O
artifact	O
rejection	O
,	O
and	O
several	O
modes	O
of	O
data	O
visualization	O
.	O
</s>
<s>
EEGLAB	B-Algorithm
allows	O
users	O
to	O
import	O
their	O
electrophysiological	O
data	O
in	O
about	O
20	O
binary	O
file	O
formats	O
,	O
preprocess	O
the	O
data	O
,	O
visualize	O
activity	O
in	O
single	O
trials	O
,	O
and	O
perform	O
ICA	O
.	O
</s>
<s>
Alternatively	O
,	O
ICA	O
components	O
representing	O
brain	B-Application
activity	I-Application
may	O
be	O
further	O
processed	O
and	O
analyzed	O
.	O
</s>
<s>
EEGLAB	B-Algorithm
also	O
allows	O
users	O
to	O
group	O
data	O
from	O
several	O
subjects	O
,	O
and	O
to	O
cluster	O
their	O
independent	O
components	O
.	O
</s>
<s>
In	O
1997	O
,	O
a	O
set	O
of	O
data	O
processing	O
functions	O
was	O
first	O
released	O
on	O
the	O
Internet	O
by	O
Scott	O
Makeig	O
in	O
the	O
Computational	O
Neurobiology	O
Laboratory	O
directed	O
by	O
Terry	O
Sejnowski	O
at	O
the	O
Salk	O
Institute	O
,	O
under	O
the	O
name	O
“	O
the	O
ICA/EEG	O
toolbox	O
”	O
.	O
</s>
<s>
In	O
2000	O
,	O
Arnaud	O
Delorme	O
designed	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
on	O
top	O
of	O
these	O
functions	O
along	O
with	O
some	O
of	O
his	O
own	O
artifact	O
removal	O
functions	O
,	O
and	O
released	O
the	O
first	O
version	O
of	O
the	O
“	O
EEGLAB	B-Algorithm
software	O
for	O
artifact	O
removal	O
”	O
.	O
</s>
<s>
In	O
2003	O
,	O
Delorme	O
and	O
Makeig	O
joined	O
efforts	O
to	O
release	O
the	O
first	O
stable	O
and	O
fully	O
documented	O
version	O
of	O
EEGLAB	B-Algorithm
.	O
</s>
<s>
In	O
2004	O
,	O
EEGLAB	B-Algorithm
was	O
awarded	O
funding	O
by	O
the	O
NIH	O
for	O
continued	O
development	O
of	O
research	O
software	O
.	O
</s>
<s>
EEGLAB	B-Algorithm
was	O
downloaded	O
about	O
25,000	O
times	O
from	O
73	O
countries	O
worldwide	O
in	O
its	O
first	O
three	O
years	O
(	O
2003	O
–	O
2006	O
)	O
and	O
in	O
2011	O
was	O
reported	O
to	O
be	O
the	O
most	O
widely	O
used	O
signal	O
processing	O
environment	O
for	O
processing	O
of	O
EEG	B-Application
data	O
by	O
cognitive	O
neuroscientists	O
(	O
)	O
.	O
</s>
<s>
EEGLAB	B-Algorithm
comprises	O
over	O
380	O
stand-alone	O
MATLAB	B-Language
functions	O
and	O
over	O
50,000	O
lines	O
of	O
code	O
and	O
hosts	O
over	O
20	O
user-contributed	O
plug-ins	O
.	O
</s>
<s>
DIPFIT	O
,	O
for	O
source	O
localization	O
of	O
ICA	O
component	O
sources	O
of	O
EEG	B-Application
data	O
;	O
</s>
<s>
,	O
a	O
fully	O
automated	O
,	O
unsupervised	O
method	O
for	O
processing	O
high	O
density	O
EEG	B-Application
data	O
;	O
</s>
<s>
,	O
an	O
extensive	O
environment	O
for	O
building	O
and	O
testing	O
brain	B-Application
–	I-Application
computer	I-Application
interface	I-Application
models	O
;	O
</s>
