<s>
NeuroKit	B-Library
(	O
"	O
nk	O
"	O
)	O
is	O
an	O
open	B-License
source	I-License
toolbox	O
for	O
physiological	O
signal	O
processing	O
.	O
</s>
<s>
The	O
most	O
recent	O
version	O
,	O
NeuroKit2	B-Library
,	O
is	O
written	O
in	O
Python	O
and	O
is	O
available	O
from	O
the	O
PyPI	B-Language
package	O
repository	O
.	O
</s>
<s>
NeuroKit2	B-Library
is	O
presented	O
as	O
one	O
of	O
the	O
most	O
popular	O
and	O
contributor-friendly	O
open-source	B-License
software	O
for	O
neurophysiology	O
based	O
on	O
the	O
number	O
of	O
downloads	O
,	O
the	O
number	O
of	O
contributors	O
,	O
and	O
other	O
GitHub	B-Application
metrics	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
NeuroKit	B-Library
was	O
created	O
as	O
a	O
PhD	O
side-project	O
of	O
Dominique	O
Makowski	O
in	O
2017	O
.	O
</s>
<s>
It	O
was	O
officially	O
deprecated	O
in	O
2020	O
and	O
has	O
been	O
replaced	O
by	O
the	O
current	O
version	O
,	O
NeuroKit2	B-Library
.	O
</s>
<s>
NeuroKit2	B-Library
includes	O
tools	O
to	O
work	O
with	O
cardiac	O
activity	O
from	O
electrocardiography	B-Application
(	O
ECG	B-Application
)	O
and	O
photoplethysmography	O
(	O
PPG	O
)	O
,	O
electrodermal	O
activity	O
(	O
EDA	O
)	O
,	O
respiratory	O
(	O
RSP	O
)	O
,	O
electromyography	O
(	O
EMG	O
)	O
,	O
and	O
electrooculography	O
(	O
EOG	O
)	O
signals	O
.	O
</s>
<s>
It	O
also	O
implements	O
a	O
variety	O
of	O
different	O
algorithms	O
to	O
detect	O
R-peaks	O
and	O
other	O
QRS	B-Algorithm
waves	I-Algorithm
,	O
including	O
an	O
efficient	O
in-house	O
R-peak	O
detector	O
.	O
</s>
<s>
For	O
neurophysiological	O
signals	O
such	O
as	O
EEG	B-Application
,	O
it	O
supports	O
microstates	B-Algorithm
and	O
frequency	O
band	O
analysis	O
.	O
</s>
