<s>
An	O
electroneurogram	B-Algorithm
is	O
a	O
method	O
used	O
to	O
visualize	O
directly	O
recorded	O
electrical	O
activity	O
of	O
neurons	O
in	O
the	O
central	O
nervous	O
system	O
(	O
brain	O
,	O
spinal	O
cord	O
)	O
or	O
the	O
peripheral	O
nervous	O
system	O
(	O
nerves	O
,	O
ganglions	O
)	O
.	O
</s>
<s>
An	O
electroneurogram	B-Algorithm
is	O
similar	O
to	O
an	O
electromyogram	O
(	O
EMG	O
)	O
,	O
but	O
the	O
latter	O
is	O
used	O
to	O
visualize	O
muscular	O
activity	O
.	O
</s>
<s>
An	O
electroencephalogram	B-Application
(	O
EEG	B-Application
)	O
is	O
a	O
particular	O
type	O
of	O
electroneurogram	B-Algorithm
in	O
which	O
several	O
electrodes	O
are	O
placed	O
around	O
the	O
head	O
and	O
the	O
general	O
activity	O
of	O
the	O
brain	O
is	O
recorded	O
,	O
without	O
having	O
very	O
high	O
resolution	O
to	O
distinguish	O
between	O
the	O
activity	O
of	O
different	O
groups	O
of	O
neurons	O
.	O
</s>
<s>
An	O
electroneurogram	B-Algorithm
is	O
usually	O
obtained	O
by	O
placing	O
an	O
electrode	O
in	O
the	O
neural	O
tissue	O
.	O
</s>
<s>
Each	O
vertical	O
line	O
in	O
an	O
electroneurogram	B-Algorithm
represents	O
one	O
neuronal	O
action	B-Algorithm
potential	I-Algorithm
.	O
</s>
<s>
Depending	O
on	O
the	O
precision	O
of	O
the	O
electrode	O
used	O
to	O
record	O
neural	O
activity	O
,	O
an	O
electroneurogram	B-Algorithm
can	O
contain	O
the	O
activity	O
of	O
a	O
single	O
neuron	O
to	O
thousands	O
of	O
neurons	O
.	O
</s>
