<s>
In	O
neuroscience	O
,	O
the	O
lateralized	B-Algorithm
readiness	I-Algorithm
potential	I-Algorithm
(	O
LRP	O
)	O
is	O
an	O
event-related	B-Algorithm
brain	I-Algorithm
potential	I-Algorithm
,	O
or	O
increase	O
in	O
electrical	O
activity	O
at	O
the	O
surface	O
of	O
the	O
brain	O
,	O
that	O
is	O
thought	O
to	O
reflect	O
the	O
preparation	O
of	O
motor	O
activity	O
on	O
a	O
certain	O
side	O
of	O
the	O
body	O
;	O
in	O
other	O
words	O
,	O
it	O
is	O
a	O
spike	O
in	O
the	O
electrical	O
activity	O
of	O
the	O
brain	O
that	O
happens	O
when	O
a	O
person	O
gets	O
ready	O
to	O
move	O
one	O
arm	O
,	O
leg	O
,	O
or	O
foot	O
.	O
</s>
<s>
It	O
is	O
a	O
special	O
form	O
of	O
bereitschaftspotential	B-Algorithm
(	O
a	O
general	O
pre-motor	B-Algorithm
potential	I-Algorithm
)	O
.	O
</s>
<s>
LRPs	O
are	O
recorded	O
using	O
electroencephalography	B-Application
(	O
EEG	B-Application
)	O
and	O
have	O
numerous	O
applications	O
in	O
cognitive	O
neuroscience	O
.	O
</s>
<s>
Kornhuber	O
and	O
Deecke	O
's	O
discovery	O
of	O
the	O
Bereitschaftspotential	B-Algorithm
(	O
German	O
for	O
readiness	B-Algorithm
potential	I-Algorithm
)	O
led	O
to	O
research	O
on	O
the	O
now	O
extensively	O
used	O
LRP	O
,	O
which	O
has	O
often	O
been	O
investigated	O
in	O
the	O
context	O
of	O
the	O
mental	O
chronometry	O
paradigm	O
.	O
</s>
<s>
Part	O
of	O
this	O
preparation	O
includes	O
a	O
slow	O
negative	O
wave	O
bilaterally	O
distributed	O
over	O
pre	O
-	O
and	O
post-central	O
sites	O
,	O
the	O
readiness	B-Algorithm
potential	I-Algorithm
.	O
</s>
<s>
Vaughan	O
,	O
Costa	O
,	O
and	O
Ritter	O
(	O
1968	O
)	O
noted	O
that	O
the	O
readiness	B-Algorithm
potential	I-Algorithm
was	O
larger	O
contralateral	O
to	O
the	O
side	O
of	O
the	O
body	O
where	O
the	O
muscle	O
contraction	O
occurred	O
.	O
</s>
<s>
That	O
the	O
lateralized	O
aspect	O
of	O
the	O
readiness	B-Algorithm
potential	I-Algorithm
in	O
general	O
might	O
be	O
used	O
to	O
measure	O
the	O
amount	O
of	O
motor	O
preparation	O
for	O
a	O
direct	O
specific	O
action	O
,	O
termed	O
"	O
corrected	O
motor	O
asymmetry	O
"	O
,	O
was	O
highlighted	O
by	O
De	O
Jong	O
and	O
Gratton	O
et	O
al	O
.	O
</s>
<s>
For	O
example	O
,	O
if	O
a	O
subject	O
were	O
to	O
move	O
his	O
or	O
her	O
left	O
hand	O
,	O
the	O
subsequent	O
event	B-Algorithm
related	I-Algorithm
potential	I-Algorithm
would	O
be	O
recorded	O
over	O
two	O
scalp	O
sites	O
with	O
the	O
larger	O
negativity	O
over	O
motor	O
cortex	O
on	O
the	O
right	O
side	O
of	O
the	O
scalp	O
(	O
C4	O
)	O
and	O
the	O
smaller	O
potential	O
over	O
the	O
left	O
side	O
of	O
the	O
scalp	O
(	O
C3	O
)	O
.	O
</s>
<s>
The	O
grammatical	O
feature	O
was	O
the	O
grammatical	O
gender	O
of	O
the	O
depicted	O
noun	O
;	O
the	O
phonological	O
feature	O
was	O
phoneme	B-Language
that	O
the	O
noun	O
label	O
started	O
with	O
.	O
</s>
<s>
The	O
study	O
also	O
collected	O
event-related	B-Algorithm
optical	I-Algorithm
signal	I-Algorithm
(	O
EROS	O
)	O
data	O
,	O
which	O
has	O
a	O
spatial	O
resolution	O
for	O
imaging	O
cortical	O
activity	O
in-vivo	O
that	O
is	O
somewhat	O
more	O
coarse	O
than	O
functional	O
magnetic	O
resonance	O
imaging	O
,	O
but	O
has	O
a	O
temporal	O
precision	O
similar	O
to	O
event-related	B-Algorithm
potentials	I-Algorithm
(	O
ERPs	O
)	O
.	O
</s>
<s>
Later	O
studies	O
on	O
event	O
preparation	O
examining	O
the	O
foreperiod	O
of	O
the	O
contingent	B-Algorithm
negative	I-Algorithm
variation	I-Algorithm
(	O
CNV	O
)	O
,	O
which	O
orients	O
the	O
subject	O
to	O
respond	O
to	O
warned	O
stimuli	O
,	O
and	O
the	O
foreperiod	O
of	O
the	O
LRP	O
were	O
used	O
to	O
study	O
the	O
exact	O
mechanism	O
of	O
event	O
preparation	O
.	O
</s>
