<s>
The	O
mismatch	B-Algorithm
negativity	I-Algorithm
(	O
MMN	O
)	O
or	O
mismatch	B-Algorithm
field	I-Algorithm
(	O
MMF	O
)	O
is	O
a	O
component	O
of	O
the	O
event-related	B-Algorithm
potential	I-Algorithm
(	O
ERP	O
)	O
to	O
an	O
odd	O
stimulus	O
in	O
a	O
sequence	O
of	O
stimuli	O
.	O
</s>
<s>
In	O
hearing	O
,	O
a	O
deviant	O
sound	O
can	O
differ	O
from	O
the	O
standards	O
in	O
one	O
or	O
more	O
perceptual	O
features	O
such	O
as	O
pitch	O
,	O
duration	O
,	O
loudness	B-Algorithm
,	O
or	O
location	O
.	O
</s>
<s>
MMN	O
refers	O
to	O
the	O
mismatch	O
response	O
in	O
electroencephalography	B-Application
(	O
EEG	B-Application
)	O
;	O
MMF	O
or	O
MMNM	B-Algorithm
refer	O
to	O
the	O
mismatch	O
response	O
in	O
magnetoencephalography	B-Algorithm
(	O
MEG	O
)	O
.	O
</s>
<s>
The	O
mismatch	B-Algorithm
negativity	I-Algorithm
occurs	O
even	O
if	O
the	O
subject	O
is	O
not	O
consciously	O
paying	O
attention	O
to	O
the	O
stimuli	O
.	O
</s>
<s>
This	O
is	O
the	O
mismatch	B-Algorithm
negativity	I-Algorithm
(	O
MMN	O
)	O
,	O
a	O
component	O
of	O
the	O
event-related	B-Algorithm
potential	I-Algorithm
(	O
ERP	O
)	O
,	O
first	O
reported	O
by	O
Näätänen	O
,	O
Gaillard	O
,	O
and	O
Mäntysalo	O
(	O
1978	O
)	O
.	O
</s>
<s>
An	O
in-depth	O
review	O
of	O
MMN	O
research	O
can	O
be	O
found	O
in	O
Näätänen	O
(	O
1992	O
)	O
while	O
other	O
recent	O
reviews	O
also	O
provide	O
information	O
on	O
the	O
generator	O
mechanisms	O
of	O
MMN	O
,	O
its	O
magnetic	O
counterpart	O
,	O
MMNm	B-Algorithm
(	O
Näätänen	O
,	O
Ilmoniemi	O
&	O
Alho	O
,	O
1994	O
)	O
,	O
and	O
its	O
clinical	O
applicability	O
.	O
</s>
<s>
For	O
very	O
large	O
deviances	O
,	O
the	O
MMN	O
can	O
even	O
overlap	O
the	O
N100	B-Algorithm
.	O
</s>
<s>
In	O
addition	O
to	O
these	O
kinds	O
of	O
studies	O
focusing	O
on	O
phonological	O
processing	O
,	O
some	O
research	O
has	O
implicated	O
the	O
MMN	O
in	O
syntactic	B-Application
processing	O
.	O
</s>
