<s>
The	O
illusory	B-Application
continuity	I-Application
of	I-Application
tones	I-Application
is	O
the	O
auditory	B-Application
illusion	I-Application
caused	O
when	O
a	O
tone	O
is	O
interrupted	O
for	O
a	O
short	O
time	O
,	O
during	O
which	O
a	O
narrow	O
band	O
of	O
noise	O
is	O
played	O
.	O
</s>
<s>
Because	O
the	O
human	O
ear	O
is	O
very	O
sensitive	O
to	O
sudden	O
changes	O
,	O
however	O
,	O
it	O
is	O
necessary	O
for	O
the	O
success	O
of	O
the	O
illusion	O
that	O
the	O
amplitude	B-Application
of	O
the	O
tone	O
in	O
the	O
region	O
of	O
the	O
discontinuity	O
not	O
decrease	O
or	O
increase	O
too	O
abruptly	O
.	O
</s>
<s>
Illusory	O
continuity	O
is	O
antagonistic	O
with	O
illusory	B-Application
discontinuity	I-Application
.	O
</s>
<s>
While	O
illusory	O
continuity	O
restores	O
perceptual	O
continuity	O
of	O
obscured	O
sounds	O
,	O
illusory	B-Application
discontinuity	I-Application
disrupts	O
the	O
perception	O
even	O
if	O
the	O
sound	O
is	O
indeed	O
continuous	O
.	O
</s>
<s>
Listeners	O
strongly	O
susceptible	O
to	O
illusory	B-Application
discontinuity	I-Application
do	O
not	O
perceive	O
illusory	O
auditory	O
continuity	O
.	O
</s>
<s>
Animal	O
models	O
suggest	O
that	O
the	O
auditory	O
cortex	O
is	O
the	O
primary	O
cause	O
for	O
this	O
auditory	B-Application
illusion	I-Application
.	O
</s>
