<s>
Mindpixel	B-General_Concept
was	O
a	O
web-based	O
collaborative	O
artificial	B-Application
intelligence	I-Application
project	I-Application
which	O
aimed	O
to	O
create	O
a	O
knowledgebase	O
of	O
millions	O
of	O
human	O
validated	O
true/false	O
statements	O
,	O
or	O
probabilistic	O
propositions	O
.	O
</s>
<s>
A	O
validated	O
true/false	O
statement	O
is	O
called	O
a	O
mindpixel	B-General_Concept
.	O
</s>
<s>
The	O
project	O
was	O
conceived	O
by	O
Chris	O
McKinstry	O
,	O
a	O
computer	O
scientist	O
and	O
former	O
Very	O
Large	O
Telescope	O
operator	O
for	O
the	O
European	O
Southern	O
Observatory	O
in	O
Chile	O
,	O
as	O
MISTIC	B-General_Concept
(	O
Minimum	B-General_Concept
Intelligent	I-General_Concept
Signal	I-General_Concept
Test	I-General_Concept
Item	O
Corpus	O
)	O
in	O
1996	O
.	O
</s>
<s>
Mindpixel	B-General_Concept
was	O
developed	O
out	O
of	O
this	O
program	O
,	O
and	O
started	O
in	O
2000	O
and	O
had	O
1.4	O
million	O
mindpixels	B-General_Concept
in	O
January	O
2004	O
.	O
</s>
<s>
McKinstry	O
believed	O
that	O
the	O
Mindpixel	B-General_Concept
database	O
could	O
be	O
used	O
in	O
conjunction	O
with	O
a	O
neural	B-Architecture
net	I-Architecture
to	O
produce	O
a	O
body	O
of	O
human	O
"	O
common	O
sense	O
"	O
knowledge	O
which	O
would	O
have	O
market	O
value	O
.	O
</s>
<s>
Participants	O
in	O
the	O
project	O
were	O
promised	O
shares	O
in	O
any	O
future	O
value	O
according	O
to	O
the	O
number	O
of	O
mindpixels	B-General_Concept
they	O
had	O
successfully	O
created	O
.	O
</s>
<s>
On	O
20	O
September	O
2005	O
Mindpixel	B-General_Concept
lost	O
its	O
free	O
server	O
and	O
is	O
no	O
longer	O
operational	O
.	O
</s>
<s>
It	O
was	O
being	O
rewritten	O
by	O
Chris	O
McKinstry	O
as	O
Mindpixel	B-General_Concept
2	O
and	O
was	O
intended	O
to	O
appear	O
on	O
a	O
new	O
server	O
in	O
France	O
.	O
</s>
<s>
The	O
mindpixel.com	O
domain	O
currently	O
points	O
to	O
an	O
IQ	O
test	O
web	O
site	O
.	O
</s>
<s>
Some	O
Mindpixel	B-General_Concept
data	O
have	O
been	O
utilized	O
by	O
Michael	O
Spivey	O
of	O
Cornell	O
University	O
and	O
Rick	O
Dale	O
of	O
The	O
University	O
of	O
Memphis	O
to	O
study	O
theories	O
of	O
high-level	O
reasoning	O
and	O
continuous	O
temporal	O
dynamics	O
of	O
thought	O
.	O
</s>
<s>
In	O
this	O
paper	O
,	O
McKinstry	O
(	O
as	O
posthumous	O
first	O
author	O
)	O
,	O
Dale	O
,	O
and	O
Spivey	O
use	O
a	O
very	O
small	O
and	O
carefully	O
selected	O
set	O
of	O
Mindpixel	B-General_Concept
statements	O
to	O
show	O
that	O
even	O
high-level	O
thought	O
processes	O
like	O
decision	O
making	O
can	O
be	O
revealed	O
in	O
the	O
nonlinear	O
dynamics	O
of	O
bodily	O
action	O
.	O
</s>
<s>
Other	O
similar	O
AI-driven	O
knowledge	O
acquisition	O
projects	O
are	O
Never-Ending	B-Algorithm
Language	I-Algorithm
Learning	I-Algorithm
and	O
Open	O
Mind	O
Common	O
Sense	O
(	O
run	O
by	O
MIT	O
)	O
,	O
the	O
latter	O
being	O
also	O
hampered	O
when	O
its	O
director	O
died	O
of	O
suicide	O
.	O
</s>
