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Physarum polycephalum
Slime mold
Mid: slime
Many-headed (polycephalum) slime mold
Mid: slime
polycephalum is a single cellfilled with manyinteracting nuclei
Mid: slime
Mid: slime
all dark
all dark
Minimal-risk-path
task
Mid: slime
Nakagaki, et al., preprint
all dark
all dark
lightdark
lightdark
lightdark
Mid: slime
start
Mid: slime
few hours laterstart
Shortest-path -through-maze
task
Mid: slime
Nakagaki, et al., NATURE VOL 407 p470 28 SEPTEMBER 2000
NP hard
few hours laterstart “finally”
Mid: slime
Tero, et al., SCIENCE VOL 327 p439 22 JANUARY 2010
start
Tokyo-railway-system
task
Mid: slime
Tero, et al., SCIENCE VOL 327 p439 22 JANUARY 2010
NP hard
start
end
Mid: slimeSaigusa, et al., PRL 100, 018101 (2008)
time
Mid: slimeSaigusa, et al., PRL 100, 018101 (2008)
time
Learns
Mid: slimeSaigusa, et al., PRL 100, 018101 (2008)
time
Learns
Mid: slimeSaigusa, et al., PRL 100, 018101 (2008)
time
Learns Recalls
Mid: slimeSaigusa, et al., PRL 100, 018101 (2008)
time
Learns RecallsRemember
-to-stoptask
Mid: slimeSaigusa, et al., PRL 100, 018101 (2008)
time
FISH Experiment
FISH Experiment
FISH Experiment
STUCK !
FISH Experiment
FISH Experiment
CONSENSUS !
Epi
Stuck ?
Stomata
Stomatal Patchiness
Mid: leaves
Brains make patches, too
Mid: nets
Mid: nets
White?
Black?or
Easy w CPU,not so easy w/o
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