bumble bees are surprisingly innovative · bumble bees are surprisingly innovative by virginia...
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Bumble bees are surprisingly innovativeby Virginia Norell, Science, 23 Feb 2017
Presentation prepared by Dmitry Fedoriaka
March 3, 2017
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Agenda
Bumble bees
The experiment
The outcome
The conclusions
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Bumble bee
Posess complex navigational skills
Have rudimentary culture
Have emotions
Can use tools
Can learn
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The experiment
Move a ball to the target — get a sugar!
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Learning
1 Watching another trained bumble bee2 Watching a ’ghost’ bee (actually magnet)3 No training — ball already at the target (with reward)
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Challenges
Three balls on the different distance
While learning only the farthest ball was moved
Yellow ball replaced with black ball
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Outcome
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Analysis
In all cases — learned successfully
Moved mostly nearest ball even if ’teacher’ moved the farthest(optimal solution)
Moved black ball as well as yellow (understood concept)
Sometimes pulled the ball even if ’teacher’ only pushed it(innovation)
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Conclusion
Small brain doesn’t mean no intelligence
Bumble bees can develop entirely novel behaviors when theenvironment changes
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Thank you
Dmitriy S. Fedoriaka Bumble bees 10 / 11
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References
Bumble bees are surprisingly innovative,Virginia Morell, Feb 23, 2017,http://www.sciencemag.org/news/2017/02/
bumble-bees-are-surprisingly-innovative
Bumblebees show cognitive flexibility by improving on anobserved complex behavior,Loukola et al., Science 355, 833–836 (2017),http://science.sciencemag.org/content/sci/355/
6327/833.full.pdf
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