"voluntariness": behavioural freedom and decision-making in flies

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"Voluntariness": Behavioural Freedom and Decision-Making in Flies Björn Brembs Universität Regensburg http://brembs.net

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Post on 06-May-2015

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Slides for my presentation at the BNA festival 2013 in London at the Barbican. The talk was during a session on volition and actions.

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  • 1.Bjrn BrembsUniversitt Regensburghttp://brembs.net

2. No empiricalsupport 3. Hans Flohr, neurobiologistMental states are always brainstates, meaning physicalstates 4. Newtons clockwork 5. We cannot predict the futurefor principle reasons 6. No empirical support 7. Deterministic 8. Stochastic 9. Deterministic 10. Reproducibility is notevolutionary stable 11. Behavioral variability in a constant stimulus situation:Actions, not responses 12. Maye et al. (2007)correlationNonlinear (choice)Linear/stochastic (noise) nonlinearity 13. Maye et al. (2007) 14. Slope of linear regression 0.02correlationNonlinear 0.01Linear/stochastic 0 nonlinearity 15. Double Gal4 c105; c232*** p < 0.001, one way ANOVA 16. C105-GAL4Ellipsoid body R1R1Ellipsoid body R3, R4d 20 m.Kahsai, Carlsson, & Nssel., 2012 17. Sathishkumar Raja 18. What are the functions ofspontaneous behavioral variability? 19. Pursuit-evasion contests & competition(courtship, predator- prey, territoriality, chess, sports etc.) 20. Exploration (find that hidden resource you would otherwise never find.) 21. Detection of re-afferent signals in the sensorystream (self vs. non-self) operantbehavior/learning 22. Action Outcome Evaluation