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PD Dr. Björn Brembs

phone:       ++49 30/838-55050 
fax:           ++49 30/838-55455 
e-mail:       bjoern@brembs.net

homepage: http://brembs.net
 

The organisation of behavior

Main research topics focus around the general organization of behavior with regards to reward, punishment and decision making: How do brains accomplish adaptive behavioral choice? Specifically, operant (instrumental) conditioning paradigms are used and contrasted with classical (Pavlovian) conditioning situations in flies (Drosophila) and snails (Aplysia). Such comparisons highlight the differences and similarities between behavioral and environmental learning, the two forms of predictive learning. Methods used include a number behavioral paradigms, in vitro conditioning, electrophysiology, transgenes, molecular biology and some pharmacology. Computer modelling of simple networks complements the experimental work. Further research interests include the neurobiology of aggression, behavioral ecology, the evolution of cooperation and evolutionary psychology.

For details see http://brembs.net

 

Current research projects:

 

Publications:

Peer-reviewed primary publications:

Brembs, and B Wiener, J. (2006, subm.): Context generalization and occasion setting: mushroom bodies stabilize visual memory in Drosophila .

Brembs, B. and Hempel de Ibarra, N. (2006, subm.): Different parameters support discrimination and generalization in Drosophila at the flight simulator.

Brembs, B. ; Plendl, W. and Wolf, R. (2006, subm.): Hierarchical interactions in Drosophila predictive learning.

Phillips A.M.; Smart R.; Strauss R.; Brembs B. and Kelly, L.E. (2005): The Drosophila black enigma: the molecular and behavioural characterization of the black 1 mutant allele. Gene 351C , 131-142.

Brembs B.; Baxter D.A. and Byrne J.H. (2004): Extending in vitro conditioning in Aplysia to analyze operant and classical processes in the same preparation. Learn. Mem . 11 , 412-420.

Baier A.; Wittek B. and Brembs B. (2002): Drosophila as a new model organism for the neurobiology of aggression? J. Exp. Biol. 205 , 1233-1240.

Brembs B.; Lorenzetti F.D.; Reyes F.D.; Baxter D.A. and Byrne J.H. (2002): Operant Reward Learning in Aplysia : Neuronal Correlates and Mechanisms. Science 296 , 1706-1709.

Brembs B. and Heisenberg M. (2001): Conditioning with compound stimuli in Drosophila at the flight simulator. J. Exp. Biol. 204 , 2849-2859

Brembs B. and Heisenberg M. (2000): The Operant and the Classical in conditioned orientation of Drosophila melanogaster at the flight simulator. Learn. Mem. 7 , 104-115.

Cutts C.J.; Brembs B.; Metcalfe N.B. and Taylor A.C. (1999): Prior residence, territory quality and life-history strategies in juvenile Atlantic salmon (Salmo salar L.). J. Fish. Biol. 55 , 784-794.

 

Other publications:

Peer-reviewed articles:

 

A. Invited Reviews

Brembs B. (2003): Operant reward learning in Aplysia . Curr. Dir. Psychol. Sci. 12 , 218-221.

Brembs B. (2003): Operant conditioning in invertebrates. Curr. Opin. Neurobiol . 13 , 710-717.

 

B. Reviews

Heisenberg M.; Wolf R. and Brembs B. (2001): Flexibility in a single behavioral variable of Drosophila . Learn. Mem . 8 , 1-10

Brembs B. (1996): Chaos cheating and cooperation: potential solutions to the Prisoner's Dilemma. OIKOS 76 , 14-24.

 

Book Chapters:

Menzel R.; Brembs, B. and Giurfa M. (2006, in press): Cognition in Invertebrates. In: Strausfeld , N.J. and Bullock, T.H. (eds) The Evolution of Nervous Systems, Vol II: Evolution of Nervous Systems in Invertebrates. Elsevier Life Sciences.

Brembs B. (2001): Hamilton 's Theory. In: Brenner, S. and Miller, J. (eds) Encyclopedia of Genetics, Academic Press, London , New York ; pp. 906-910.

 

For pdf see publications of the Menzel Group

Presentations:

Poster presentations at scientific meetings:

Brembs B.; Wolf R.; Heisenberg M. (1997): Is operant behavior facilitating classical conditioning of Drosophila at the flight simulator? In: Elsner N, Waessle H (eds) Göttingen Neurobiology Report 1997. Georg Thieme Verlag Stuttgart , New York : 652.

Wolf R.; Brembs B.; Ernst R. and Heisenberg M. (1998): Classification of learning in tethered flying Drosophila . In: Elsner N and Wehner R (eds) New Neuroethology on the Move. Georg Thieme Verlag Stuttgart , New York : 111

Brembs B.; Wolf R. and Heisenberg M. (1998): How different are operant and classical conditioning at the flight simulator? 5 th International Congress of Neuroethology, San Diego , Ca.

Brembs B.; Wolf R. and Heisenberg M. (1998): Operant and Classical Learning at the Flight Simulator: What is the Role of the Context? In: Elsner N and Wehner R (eds) New Neuroethology on the Move. Georg Thieme Verlag Stuttgart , New York : 514.

Brembs B.; Wolf R. and Heisenberg M. (1999): Classical Questions in an Operant Learning Paradigm. In: Elsner N and Eysel U (eds) Göttingen Neurobiology Report 1999. Georg Thieme Verlag Stuttgart , New York : 545.

Baxter D.A.; Cai Y.; Brembs B. and Byrne J.H. (2000): Simulating physiological and morphological properties of neurons with SNNAP (Simulator for Neural Networks and Action Potentials). Soc. Neurosci. Abstr. 26:21.64.

Brembs B.; Wilkinson E.; Reyes F.; Baxter D.A. and Byrne J.H. (2001): Operant conditioning using self-stimulation in Aplysia . In: Kreutzberg GW and Elsner N (eds) Göttingen Neurobiology Report 2001. Georg Thieme Verlag Stuttgart , New York

Baxter D.A.; Brembs B. and Byrne J.H. (2001): Operant conditioning of feeding behavior in Aplysia . Cold Spring Harbor Symposium on Learning and Memory.

Brembs B.; Wilkinson E.; Reyes F.; Baxter D.A. and Byrne J.H. (2001): Operant conditioning of feeding behavior in Aplysia using self-stimulation. Soc. Neurosci. Abstr. 644.19

Brembs B.; Wilkinson E.; Reyes F.; Baxter D.A. and Byrne J.H. (2001): Operant conditioning of feeding behavior in Aplysia . 6 th International Congress of Neuroethology , Bonn , Germany .

Evans C.G; Jing J.; Proekt A., Brembs B.; Rosen S. and Cropper E.C. (2003): Frequency-dependent regulation of afferent transmission in the feeding circuitry of Aplysia . Soc. Neurosci. Abstr. 604.1.

Brembs B.; Baxter D.A. and Byrne J.H. (2004): Extending in vitro conditioning in Aplysia to analyze operant and classical processes in the same preparation. 7 th International Congress of Neuroethology, Nyborg , Denmark .

Carbon, C.C.; Leder, H.; Weber, J.; Sander, T.; Trahms, L.; Grueter, M.; Grueter, T.; Brembs, B. and Lueschow, A. (2004). Specific impairments of configural processing in prosopagnosics . Soc. Neurosci. Abstr., 200.23.

Brembs, B.; Maye, A. and Greggers, U. (2005): Order in spontaneous behavior. Soc. Neurosci. Abstr., 754.2.

Wiener, J.; Gerber, B.; Hempel de Ibarra, N.; Menzel, R. and Brembs, B. (2005): Occasion setting in Drosophila at the flight simulator. Soc. Neurosci. Abstr., 777.9

Brembs, B.; Hsieh, C.; Sugihara, G. and Maye, A (2006): Do fruit flies have free will? 5 th FENS Forum, Vienna

Christiansen, F.; Pflüger, J. ; Duch, C.; and Brembs, B. (2006): Profound flight performance deficit in Drosophila lacking octopamine. 5 th FENS Forum, Vienna

Brembs, B. (2006): Operant and classical components interact hierarchically in Drosophila predictive learning. Soc. Neurosci. Abstr.,

 

Invited Presentations:

19/07/2004-23/07/2004: Participant, Novartis Foundation Symposium No. 268 on ?Molecular Mechanisms Influencing Aggressive Behaviours.? London , England , UK .

17/09/2006-22/09/2006: Speaker, XIII Summer School, Nicolás Cabrera Institute , ? Biophysics of Biological Circuits: from Molecules to Networks.? Universidad Autónoma de Madrid , Spain .

 

 

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