Brembs and Heisenberg (2001) Conditioning with compound stimuli in Drosophila at the flight simulator

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Conditioning with compound stimuli in Drosophila at the flight simulator

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CONTRIBUTORS:

	Author:	Brembs, Björn (Freie Universität Berlin)
	Author:	Heisenberg, Martin

JOURNAL:

The journal of experimental biology, 204(??), 2849 - 2859.

YEAR:

2001

PUB TYPE:

Journal Article

SUBJECT(S):

learning and memory, operant conditioning, psychology, neurobiology, neuroscience

DISCIPLINE:

Biology

HTTP:

http://bjoern.brembs.net/download.php?view.8

LANGUAGE:

English

PUB ID:

103-425-959 (Last edited on 2006/04/12 07:20:28 GMT-6)

SPONSOR(S):

ABSTRACT:
Short-term memory in Drosophila melanogaster operant visual learning in the flight simulator is explored using patterns and colours as a compound stimulus. Presented together during training, the two stimuli accrue the same associative strength whether or not a prior training phase rendered one of the two stimuli a stronger predictor for the reinforcer than the other (no blocking). This result adds Drosophila to the list of other invertebrates that do not exhibit the robust vertebrate blocking phenomenon. Other forms of higher-order learning, however, were detected: a solid sensory preconditioning and a small second-order conditioning effect imply that associations between the two stimuli can be formed, even if the compound is not reinforced.

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