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Published online before print January 17, 2006, 10.1101/lm.90106
LEARNING & MEMORY 13:97-101
©2006 by Cold Spring Harbor Laboratory Press; ISSN 1072-0502/06 $5.00
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Research Paper
The "prawn-in-the-tube" procedure in the cuttlefish: Habituation or passive avoidance learning?

Véronique Agin1, Raymond Chichery, Ludovic Dickel and Marie-Paule Chichery

Laboratoire de Psychophysiologie, Université de Caen, 14032 Caen Cedex, France; C.R.E.C., 14530 Luc-sur-Mer, France

This study examines whether or not habituation contributes to the regulation of the inhibition of predatory behavior observed during the "prawn-in-the-tube" training procedure. When presented with prawns that are visible behind glass but untouchable, cuttlefish promptly learn to inhibit their capture attempts. The first three experiments demonstrated that the acquired response in the course of training cannot be dishabituated. The fourth experiment demonstrated that the repeated application of a brief visual prawn stimulus, one that is terminated before the cuttlefish can strike, decreases attack latencies. Taken together, the results of this study establish that habituation does not play a significant role in this learning task. In fact, the present findings strengthen the results of previous studies suggesting that passive avoidance learning contributes to the regulation of the inhibition of predatory behavior.

Received December 7, 2004; accepted in revised form November 3, 2005.

Article published online ahead of print. Article and publication date are at http://www.learnmem.org/cgi/doi/10.1101/lm.90106.

Corresponding author.

1 E-mail veronique.agin{at}unicaen.fr; fax 33-1-31565600.


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