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Author |
Cole, P.D.; Adamo, S.A. |
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Title |
Cuttlefish (Sepia officinalis: Cephalopoda) hunting behavior and associative learning |
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Journal Article |
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Year  |
2005 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
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Volume |
8 |
Issue |
1 |
Pages |
27-30 |
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Keywords |
Animals; *Appetitive Behavior; *Association Learning; *Conditioning, Classical; Female; Male; *Mollusca; Photic Stimulation; *Predatory Behavior |
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Abstract |
Because most learning studies in cephalopods have been performed on octopods, it remains unclear whether such abilities are specific to octopus, or whether they correlate with having a larger and more centrally organized brain. To investigate associative learning in a different cephalopod, six sexually mature cuttlefish (Sepia officinalis) participated in a counterbalanced, within-subjects, appetitive, classical conditioning procedure. Two plastic spheres (conditioned stimuli, CSs), differing in brightness, were presented sequentially. Presentation of the CS+ was followed 5 s later by a live feeder fish (unconditioned stimulus, US). Cuttlefish began to attack the CS+ with the same type of food-acquisition seizures used to capture the feeder fish. After seven blocks of training (42 presentations of each CS) the difference in seizure probability between CS+ and CS- trials more than doubled; and was found to be significantly higher in late versus early blocks. These results indicate that cuttlefish exhibit autoshaping under some conditions. The possible ecological significance of this type of learning is briefly discussed. |
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Department of Psychology, Dalhousie University Halifax, Nova Scotia, Canada |
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English |
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ISSN |
1435-9448 |
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Notes |
PMID:15592760 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2500 |
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Author |
Thornton, A.; McAuliffe, K. |
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Title |
Teaching in wild meerkats |
Type |
Journal Article |
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Year |
2006 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
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Volume |
313 |
Issue |
5784 |
Pages |
227-229 |
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Keywords |
Animals; *Animals, Wild/psychology; Behavior, Animal; *Herpestidae/psychology; *Learning; *Predatory Behavior; South Africa; *Teaching; Vocalization, Animal |
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Abstract |
Despite the obvious benefits of directed mechanisms that facilitate the efficient transfer of skills, there is little critical evidence for teaching in nonhuman animals. Using observational and experimental data, we show that wild meerkats (Suricata suricatta) teach pups prey-handling skills by providing them with opportunities to interact with live prey. In response to changing pup begging calls, helpers alter their prey-provisioning methods as pups grow older, thus accelerating learning without the use of complex cognition. The lack of evidence for teaching in species other than humans may reflect problems in producing unequivocal support for the occurrence of teaching, rather than the absence of teaching. |
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Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. jant2@cam.ac.uk |
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English |
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ISSN |
1095-9203 |
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Notes |
PMID:16840701 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2834 |
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