Conditioned reinforcement in the crayfish Orconectes rusticus

Conditioned reinforcement in the crayfish Orconectes rusticus Conditioned reinforcement in the crayfish Orconectes rusticus Brian A. Hazlett 1) (Department of Ecology & Evolutionary Biology, Univ. Michigan, Ann Arbor, MI 48109, USA & University of Michigan Biological Station, Pellston, MI 49769, USA) (Accepted: 18 May 2007) Summary The crayfish Orconectes rusticus can form a learned association between alarm odour (an unlearned signal of elevated predation risk) and a formerly neutral odour. In this study the odours of gyrinid beetles and of the snail Campeloma decisum were each paired with alarm odour and subsequently those odours significantly reduced feeding behaviours in the presence of food odour. To test for second-order ( = conditioned) reinforcement, crayfish were first exposed simultaneously to one of the neutral odours and alarm odour and later exposed simultaneously to the two formerly neutral odours. When tested with the second neutral odour (which was not paired with alarm odour) the crayfish showed significant reductions in food-related behaviours, thus demonstrating second-order conditioning. Keywords : conditioned reinforcement, crayfish, second-order reinforcement. Introduction In nature, animals continually experience various combinations of stimuli at any point in time. When two or more stimuli are detected at the same time there is the potential for an association to be formed http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Conditioned reinforcement in the crayfish Orconectes rusticus

Behaviour , Volume 144 (7): 847 – Jan 1, 2007

Loading next page...
 
/lp/brill/conditioned-reinforcement-in-the-crayfish-orconectes-rusticus-vP1bOYZKlt
Publisher
BRILL
Copyright
© 2007 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
D.O.I.
10.1163/156853907781476409
Publisher site
See Article on Publisher Site

Abstract

Conditioned reinforcement in the crayfish Orconectes rusticus Brian A. Hazlett 1) (Department of Ecology & Evolutionary Biology, Univ. Michigan, Ann Arbor, MI 48109, USA & University of Michigan Biological Station, Pellston, MI 49769, USA) (Accepted: 18 May 2007) Summary The crayfish Orconectes rusticus can form a learned association between alarm odour (an unlearned signal of elevated predation risk) and a formerly neutral odour. In this study the odours of gyrinid beetles and of the snail Campeloma decisum were each paired with alarm odour and subsequently those odours significantly reduced feeding behaviours in the presence of food odour. To test for second-order ( = conditioned) reinforcement, crayfish were first exposed simultaneously to one of the neutral odours and alarm odour and later exposed simultaneously to the two formerly neutral odours. When tested with the second neutral odour (which was not paired with alarm odour) the crayfish showed significant reductions in food-related behaviours, thus demonstrating second-order conditioning. Keywords : conditioned reinforcement, crayfish, second-order reinforcement. Introduction In nature, animals continually experience various combinations of stimuli at any point in time. When two or more stimuli are detected at the same time there is the potential for an association to be formed

Journal

BehaviourBrill

Published: Jan 1, 2007

Keywords: SECOND-ORDER REINFORCEMENT; CONDITIONED REINFORCEMENT; CRAYFISH

There are no references for this article.

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off