Behavioral correlates of equine stereotypy phenotype
Behavioral correlates of equine stereotypy phenotype
Horses that display stereotypic (repetitive, idiosyncratic and invariant response patterns) behavior have been shown to have differences in central nervous system physiology. Specifically, they have been found to have sensitized striatal dopaminergic pathways. Pharmacological sensitization of the striatum has been shown to lead to an accelerated shift from planned behaviour (response-outcome) to habitual responding (stimulus-response), in the context of US devaluation and place-response paradigms. Therefore, theoretically, endogenously produced sensitization would be expected to lead to a similar accelerated shift. In the present study, matched pairs of stereotypic and non-stereotypic horses were trained to locate food in a standard cross-maze. After training, subjects were challenged with a probe trial, in which they were placed in an immediately adjacent mirror image maze. Differences between the groups were found, and results are discussed in the context of the equine stereotypy phenotype.
Parker, Matt
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Redhead, Ed
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Goodwin, Deborah
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McBride, Sebastian
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Parker, Matt
55d593a4-14e7-4d4c-a7c4-1f9b8870e36b
Redhead, Ed
d2342759-2c77-45ef-ac0f-9f70aa5db0df
Goodwin, Deborah
6a44fe30-189a-493d-8dcc-3eb8199a12ab
McBride, Sebastian
dcfa8090-c688-48ac-97e7-b639c4a334a6
Parker, Matt, Redhead, Ed, Goodwin, Deborah and McBride, Sebastian
(2008)
Behavioral correlates of equine stereotypy phenotype.
Association for Behaviour Analysis 2008 Convention, Arlington, USA.
13 - 14 Nov 2008.
(In Press)
Record type:
Conference or Workshop Item
(Paper)
Abstract
Horses that display stereotypic (repetitive, idiosyncratic and invariant response patterns) behavior have been shown to have differences in central nervous system physiology. Specifically, they have been found to have sensitized striatal dopaminergic pathways. Pharmacological sensitization of the striatum has been shown to lead to an accelerated shift from planned behaviour (response-outcome) to habitual responding (stimulus-response), in the context of US devaluation and place-response paradigms. Therefore, theoretically, endogenously produced sensitization would be expected to lead to a similar accelerated shift. In the present study, matched pairs of stereotypic and non-stereotypic horses were trained to locate food in a standard cross-maze. After training, subjects were challenged with a probe trial, in which they were placed in an immediately adjacent mirror image maze. Differences between the groups were found, and results are discussed in the context of the equine stereotypy phenotype.
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Submitted date: 2008
Accepted/In Press date: 2008
Venue - Dates:
Association for Behaviour Analysis 2008 Convention, Arlington, USA, 2008-11-13 - 2008-11-14
Identifiers
Local EPrints ID: 63487
URI: http://eprints.soton.ac.uk/id/eprint/63487
PURE UUID: 4f480d8f-e7c9-4ac7-9df9-2a220b758442
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Date deposited: 20 Oct 2008
Last modified: 09 Jun 2023 01:35
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Contributors
Author:
Matt Parker
Author:
Deborah Goodwin
Author:
Sebastian McBride
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