Impaired instrumental choice in crib-biting horses (Equus caballus)

Behavioural Brain Research
Matthew ParkerS D McBride

Abstract

Horses displaying an oral stereotypy were tested on an instrumental choice paradigm to examine differences in learning from non-stereotypic counterparts. Stereotypic horses are known to have dysfunction of the dorsomedial striatum, and lesion studies have shown that this region may mediate response-outcome learning. The paradigm was specifically applied in order to examine learning that requires maintenance of response-outcome judgements. The non-stereotypic horses learned, over three sessions, to choose a more immediate reinforcer, whereas the stereotypic horses failed to do so. This suggests an initial behavioural correlate for dorsomedial striatum dysregulation in the stereotypy phenotype.

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Citations

Jul 19, 2008·Animal Cognition·Leanne ProopsBritta Osthaus
Sep 29, 2012·BMC Veterinary Research·Sebastian D McBride, Daniel S Mills
May 13, 2014·Behavioural Processes·Alexandra ProtopopovaClive D L Wynne
Feb 26, 2016·Animals : an Open Access Journal From MDPI·Melissa StarlingPaul McGreevy
Apr 28, 2009·The Veterinary Journal·Deborah GoodwinAndrew McLean
Jan 24, 2009·Behavioural Brain Research·Matthew ParkerDeborah Goodwin
Jul 24, 2014·Behavioural Brain Research·Sebastian D McBride, Matthew O Parker
Oct 18, 2018·Animal Cognition·Sabrina Briefer FreymondElodie F Briefer
Feb 28, 2020·Animals : an Open Access Journal From MDPI·Séverine HenryMartine Hausberger
Dec 15, 2020·PloS One·Mathilde StompMartine Hausberger
Sep 7, 2019·Neuroscience and Biobehavioral Reviews·M HausbergerS Henry
Aug 28, 2021·Animals : an Open Access Journal From MDPI·Martine HausbergerSéverine Henry

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