A 1-night operant learning task without food-restriction differentiates among mouse strains in an automated home-cage environment

E. Remmelink, M. Loos, B. Koopmans, E. Aarts, S. van der Sluis, A.B. Smit, M. Verhage

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Individuals are able to change their behavior based on its consequences, a process involving instrumental learning. Studying instrumental learning in mice can provide new insights in this elementary aspect of cognition. Conventional appetitive operant learning tasks that facilitate the study of this form of learning in mice, as well as more complex operant paradigms, require labor-intensive handling and food deprivation to motivate the animals. Here, we describe a 1-night operant learning protocol that exploits the advantages of automated home-cage testing and circumvents the interfering effects of food restriction. The task builds on behavior that is part of the spontaneous exploratory repertoire during the days before the task. We compared the behavior of C57BL/6J, BALB/cJ and DBA/2J mice and found various differences in behavior during this task, but no differences in learning curves. BALB/cJ mice showed the largest instrumental learning response, providing a superior dynamic range and statistical power to study instrumental learning by using this protocol. Insights gained with this home-cage-based learning protocol without food restriction will be valuable for the development of other, more complex, cognitive tasks in automated home-cages.
Original languageEnglish
Pages (from-to)53-60
JournalBehavioural Brain Research
Volume283
DOIs
Publication statusPublished - 2015

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Operant Conditioning
Learning
Food
Food Deprivation
Inbred DBA Mouse
Learning Curve
Cognition

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title = "A 1-night operant learning task without food-restriction differentiates among mouse strains in an automated home-cage environment",
abstract = "Individuals are able to change their behavior based on its consequences, a process involving instrumental learning. Studying instrumental learning in mice can provide new insights in this elementary aspect of cognition. Conventional appetitive operant learning tasks that facilitate the study of this form of learning in mice, as well as more complex operant paradigms, require labor-intensive handling and food deprivation to motivate the animals. Here, we describe a 1-night operant learning protocol that exploits the advantages of automated home-cage testing and circumvents the interfering effects of food restriction. The task builds on behavior that is part of the spontaneous exploratory repertoire during the days before the task. We compared the behavior of C57BL/6J, BALB/cJ and DBA/2J mice and found various differences in behavior during this task, but no differences in learning curves. BALB/cJ mice showed the largest instrumental learning response, providing a superior dynamic range and statistical power to study instrumental learning by using this protocol. Insights gained with this home-cage-based learning protocol without food restriction will be valuable for the development of other, more complex, cognitive tasks in automated home-cages.",
author = "E. Remmelink and M. Loos and B. Koopmans and E. Aarts and {van der Sluis}, S. and A.B. Smit and M. Verhage",
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A 1-night operant learning task without food-restriction differentiates among mouse strains in an automated home-cage environment. / Remmelink, E.; Loos, M.; Koopmans, B.; Aarts, E.; van der Sluis, S.; Smit, A.B.; Verhage, M.

In: Behavioural Brain Research, Vol. 283, 2015, p. 53-60.

Research output: Contribution to JournalArticleAcademicpeer-review

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