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Updated: Jul 15, 2026
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Novel Object Recognition Test for the Investigation of Learning and Memory in Mice
Published on: August 30, 2017
Object recognition in rats and mice: a one-trial non-matching-to-sample learning task to study 'recognition memory'.
1Department of Psychology, 238 Burnett Hall, University of Nebraska-Lincoln, Lincoln, NE 68588-0308, USA. rbevins1@unl.edu
Nature Protocols
|April 5, 2007
Summary
Rats and mice naturally prefer novel objects over familiar ones. This object recognition behavior is a key tool for studying memory and cognition in neuroscience research.
Area of Science:
- Neuroscience
- Behavioral Pharmacology
- Cognitive Science
Background:
- Rodents exhibit a natural preference for novel stimuli over familiar ones.
- This innate behavior forms the basis for studying memory and recognition.
- The object-recognition task is a widely adopted protocol in animal research.
Purpose of the Study:
- To investigate the underlying mechanisms of recognition memory in rodents.
- To utilize the object-recognition task as a model for memory research.
- To explore factors influencing object recognition, such as aging and drug exposure.
Main Methods:
- Animals explore a novel object in an apparatus.
- After a delay, animals are reintroduced to the apparatus with one familiar and one novel object.
- Interaction time with each object is recorded to assess recognition memory.
Main Results:
- Animals typically spend more time interacting with the novel object.
- This differential interaction indicates successful recognition of the familiar object.
- The task effectively differentiates between novel and familiar object exploration.
Conclusions:
- The object-recognition task is a valid and sensitive method for assessing recognition memory.
- This paradigm is valuable for studying various conditions affecting memory, including aging and drug effects.
- Further research is needed to fully understand the neural basis of recognition memory.
