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Updated: Apr 17, 2026
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Novel Object Recognition Test for the Investigation of Learning and Memory in Mice
Published on: August 30, 2017
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Reeler mice show impaired performance in a texture-based novelty recognition task.
Aybeniz Cetin1, Julien Guy1, Jochen F Staiger1
1Institut für Neuroanatomy, University Medical Center Göttingen (UMG), Georg-August University, Göttingen D-37075, Germany.
Physiology & Behavior
|April 15, 2026
Summary
Reeler mice, lacking reelin, show disorganized cortical development but intact local circuits. They fail tactile discrimination tasks, indicating impaired sensory processing despite preserved neural structure.
Area of Science:
- Neuroscience
- Developmental Biology
- Genetics
Background:
- Reelin is crucial for cortical development, guiding neuron migration and layering.
- Reeler mice exhibit disrupted cortical lamination due to reelin deficiency.
- Despite disorganization, Reeler mice retain similar neuron types and ratios to wild-type (WT) mice.
Purpose of the Study:
- To investigate the tactile discrimination capacity of Reeler mice.
- To compare Reeler and WT mice using a novel texture recognition paradigm.
- To explore the relationship between cortical structure and sensory processing in Reeler mice.
Main Methods:
- Utilized a novel texture recognition paradigm to assess tactile discrimination.
- Compared the performance of Reeler mice and WT mice on the texture recognition task.
- Analyzed behavioral outcomes to determine tactile discrimination abilities.
Main Results:
- WT mice successfully recognized the novel texture.
- Reeler mice demonstrated variable performance and failed to recognize the novel texture.
- This suggests impaired sensory processing in Reeler mice despite largely intact local circuitry.
Conclusions:
- Reelin deficiency in Reeler mice leads to impaired tactile discrimination.
- Preserved local circuitry in Reeler mice does not guarantee normal sensory processing.
- Highlights a dissociation between cortical structure and functional sensory capabilities in Reeler mutants.
