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  • Title: The role of myelination in learning performance observed in two strains of myelin-deficient mutant mice (shiverer and mld).
    Author: Inagawa K, Watanabe S, Tsukada Y, Mikoshiba K.
    Journal: Behav Neural Biol; 1988 Sep; 50(2):184-92. PubMed ID: 2465759.
    Abstract:
    In order to study whether myelination is involved in learning performance, the behavior of myelin-deficient mutant mice (shiverer and mld) was examined. Shiverer is a deletion mutant of the myelin basic protein (MBP) gene causing severe myelin deficits due to the complete absence of MBP, while mld, allelic mutant to shiverer, shows lowered MBP expression, resulting in less severe effects. Shiverer clearly showed deficits in successive reversal learning, while mld showed less deficits in the learning performance. Both mutant mice showed no deficits in the radial maze performance, which is though to show the natural foraging behavior of rodents. These results suggest that myelin formation is related to learning but not to natural behavior.
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