The relationship between behavior acquisition and persistence abilities: Involvement of adult hippocampal neurogenesis

Hippocampus
Simona GradariJosé Luis Trejo

Abstract

The influence of the learning process on the persistence of the newly acquired behavior is relevant both for our knowledge of the learning/memory mechanisms and for the educational policy. However, it is unclear whether during an operant conditioning process with a continuous reinforcement paradigm, individual differences in acquisition are also associated to differences in persistence of the acquired behavior. In parallel, adult neurogenesis has been implicated in spatial learning and memory, but the specific role of the immature neurons born in the adult brain is not well known for this process. We have addressed both questions by analyzing the relationship between water maze task acquisition scores, the persistence of the acquired behavior, and the size of the different subpopulations of immature neurons in the adult murine hippocampus. We have found that task acquisition and persistence rates were negatively correlated: the faster the animals find the water maze platform at the end of acquisition stage, the less they persist in searching for it at the learned position in a subsequent non-reinforced trial; accordingly, the correlation in the number of some new neurons' subpopulations and the acquisition rate is negative whil...Continue Reading

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Citations

Mar 3, 2017·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Carla BertapelleAnna Di Cosmo
Jul 3, 2018·Neurobiology of Learning and Memory·Ana Raquel Pereira-CaixetaGrace S Pereira

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