DNA Methylation in Memory Formation

Chapter
Part of the Research and Perspectives in Neurosciences book series (NEUROSCIENCE)

Abstract

The mechanism by which behavioral memories are able to endure in a structure as dynamic as the brain is a long-standing mystery of cognition. For example, a memory must survive, by some mechanism, the ongoing replacement of the proteins that were initially responsible for its formation. In this review I describe the beginning of work designed to test the hypothesis that the brain utilizes DNA methylation as a mechanism to contribute to the stable maintenance of memories. Decades ago, both Francis Crick and Robin Holliday speculated that DNA methylation might be a self-perpetuating mechanism involved in memory storage. Ongoing studies in a number of laboratories are testing the idea that learning-induced epigenetic modifications in the cortex can serve as stable alterations in brain cells, contributing to the support of memory stability. Thinking in analogy to developmental biology, oncogenesis, and cellular differentiation, investigators in this area have begun to pursue the possibility that chromatin- and DNA-modifying molecular mechanisms might play a role in memory in the adult CNS.

Keywords

Anterior Cingulate Cortex Memory Formation Fear Memory Contextual Fear Conditioning Remote Memory 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  1. 1.Department of Neurobiology and Evelyn F. McKnight Brain InstituteUniversity of Alabama at BirminghamBirminghamUSA

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