Dendritic mechanisms underlying synaptic plasticity

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The research described in this Project Grant application should help to us understand how our brains make memories. Our brains contain billions of interconnected nerve cells forming unimaginable numbers of possible networks. Previous research indicates that repetitive activation of individual networks can lead to changes in the strength of connections between nerve cells. These changes in connection strength are thought to underlie learning and memory. The experiments described in this proposal will address the mechanisms underlying changes in the strength of connections between nerve cells. As most of the inputs nerve cells receive from other nerve cells are made onto their dendrites (small branching processes that extend from the cell body), the main objective is to investigate the interactions at the dendritic level responsible for changes in connection strength. The results of this work will raise our understanding of how memories are formed, which will be essential if we are to understand the cellular processes disrupted during memory dysfunction in neurological disorders such as dementia.