The contributions of different sources of calcium to the induction of long term potentiation

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When we make memories, we alter the strength of synaptic connections between nerve cells.These changes are particularly marked in the hippopcampus ; a region of the brain involved in the formation of memories. The strength of a synaptic connection is altered if it activates a neurone sufficiently to cause a rise in the level of calcium ions. Calcium can be derived from several sources within the neurone. This project aims to assess the relative importance of these different sources of calcium in inducing increases in synaptic strength.