Making Memories Stick
R. Douglas Fields,
Scientific American,
Jan 25, 2005
Numerous things happen every day, but we remember only some of them. Why? "When an event is important enough or is repeated enough, synapses fire to make the neuron in turn fire neural impulses repeatedly and strongly, declaring 'this is an event that should be recorded.' The relevant genes turn on, and the synapses that are holding the short-term memory when the synapse-strengthening proteins find them, become, in effect, tattooed."
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