The Scientist, August 2nd, 2004
Some neuroscientists heatedly debate whether reconsolidation exists as a discrete memory process. Now another controversy might be brewing over consolidation and retrieval, processes that precede reconsolidation (assuming it exists) in a memory's development.
The molecule at issue is norepinephrine (NE), a neuromodulator made in brainstem nuclei and released by axons into various forebrain structures, including the hippocampus and amygdala. Modulators influence a postsynaptic neuron's firing rates in response to a presynaptic neuron's release of neurotransmitters such as glutamate and GABA.
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