Research on mice indicates that the decades-old orthodox dichotomy between short and long-term memory may be (partially) false.
Researchers at the Riken-MIT Center for Neural Circuit Genetics have discovered that memories are formed in the hippocampus and the cortex simultaneously; although the balance of priority shifts from the hippocampus to the cortex as time passes. Formation of long-term memories is impeded if connections between the hippocampus and the cortex are blocked.
The potential significance of these finding for dementia research is as yet unclear.
Gallagher, J. (2017). Rules of memory ‘beautifully’ rewritten. London: BBC Health News, April 7th 2017.
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Kitamura, T. Ogawa, SK. [and] Roy, DS. [et al] (2017). Engrams and circuits crucial for systems consolidation of a memory. Science. April 7th 2017; 356(6333): 73-78.