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Tuesday, May 26, 2015

Cell Memory Traces

Could Memory Traces Exist in Cell Bodies?

The long-held belief that memories are stored at synapses—the junctions between cells—may not be the full story

Credit: Allan Ajifo/Flickr
Once a memory is lost, is it gone forever? Most research points to yes. Yet a study published in the online journal eLife now suggests that traces of a lost memory might remain in a cell's nucleus, perhaps enabling future recall or at least the easy formation of a new, related memory.
The current theory accepted by neurobiologists is that long-term memories live at synapses, which are the spaces where impulses pass from one nerve cell to another. Lasting memories are dependent on a strong network of such neural connections; memories weaken or fade if the synapses degrade./.../

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