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Insight creates new memories in the brain
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Insight creates new memories in the brain

Insight creates new memories in the brain
News

Insight creates new memories in the brain

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Scientists from Radboud University have visualized -- for the first time -- how the brain recombines memories of past events when these are complemented by new information. Their results are published in Current Biology.


We've all had that 'Aha!' moment when pieces of a puzzling problem seem to fall into place as we gain insight into a previously obscured solution. But what happens in our brains when we think 'Aha!'? That was the question that Branka Milivojevic, Alejandro Vicente-Grabovetsky and Christian Döller, researchers from the Donders Institute at Radboud University, sought to answer.


Sims for science

Branka and her colleagues used The Sims 3 life-simulation game to make animated videos of life-like events which they showed to participants whose brain activity was monitored using an MRI scanner. They found that after people realized how some events fit together into a story, the memories of those events were joined together -- just like pieces of a puzzle -- to form a new memory of the entire story. This effect could be seen in the hippocampus and medial prefrontal cortex: brain regions involved in memory for personal, autobiographical, events.


Recombining memories

This is the first time scientists have been able to visualize how the brain flexibly recombines memories of past events when new information comes to light. This research has important implications for knowledge acquisition in educational settings. It suggest that teachers can aid learning, not only by explicitly providing the context for new material as they already do, but also by pointing out links within previously learned material, thus eliciting reorganization of neural representations of knowledge and the accompanying formation of an integrated "big picture."


Note: Material may have been edited for length and content. For further information, please contact the cited source.

Radboud University   press release


Publication

Branka Milivojevic, Alejandro Vicente-Grabovetsky, Christian F. Doeller. Insight Reconfigures Hippocampal-Prefrontal Memories.   Current Biology, Published March 30 2015. doi: 10.1016/j.cub.2015.01.033


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