Old memories may hinder learning in adults

January 29, 2013 at 11:28 am Leave a comment

GRA Eminent Scholar Joe Tsien of Georgia Regents University and his collaborators have reported that the declining ability in adults to filter and eliminate old information may make it harder to learn and acquire new information.

“When you are young, your brain is able to strengthen certain connections and weaken certain connections to make new memories,” said Tsien, who is co-director of the GRU Brain & Behavior Discovery Institute.  This weakening appears to be hampered as people age.  “If you only make synapses [which carry information between neurons] stronger and never get rid of the noise or less useful information, then it’s a problem.”

In the study, the research team used genetically modified mice that mimic the adult ratio of two NMDA receptor subunits that regulate learning and memory.  Read more here>

Entry filed under: GRA Eminent Scholars, News.

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