A new study published in Science sheds some light on how “memory disturbances” in an aging mouse brain are associated with altered “hippocampal chromatin plasticity” — the combination of DNA, histones, and other proteins that make up the chromosomes associated with the hippocampus. Specifically, the study describes an acetyl genetic switch that produces memory impairment in aging 16-month-old mice. Because the acetyl wasn't present in young 3-month-old mice, the study concludes that it acts as a switch for a cluster of learning and memory genes.
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The symptoms of "manganism" include behavioral and memory disturbances as well as Parkinson 's-like symptoms.
镁中毒症状包括行为、记忆障碍、以及帕金森样症状。
A memory capable of preventing a memory cell from disappearance of data resulting from accumulated disturbances is obtained.
由此，可以得到能够抑制由积累的干扰而导 致的存储器单元的数据消失的存储器。
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