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Monday, June 27, 2016

Exercise and Memory

How exercise improves memory
June 24, 2016

Exercise induces synthesis of a chemical called DBHB in the liver. In the hippocampus, DBHB induces Bdnf expression, which in turn has positive effects on memory, cognition and synaptic transmission. (credit: Sama F. Sleiman et al./eLife) 
The hippocampus in the brain switches to fat as an energy source after glucose is depleted from exercise), leading to release of BDNF, associated with cognitive improvement. Researchers have found out how.
Physical exercise after learning improves memory and memory traces if the exercise is done four hours later, and not immediately after learning, according to findings recently reported (open-access) in the Cell Press journal Current Biology. It’s not yet clear exactly how or why delayed exercise has this effect on memory. However, earlier studies of laboratory … more…

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