Aerobic Exercise, Hippocampal volume, and Spatial Memory

It has been know for some time that aerobic exercise and physical activity helps to increase cognitive function and perhaps delay onset of Alzheimer’s disease. A recent study provides some explanation for how this might occur.

It is known that deterioration of the hippocampus occurs as part of the aging process. The hippocampus (i) is the structure deep in the middle of the temporal lobe that helps to form new memories and spatial memory. Changes in the structure and function occur in the hippocampus with advanced age, chronic stress, and Alzheimer’s disease. In contrast, studies indicate an enriched environment that includes physical activity can lead to neurogenesis in the hippocampus.

A recent study by Erickson and colleagues (2009) investigated high versus low levels of aerobic exercise in non-demented older adults on volume of the hippocampus and on spatial memory. Results indicate that higher fitness levels were associated with larger left and right hippocampi and larger hippocampi and higher fitness levels were related to better spatial memory performance.

The authors assert that higher levels of aerobic exercise are related to increased hippocampal volume in older humans, which translates to better memory performance.

Dr. Nussbaum, Chief Scientific Officer of Fitbrains, Inc. presents a brain health lifestyle that includes physical activity .

4 thoughts on “Aerobic Exercise, Hippocampal volume, and Spatial Memory”

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  4. I have rad studies that were performed on to groups one group took a placebo and did not exercise and the other group took a supplement with exercise. The results matched exactly what you are pointing out here. Exercise is key to improving health especially in us older adults.

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