Erikson and colleagues (2009) were interested in whether aerobic exercise had any effect on the volume of the hippocampus, a key brain structure related to memory. To assess this, they had older adults

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The research by Erikson and colleagues (2009) focused on the effect of aerobic exercise on the volume of the hippocampus, suggesting that a motorized treadmill would have been the best option for this type of exercise as it is commonly used for aerobic exercise and can be adjusted to ensure a consistent level of intensity. Playing basketball or swimming laps may provide aerobic exercise, but they may not be consistent or controlled enough for this study's purposes. Taking yoga classes, while beneficial for flexibility and relaxation, may not provide enough aerobic exercise to have an impact on the volume of the hippocampus.

Erikson and Colleagues (2009) Were Interested in Whether Aerobic Exercise