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Introduction We all learn in Biology 12 that physical activity increases our cardiovascular fitness that increases cerebral oxygen consumption via blood vessels Moss and Scholey 1996 demonstrated improvements in memory with increase in level of oxygen supply to the brain before learning by oxygen administration One suggested mechanism was increase in cardiovascular fitness could improve our cognitive function Hill Storandt and Malley 1993 reported some studies which examined the effect of short-term exercise of two to four months on cognitive function but were not able to find significant improvement in cognitive performance It was suggested that their duration of exercise was not long enough to improve brain functions in order to maintain its performance Therefore Hill et al 1993 conducted an experiment on the effect of long-term exercise on psychological functions including memory in older adults However the statistically significant group difference in the memory test was due to a drop in the average score of the memory test in the control group whereas no improvement was demonstrated in the experimental group Nevertheless the deterioration of memory might due to the decrease of cerebral blood supply during aging in one-year time as some studies reported by Moss et al 1996 demonstrated a decrease in level of cerebral blood supply with age On the other hand the aerobic exercise might maintain the experimental groups memory and prevent the deterioration of their memory To avoid this factor young adults will serve as the subjects in the experiment as their rate of memory deterioration if there is any will not be high enough to affect the result and adjusted exercise duration of eight months will be used Other than that the subjects were not randomly assigned in the experiment of Hill et al 1993 The aim of this experiment and correlational research is to examine the impact of exercise on long-term memory in healthy young adults of age group19-25 Since exercise increases cardiovascular fitness which in turn increases
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