In word production. There was also a nonsignificant trend

the article, The Effects of Exercise and Body Armor on Cognitive Function
in Healthy Volunteers written by Aaron P.J Roberts and Jon C. Cole, the authors
asses the relationship between exercise (and body armor) and working memory. They
suggest there is a cognitive effect of exercise and body armor, specifically on
police officers. By gathering information and studies on police officers, it
was found that decision making was highly impacted by physiological arousal
such as fear, frustration and aggression. the article suggests the relationship
between cognitive processes and physiological arousal is reciprocal, for
example, a study where brain areas that work with cognitive processes were stimulated,
lead to changes in “attention, decision making and memory”. Vis versa, when physiological
arousal that results from exercise has shown to increase the processing speed
as well as decrease the reaction time. This is because as the physical activity
increases, there is an increase in cortisol levels. This article outlines a
study carried out to determine how exercising wearing a body armor affects
working memory. It is hypothesized that the physical demands will have an effect
on their cognitive processes.

this study, the independent variable is the physical tasks and the dependent variable
is the tasks which testes working memory. The objective was to test
participates of generating words beginning with certain letters. The article
suggests verbal fluency was a multifactorial task that involves the use of
storage and effective search processes, as well as using a digit backwards
test. The results were as follows; the number generated increases from trial 1
to trial 3, and trial 2 to trial 3 in Study one. According to the article, this
indicates wearing body armor and exercising affected cognitive processes in a beneficial
way. In fact, Table l shows the high exercise intensity significantly increased
the word production than the other conditions. However, wearing the body armor
condition had no significant main effect, indicating that wearing a body armor
has no impact in word production. There was also a nonsignificant trend between
trend, body armor and exercise that was discovered which indicates that wearing
body armor and exercising increased in nonexecutive cognitive functioning.,
meaning it was easier to produce words within the semantic realm rather than shift
to a new subcategory. For the digit backwards task, performance had increased
from trial 1 to trial 3 and from trial 2 to trial 3 for both of the studies. However,
no main effect was observed for trials 1 to 2, exercising and body armor for both
studies. This indicates that executive functions increased, and according to
the article, it can be explained by the complexity of the task, which allows
the participates to visually imagine and by doing so they are able to make the
tasks easier.

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article concludes by stating that physical demands of either wearing an armor
or exercising affects cognitive processes. When under high demand e.g. stress,
physical demand, wearing armors, etc.. , nonexecutive processes increase to
optimize performance. Based on the evidence found from this experiment, it is
clear that the hypothesis was supported.