Friday, February 22, 2019
Aerobic Exercises act as Brain Boosters
M all newspapers, magazines and online names have in the past reported look for findings done by otherwise deal. For those people who may non be critiques, the information found from these media avenues may be thoroughgoing(a) sources of information, but for those that argon interested in verifying any given information, then studying the original research will be very vital. This is because the research reports in media may not provide finer details of methodology or other cautionary state ments that have been do by the researchers.This term paper makes a critical compendium of shaft J arts article on the CNNs website entitled ace boosters exercising your headway as you fester. Research oxidative Fitness Reduces Brain thread Loss in Aging humans The research entitled aerobiotic Fitness Reduces Brain T incommode Loss in Aging Humans was conducted to examine the relationship surrounded by aerophilic fitness and heading wavers in an old adult population (Colcom be ET al, 2003). The research was important in that the head starts losing tissues as one gets elder which in turn makes the cognitive motion to decline.This tin flowerpot enable measures that can reduce costs related to to gerontological c atomic number 18 put in place. This may be done by coming up with mechanisms that can be used to reverse or reduce this outlook deterioration. The research was too done to either establish or refute the previous researches that suggested that aerophilic fitness training does advance the cognitive function of old people and that it can improve the ace health of ripening animals tested in the laboratory (Colcombe ET al, 2003).The targeted population was do up of older adults in the community who were over lambert fivesome years, were right handed, high functioning, and had been recruited for public fliers, campus wide e-mailings and newspaper advertisements (Colcombe ET al, 2003). Those who were excluded were those that were below th e express age, got less than twenty in Mini-Mental State Examination and had a autobiography of organic thought dysfunction and stroke. Also the participants were excluded if the reported claustrophobia or had pacemakers or metallic implants, this was done for safety reasons pertaining to magnetic resonance im maturation setting.The respondents were also to get written approval letters from their doctors so that they can abide the cardiovascular stress test. The research was approved by the University of Illinois Institutional suss out Board in addition to the researchers meeting ethical standards that were relevant (Colcombe ET al, 2003). The for the first time part of the research methodology was to measure the gray and white matters of the card from the Magnetic Resolution (high density) images and then the estimates of the maximal oxygen uptake (V O2max).The brainiac images were taken victimization three dimensional spoiled gradient sequences on a General Electric scann er. The Rockport 1-mile walk protocol was used to rate the participants cardiovascular fitness. The impact of cardiovascular fitness on brain tissue differences in density that are age related was accessed using a voxel-based morphometric technique. The technique is expedient in that it provides a factor of estimating tissue atrophy in the entire brain with spatial final result that is high which then allows conclusions of the variables on brain matter change (Colcombe ET al, 2003).Before analysis was done the images were taken through different preprocessing stages. First the tissues that are non brain were removed from the image of the head of the participants. The other three images were divided into three maps to represent the density of the white matter, the grey matter and the cerebrospinal fluid. tout ensemble the images were then examined by experts who did not have prior information of the participants fitness so that they could be objective in their calibration (Colc ombe ET al, 2003).Though sixty individuals had verbalized their interest to participate in the study, litre five were eligible to complete both faces due to the fact that three were younger one psyche had an implanted pacemaker, eight had claustrophobia and one scored less MMSE score. The participants were aged between fifty five and seventy nine years specifying that the age mean score was 66. 5 years. Generally the sample was 44. 4 percent men many being well educated (average 16. 1 years in education). The results showed that the white matters of the brains were being muddled as one continued aging.Also, those regions that are mostly affected by aging are the ones that showed the greatest advantages of aerobic fitness. Fitness according to the results plays the role of moderating decline in tissue density that is related to age. The results showed that tissue densities in the parietal, frontal and temporal cortices of the brain reduce as the aging process progresses. Also it was found that the losses were reduced by the cardiovascular fitness function even when other variables were controlled (Colcombe ET al, 2003).The research was very important as it was a confirmation that in that respect is a relationship between cardiovascular fitness and the degeneration the fact that had previously been hypothesized. There was also the confirmation that cardiovascular fitness shield and enhancement of the cognitive function in the older adults has a biologic basis. This is a justification of the other studies that had shown that taking antioxidant supplements could reverse aging in older brains cognitive training could assist in the preservation of brain function.The research report also suggest that there are aerobic moulds benefits that go beyond health markers (cardiovascular) which can even affect the brain (Colcombe ET al, 2003). Synopsis of the article In the CNNs article online that is entitled Brain boosters Exercising your mind as you age, there are some research issues that the former, turncock Jaret has handled. He states that the researchers have established that physical and mental activities cling to ones memory and helping him or her stay prompt (Jaret, 1999).He also refers to the previous researches stating that the speed of brain processing does slow chain reactor as one continues to advance in years and also that between the age of twenty five and fifty five people can loose about(predicate) twenty five percent of their synapses (connections which relay messages between neurons). Also that the older people experience problems in coming up with either numbers or names this being because memory takes more(prenominal)(prenominal) time in retrieving the entropy.He also mentions Robert Dustmans article in 1990 that states that those people who are aerobically fit are better in staying bracing and pay attention or even in remembrance of information. He quotes the director of gerontology at the University of Texas who states that two physical factors are the ones that predicts the act (on tests of information processing) of a person. The author gives the reason why aerobic fitness affects the brain precisely because exercises allow blood vessels to remain open and the meat to remain potent, thus allowing the brain to function properly since the nutrients can clench the brain cells.He states that neurons that make two percent of the total body load use about one quarter of the oxygen and glucose intake by the body. Exercises also allow parts of the balance and movement that keep the connections of the neurons strong (Jaret, 1999). Jaret (1999) also mentions the researches that found out that mental gymnastics are useful in the preservation of brain power. He cites the research by Meyer who record his research findings in the Journal of the American Geriatric Society in 1990 stating that blood flow for those who have allowed their minds to be inactive declines.The author mentions the 1998 issue of Neuroscience where the researchers found that brain cells can reproduce the study that was done using rats. He also mentions Robert Goldmans suggestions on the ways one can develop brain connections that are underused. First, one can play games that rent thinking, memorize poetry and verses, reading articles and books that are challenging and finally direct in practices that are regarded as complex or difficult (Jaret, 1999).Critique of the hold Studying the article, it is clear that the author had done enough research in the beginning he decided to submit it for publishing. This is because many of the research findings that he mentions are either preceded or followed by their authors or the sources from where the information had been gotten. Information about the speed of brains processing slowing with the advancement of age had already been proved in the researches by Colcombe ET al.Other claims that the author has made and that are verified by the findings of this res earch include the percentage of the synapses that are lost as age progresses, between the age of twenty five and fifty five and that exercises keeps the blood flowing to the brain cells facts that are also mentioned in the British Journal of Sports Medicine. When he states that mental gymnastics can relieve brain power he aggress with the research done by Marks Et al (2007) entitled Role of aerobic fitness and aging on cerebral white matter integrate. Despite the researched facts that the writer of the article has given, there are details that he has not given the readers peradventure because of the space limit allowed in the media publications. The methodology used by the researchers has not been indicated and other important details such as research designs, data collection methods, and the variables. This makes the readers unable to get the final details of the researches. This however does not at any form mislead the reader as the author was careful to cite the sources of the information that he has written.Conclusion In conclusion, it is clear that Peter Jaret article was well written, citing the sources from where the information has been retrieved. However, the article could have been made more informative by giving finer details of the original researches that were conducted. REFERENCES Colcombe, J. et al (2003). Aerobic fitness reduces brain tissue loss in aging humans. The Journal of Gerontology Series Biological Sciences and Medical Sciences, 58M176- M-180. (2003). Aerobic exercise training increases brain volume in aging humans. The Journalof Gerontology Series A Biological Sciences and Medical Sciences, 611166-1170. Erickson, K. , Kramer, A. (2008). Aerobic exercise effects on cognitive and neural plasticity in older Adults. British Journal of Sports Medicine, 4322-24. doi10. 1136/bjsm. 2008. 052498 Jaret, P. (1999). Brain boosters Exercising your mind as you age. Retrieved March 12, 2009, from http//archives. cnn. com/1999/HEALTH/aging/12/15/ brain. boosters. two. weapon of mass destruction/index. html Marks, B. Et al. (2007). Role of aerobic fitness and aging on cerebral white Matter Integrity. New York New York Academy of Scienc
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment