Stroke Leads To Aphasia Essay

1019 words - 5 pages

Imagine being unable to produce fluent language and coherent sentences all the while you believe you’re speaking words of eloquence and consistency. Patients with aphasia often experience these effects as results of a stroke. Aphasia is a disorder in the ability to communicate, use, and comprehend language. Each year, approximately 80,000 individuals suffer from stroke -based aphasia. However, what if there were treatments or perhaps a way to reduce the chance of someone acquiring this disorder? Many doctors have looked into strokes leading to aphasia and the results remain mixed and entirely unsure but there have been some experiments conducted to further this field of research.
A stroke occurs when blood is not capable of reaching certain areas of the brain. When brain cells do not receive the regular amount of blood, brain cells die off due to the lack of oxygen and nutrients that the bodies blood supplies. A transient ischemic attack occurs when blood flow to the brain is interrupted temporally and is then quickly restored. Patients who experience these attacks will sometimes develop their language abilities within hours or within days after loss.
The frontal and parietal lobes in the right hemisphere of the brain pertain to expressing and processing language. Stroke’s that damage this portion of the brain lead patients to experience the inability to produce and understand spoken language, written responses, and even the ability to read. However, a stroke occurring in any portion of the brain can also lead to aphasia. Particularly after stroke, patients experience a phenomenon known as Global aphasia. Global aphasia is the most severe type of aphasia and patient’s are usually unable to recognize any words and are not able to understand any type of spoken language.
A complete recovery from aphasia is possible, however, if symptoms persist for a long period of time, usually more than six months, a complete recovery is unlikely. The most common and useful approach to recovery is to use tasks, which involve patients having to speak or preferably sing out loud different words, songs, phrases, etc. However, there are some non-invasive techniques that are non-traditional and have been used such as transcranial magnetic stimulation, which involves depolarizing the neurons of that brain region with magnets whereas another technique having been performed is known as the transcranial direct current stimulation approach generally used for chronic stroke patients who acquire aphasia which require electrical shocks throughout the brains of the patients.
The Physical and Rehabilitation Medicine Institute, in Korea, conducted a study with eleven chronic stroke patients having aphasia. The experimenters used single anodal transcortical direct current stimulation (tDCS) over the left inferior frontal gyrus (IFG) and placed a cathodal electrode over the left buccinator muscle and vise versa to the right hemisphere. Also, they performed dual transcranial...

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