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Corpus callosum parts
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Purpose As the largest fiber tract in brain, corpus callosum (CC) constitutes the major connection between two hemispheres of brain. Several lines of evidence indicated that midsagittal plane of CC is affected in patients suffering from Multiple sclerosis (MS). To find probable morphologic changes in CC segments in MS, magnetic resonance imaging (MRI) was used.
Materials and Methods: In this line, we analyzed brain MRI images of 54 MS patients compared to 128 healthy individuals MRI images by PmsDViewer software. Data were analyzed by Student’s t-test statistically.
Results: MRI morphometric analysis indicated that the proportion of total area of rostrum and genu to the total area of CC (ARG/ACC ratio) significantly increased in MS patients
compared to control subjects, whilst the ratio of area of anterior midbody of CC to the total area for CC (AAMB/ACC ratio) notably decreased in the group suffering from MS. Moreover, obtained data revealed that ratio of area of other segments of CC including posterior part of CC, isthmus and splenium to total area of CC showed no significant changes in comparison with healthy volunteers. Conclusions: These findings suggest that the correlation between abnormalities of anterior portion of CC and MS could be considered as a marker for MS diagnosis
11. Through the shift from first to third person and vice versa the technique strengthens his essay. With Gould’s usage of nouns and pronouns which refer to himself, the audience's attention is directed to that idea or concept. Provided that the essay had instead just been in third person, the monotony would have been too overbearing to target and decipher the real purpose. Using first person adds in his personal aspect about this research, ultimately making him seem more relatable and understanding, instead of just the
Multiple sclerosis (MS) is a disease affecting the myelination of the central nervous system, leading to numerous issues regarding muscle strength, coordination, balance, sensation, vision, and even some cognitive defects. Unfortunately, the etiology of MS is not known, however, it is generally thought of and accepted as being an autoimmune disorder inside of the central nervous system (Rietberg, et al. 2004). According to a study (Noonan, et al. 2010) on the prevalence of MS, the disease affects more than 1 million people across the world, and approximately 85% of those that are affected will suffer from unpredictably occurring sessions of exacerbations and remissions. The report (Noonan, et al. 2010) found that the prevalence of MS was much higher in women than in men, and that it was also higher in non-Hispanic whites than in other racial or ethnic groups throughout the 3 regions of the United States that were studied.
A growth mindset is the belief that you can learn anything you want without a limit. You will not give up and face any challenge in life until you overcome it. A fixed mindset is the belief that you can learn till you reach a certain point. Also, that you will not succeed in life and as soon as you come across a tough challenge you will let it bring you down and won’t ever get back up or face that challenge. Since reading “Brainology” by Carol Dweck, I discovered that I have a growth mindset and fragments of a fixed mindset my whole life.
Multiple sclerosis (MS) is generally thought to be an autoimmune disease that attacks the myelin sheaths, or oligodendrocytes that cover nerve axons in the central nervous system (PubMed Health 2013). This immune response causes inflammation, which triggers immune cells to destroy axons “along any area of the brain, optic nerve, and spinal cord” (PubMed Health 2013). When the myelin sheath “is damaged, nerve signals slow down or stop” thus hindering the propagation of action potentials and limiting function (PubMed Health 2013).
Multiple sclerosis - is an autoimmune disorder that affects the central nervous system including the spinal cord and brain.
According to National Multiple Sclerosis Society, Multiple Sclerosis (MS) is an unpredictable, often disabling disease of the central nervous system (CNS) that disrupts the flow of information within the brain, and between the brain and body. The central nervous system (CNS) comprises of the brain and the spinal cord. CNS is coated and protected by myelin sheath that is made of fatty tissues (Slomski, 2005). The inflammation and damage of the myelin sheath causing it to form a scar (sclerosis). This results in a number of physical and mental symptoms, including weakness, loss of coordination, and loss of speech and vision. The way the disease affect people is always different; some people experience only a single attack and recover quickly, while others condition degenerate over time (Wexler, 2013). Hence, the diagnosis of MS is mostly done by eliminating the symptoms of other diseases. Multiple sclerosis (MS) affects both men and women, but generally, it is more common in women more than men. The disease is most usually diagnosed between ages 20 and 40, however, it can occur at any age. Someone with a family history of the disease is more likely to suffer from it. Although MS is not
Firstly, there is various of sensing activities as in seeing and hearing as in a sense of understanding of what is seen and heard. Secondly the sense of feeling in numerous parts of the body from the head to the toes. The ability to recall past events, the sophisticated emotions and the thinking process. The cerebellum acts as a physiological microcomputer which intercepts various sensory and motor nerves to smooth out what would otherwise be jerky muscle motions. The medulla controls the elementary functions responsible for life, such as breathing, cardiac rate and kidney functions. The medulla contains numerous of timing mechanisms as well as other interconnections that control swallowing and salivations.
The Dana Foundation, 2013. Cognitive Impairment in Multiple Sclerosis [online] Available at: < http://www.dana.org/news/cerebrum/detail.aspx?id=39986> [Accessed 06 December 2013].
Multiple sclerosis is a chronic disease of the central nervous system. It is understood as an autoimmune disease, a condition where the body’s immune system mistakenly attacks normal tissues. In Multiple Sclerosis, the patient’s own cells & antibodies attack the fatty myelin sheath that protects and insulates nerve fibres in the brain and spinal cord, the two components of the CNS. This ultimately causes damage to the nerve cells and without the insulation the myelin sheath provides, nerve communication is disrupted. Hence, Multiple Sclerosis is characterized by symptoms that reflect central nervous system involvement (Luzzio, 2014).
Multiple sclerosis is an autoimmune disease that involves the different areas of the central nervous system, the brain, and spinal cord. It damages the myelin sheath, the material that surrounds and protects the
Multiple Sclerosis (MS) is a complicated chronic deteriorating disease that has an effect on the central nervous system (CNS). This disease causes destruction of the myelin around the nerve fibers. “The exact etiology of Multiple Sclerosis is unknown; however, it is thought to be an immune mediated disease. MS is characterized by CNS inflammation, demyelination, and axonal loss” (Compston & Coles, 2008). Typically, it is described by early relapses and remissions of neurological signs of the CNS. This is known as relapsing-remitting MS (RRMS). MS can be identified by a variety of known risk factors. Multiple Sclerosis can be brought on by a mixture of inherited and environmental risk factors such as smoking or an exposure to a virus like Epstein Barr. The inflammatory process has an interesting role on the central nervous system.
Multiple Sclerosis is a nervous system disease that affects the spinal cord and the brain by damaging the myelin sheaths that protects nerve cells. Destroyed myelin prevents messages from communicating and sending properly from the brain, through the spinal cord, to internal body parts. In the United States, more than 350,000 people are diagnosed with this disease. Anyone can get this disease, but it is more common among Caucasian women. MS symptoms begin between the ages 20-40 and are caused by nerve lesions being present in multiple areas of the Central Nervous System, symptoms differ on the lesion’s location.
Previous studies that have researched the functions of the cerebellum have focused on investigating individuals that have damage to their cerebellum, such as was the case with the Phineas Gage’s frontal lobe study that proved that the frontal lobe served an important role in personality and behavior. Recent studies have had the advantage of new technologies that could significantly aid in identifying whether or not the cerebellum plays a role in specific functions, these include functional imaging techniques such as fMRI and PET imaging, and these recent technological advances have paved the way for new studies that focus on brain region activation. This new method in researching the cerebellum has created new hypotheses for the functions of this crucial brain region, which include but are not limited to cognitive and perceptual functions as well as the already examined motor functions.
Sullivan, S. J., Hammond-Tooke, G. D., Schneiders, A. G., Gray, A. R., & McCrory, P. (2012). The diagnostic accuracy of selected neurological tests. Journal of Clinical Neuroscience, 19. 423-427. doi:10.1016/j.jocn.2011.09.011
The nervous system plays a major role in co-ordinating and controlling the body’s activities. It is made up of billions of nerve cells. These cells are linked to form a massive communications network. Nerve cells carry messages in the form of electrical impulses. These impulses are carried at high speed around the body to keep it safe and functioning normally. Multiple sclerosis (MS) is a disease which progressively injures the nerves of the brain and spinal cord. Injury to the nerves in multiple sclerosis may be reflected by alterations of virtually any sensory or motor (muscular) function in the body.