Functional magnetic resonance imaging

results obtained in 2014 by Chuang et al. (frontal lobes vs parietal lobes) most probably result from using different cognitive tasks in the MRI scanner (SCWT vs the Flanker Task). It is significant, however, that the results obtained with the magnetic resonance correspond to the results of the neuropsychological examination. The asymmetry of inhibitory processes (which are needed for correct executive control) is reflected in poor performance in neuropsychological tests. Verbal…

MRI is a unique medical practice among other imaging methods because, unlike radiographs for example x-rays and ct scans and even radioisotope studies it does not use ionising radiation to create an image of the body this is good because if it does not use ionising radiation it will not have the effects that the radiation causes to the human body. But instead of using other means such as ultrasound to create an image it uses strong magnets and radio waves to create detailed digital images of the…

CHAPTER ONE 1.0 INTRODUCTION 1.1 Background of the Study Ultrasonography is an excellent modality for examining abdominal structures including the location and dimensions of canine kidneys (Remichi et al., 2014). It involves a non-invasive procedure for examination of kidney diseases (Sampaio and Araujo, 2002) and offers advantages over radiography as there are no side effects of radiation and contrast agents (Nyland et al., 1995). Canine kidneys are located in the retroperitoneal region of the…

For the purpose of this paper, and a full understanding of the topic discussed, immerse yourself in these circumstances, as if you are the patient. You are lying in a hospital bed, unable to move, wanting to talk to your mom as she talks by your side, but unable to speak. You listen to the nurse and doctor speak to your family as if you are not there, as if you cannot hear or understand each word. You are angry, you are frustrated, and you can't even make a sound. You are only able to exist…

to create images of body parts and organs for diagnostic purposes. The diagnosis from a radiographer’s image can affect, determine the treatment and care of a healthcare team. Wide ranges of imaging methods are used these include Ultrasound, X-ray, Fluoroscopy, Computed Tomography, Magnetic Resonance Imaging. Ranges of dyes or contrast agents are sometimes used to show…

several tests that could determine whether you have it or not. The first one is the Magnetic Resonance Imaging (MRI). MRI is a diagnosing tool that visualize the brain, spinal cord, or other parts of the body in a most sensitive non-invasive way.2 MRI is particularly useful in detecting central nervous system demyelination (removal of the myline sheet that protects nerve cell fibers). It is the preferred imaging method and a powerful tool to…

Interventional radiology is considered a specialized modality of radiology that deals mostly with invasive image-guided procedures. With advances in technology, interventional procedures can be performed on several areas of the body with success in conjunction with using live x-rays during exams. Cerebral aneurysms often can be in susceptible areas of the brain, and usually, are considered somewhat high risk in nature. The use of endovascular coiling can prove to not only be successful, but…

calcific tendonitis (Hodgson, O’Connor and Grainger, 2012). In addition, in ultrasound, operator experience and transducer frequency can markedly affect accuracy and it has an advantage over MRI because of the superior spatial resolution of ultrasound imaging (Hodgson, O’Connor and Grainger, 2012; Scott et…

technology of mapping the brain can predetermine irregularities in the brain such as frontal lobe damage (p.26). Computer axial technology (CAT) scans combine with information on X-Ray, and Magnetic resonance imaging (MRI) depicts a three-dimensional view of the brain in doing so, a very detailed image of the brain which illustrates areas within the brain that is damaged or diseased (Gaines and Miller, 2011, p.27). Furthermore, a positron emission tomography (PET) scan aids in researchers being…

The extensive recent research utilizing neuroimaging techniques to study pain in healthy subjects has many clinical implications for pain diagnosis and treatment. For the sake of brevity, this response will focus on fMRI (functional magnetic resonance imagining), a method that surveys changes in blood flow assumed to be reflecting alterations in neural activity and maps them to an anatomical representation of the patient’s brain (Borsook, Burstein et al. 2004). The culmination of several fMRI…