...Nuclear Magnetic Resonance Explain how the NMR works, analyzing it's strengths and weaknesses, and discussing any ral world applications it may have. All the information founded was based in a careful research from the question above. The research about Nuclear Magnetic Resonance was made with very reliable sources that are trustworthy webpages which guide me, help me and explain me all about the theme, how does it happened, how it does work, and what they use it for, helped me write this paper. The intellectual and scientific contribution were a turning point in the construction of the modern world. Destroying the medieval world view and discarding the idea of divine purposes, modern science starts to examine the physical nature through mathematical relationships and chemical compositions Word Counted:125 Nuclear Magnetic Resonance Introduction: The nuclear magnetic resonance NMR abbreviation is an...
Words: 1295 - Pages: 6
...Scientific Article 1 Intro to Psychology Risk-takers are smarter according to new study In a recent study using functional magnetic resonance imaging (fMRI), images taken of the brains of young men revealed major differences in what is called “white matter” between two separate groups of participants. The University of Turku in Finland under the direction of SINTEF claims young men that make quick decisions in risky situations have a highly developed neural network and are “smarter” than low risktakers. First each participant was given a personality test to assess the risk-taking propensity and susceptibility to peer influence. By doing this the researcher was able to separate the 17 right-handed, 18-19 year old males into two groups, high and low risk takers. The two groups reported to the Department of Radiology of the Turku University Hospital for two practice sessions. During the sessions they were shows a driving game with sets of 20 stop-light intersections. They learned how to play the game and then reported back for four testing sessions in an MRI scanner. The first two sessions were performed under a non-competition social setting and the last two sessions by surprise were under social pressure of a peer competition situation. Measurements were taken of the participants at each moment that decisionmaking took place wether to stop at the yellow light or try and make it through. Results showed that high risk-takers didn't hesitate for long before they...
Words: 599 - Pages: 3
...processes that are represented in fMRI images (what activity in the brain is actually being observed?). Functional magnetic resonance imaging measures brain activity. It works by detecting the changes in blood oxygenation and flow that occur in response to brain activity by detecting the areas that consume more oxygen and to meet this increased demand blood flow increases to area. Due to this fact fMRI can be used to produce brain maps showing which parts of the brain are involved in a particular mental process. C. (10 pts) Draw a curve that represents blood glucose concentration over time after a person eats a donut. Clearly mark the regions of the curve that are dominated by (a) glucose, (b) insulin, and (c) cortisol. You do not need to show actual numbers or units for glucose concentration, but approximate the timing for the curve (i.e. does it take minutes for the curve to increase or decrease? Hours? Days?). Give the plot a title and axis...
Words: 1321 - Pages: 6
...The role of Magnetic Resonance Imaging (MRI) in Diagnoses of Pituitary Gland Name: Institution: The role of Magnetic Resonance Imaging (MRI) in Diagnoses of Pituitary Gland The pituitary gland is an important part of the body because it controls several hormonal glands such as adrenals and the thyroid. The gland is a nearly the size of a pea and has two parts referred to as the lobes (Maya & Pressman, 2010). The front part is the anterior pituitary while the back part is the posterior pituitary. The pituitary gland is part of a bony hollow called the pituitary fossa behind the bridge of the nose and below the brain’s base near the optic nerves. Maya and Pressman (2010) add that the pituitary gland is the most important part of the system because it produces hormones controlling the functions of other endocrine glands. The most common problem occurring in the pituitary gland is the development of a benign growth or tumor. The tumor causes the gland to secrete excess hormone, blocks its production or causes it to malfunction. Other causes of pituitary disorders include traumatic brain injury and pituitary infarction. Although pituitary disorder are able to alter quality of a person’s life significantly, medical or surgical treatment is available where efficient diagnosis is made. The present study investigates the role of imaging modalities in the evaluation of pituitary gland disorders. Particular emphasis is laid on the role of Magnetic Resonance Imaging (MRI) in diagnosing...
Words: 3420 - Pages: 14
...encompasses a variety of issues that all medical professionals, including medical imaging technologists must ultimately tackle. When considering ethics, medical imaging professionals need to take into account their responsibilities to patients, colleagues, employers, the imaging profession, and themselves. This interview will review these responsibilities with respect to medical imaging and the challenges that imaging technologists may face in approaching their work from the perspective of ethics. The American Registry of Radiologic Technologists (ARRT) has developed a Standard of Ethics in which radiologic technologists have to abide by. With the continual invention and improvement of lifesaving medical technology also comes the burden of ethical decision making. Radiologists today face more ethical issues than meet the eye. 3 N.C is a 29 year old female graduate from St. John’s University in Queens, New York. She graduated five years ago with her Bachelors of Science in Radiology. N.C is now a registered Radiologic Technician and has also furthered her education in Magnetic Resonance...
Words: 1562 - Pages: 7
...The human body is an extremely complex system. Getting data about its static and dynamic properties gives massive amounts of knowledge. The use of images is the most effective way to manage, present and interpret the vast quantities of that information in the clinical medicine and in the supporting biomedical research compare to the CT MRI is having superior contrast properties and important in diagnosis imaging techniques for early abnormalities of brain and used to study the changes in tissues and organs so many of the researchers are used to study the Magnetic resonance imaging (MRI) anatomical structure of brain is more important, analysed by segmenting human brain macroscopic structures used for analysing brain disorders and to understand the brain...
Words: 807 - Pages: 4
...“In-Depth Mobile Radiology” - A Marketing Plan Background IN-DEPTH MOBILE RADIOLOGY is a new medical staffing and mobile diagnostic company that caters to medical facilities that are in need of our services. Our company provides a couple of types of service who are in need of diagnostic machines or technologists. The first type of service is acquiring trailer truck based mobile MRI or CT scanner machines or providing ultrasound and mobile x-ray machines. The market is open for medical facilities, nursing homes or rehabilitation centers that do not have their own diagnostic equipment and instead of purchasing their own machine that cost so much our company can offer our services to bring our mobile machines into their facilities parked outside gets all their procedures done for the cheapest price possible. The second type of service is staffing for surgical centers or medical facilities providing technologists that would operate the advanced fluoroscopic x-rays, CT scans, MRI, ultrasound, bone density and other medical diagnostic equipment that needs a certification to operate. Most medical facilities have procedures daily but not all of their cases need x-ray, so it would be best for them to hire a temp rather than have a regular tech. IN-DEPTH MOBILE RADIOLOGY will base its main facility in the area of Palm Springs and Indio California by the 10 freeway for easier access to walk in clients. After surveying the area of southern California, we found that the Palm Springs...
Words: 3217 - Pages: 13
...12 Step Critique 1. What study report is this? (Record a full reference citation.) Luke, A.C., Stehling, C., Stahl, R., Li, X., Kay, T., Takamoto, S., … Link, T. (2010). High-field magnetic resonance imaging assessment of articular cartilage before and after marathon running. The American Journal of Sports Medicine (38, 11), p. 2273-2280. doi: 10.1177/0363546510372799 2. Purpose and general rationale. What was the general purpose of the study? What questions does it raise? The objective of this study was to investigate the effects of long-distance marathon running on articular cartilage biochemical composition using high-field quantitative MRI. It raises the question of effects long-distance running has on the articular cartilage immediately and distantly after running a marathon. 3. Fit and specific rationale. How does answering the research question(s) add something new to what is already known? If the study is a replication, why is that important? The study is capable of getting better results than the previous studies in this area because the researchers had higher quality MRI’s to look at the T1 and T2 markers. 4. Participants. Who or what was studied? (Number and key characteristics) Ten marathon runners between the ages of 18-40 years old. Criteria for the runners were 1) no more than 3 marathons run previously, 2) no marathons run in the past 4 months, 3) no history of knee pain (less than 1 month of knee pain in any given year), 4) no decrease...
Words: 742 - Pages: 3
...information is stored along with patient identifiers in a database that he keeps on his laptop computer. His laptop is stolen. This incident constitutes: Your answer : An invasion of privacy. Correct Answer : A breach of confidentiality. Comment : Privacy is about people and their expectations. Privacy risk pertains primarily to the methods used to obtain information about subjects. Confidentiality pertains to the actual treatment of the personal information once it is obtained. In other words, now that the researcher has obtained private information, how will it be used, stored, and reported. Clearly, this event represents a breach of confidentiality. Points Earned : 0 Question 2 Question : A researcher wants to conduct a secondary analysis using a Centers for Disease Control and Prevention (CDC) database that was collected by the agency solely for surveillance purposes from 1996-2006. The researcher did not participate in the initial collection of the data. The database is publicly available. The database does not include any identifiers. The IRB makes a determination that the individuals whose records will be reviewed do not meet the federal definition of human subjects. Which of the following considerations was relevant to the IRB's determination that this activity does not constitute research with human subjects? Your answer : The researcher will not be interacting/intervening with subjects and the data has no identifiers. Correct Answer : The researcher will not...
Words: 733 - Pages: 3
...“Critically consider how advances in fMRI scanning have contributed to our understanding of the systems, processes and functions of human memory.” Introduction: The aim of this essay is to critically consider the advances in fMRI scanning to our understanding of the systems, processes and functions of human memory. fMRI (functional magnetic resonance imaging) is a functional neuroimaging procedure using MRI technology that measures brain activity by detecting associated changes in blood flow. We are going to explore these three areas in depth, finding support and critiques for each one. As this is a big debate in neuropsychology there are several theorists supporting this debate and also critiques that have different views on this subject. Memory is the process in which information is encoded, stored, and retrieved. Encoding allows information from the outside world to reach the five senses in the forms of chemical and physical stimuli. Without a memory of the past we are unable to operate in the present and think about in the future. Henson 2006 used fMRI to compare single and dual processes of recognition memory. According to single processes items that are presented and remembered compared to those that are seen familiar (knowing) differ only in memory strength. However dual processes state that the ‘remember’ and ‘know’ judgements are qualitatively different as they rely on two distinct memory processes. Therefore Henson 2006 argued that any qualitative fMRI data between...
Words: 992 - Pages: 4
...supervised classification (SC). In this paper we approached an algorithmic method that aims to combine UC and SC, where the information obtained during UC is not discarded, but is used as an initial step toward subsequent SC. Thus, the power of both image analysis strategies can be combined in an integrative computational procedure. This is achieved by applying “Hyper-BF network”. Here we worked a different procedures for the training, preprocessing and vector quantization in the application to medical image segmentation and also present the segmentation results for multispectral 3D MRI data sets of the human brain with respect to the tissue classes “ Gray matter”, “ White matter” and “ Cerebrospinal fluid”. We correlate manual and semi automatic methods with the results. Keywords: Image analysis, Hebbian learning rule, Euclidean metric, multi spectral image segmentation, contour tracing. Introduction: Segmentation can be defined as the identification of meaningful image components. It is a fundamental task in image processing providing the basis for any kind of further highlevel image analysis. In medical image processing, a wide range of application is based on segmentation. A possible realization of high-level image analysis principle is the acquisition and processing of multisprectral image data sets, which forms the basis of the segmentation approach. A good survey is provided by the list of citations published in [1] that may serve as a good...
Words: 2010 - Pages: 9
...Trust unites us Annual Report 2012 siemens.com/answers Company Report 2012 What sets our integrated technology company apart Introduction – page 1 Proximity How Bangalore’s new airport is driving progress across an entire region Global presence – page 8 Ideas How our Biograph mMR scanner is enhancing patient care Technology and innovation – page 20 Strength How efficient technologies are shaping the future of energy Portfolio management – page 34 Networking How intelligent IT solutions are creating unimagined value Cross-business activities – page 54 Diversity How our employees’ wealth of experience is inspiring us Employees and management culture – page 66 How our strategy is pointing the way to the future One Siemens – page 78 COVER PHOTO – James D. Palasek and Amber Sherman, two of the 370,000 Siemens employees working together in our global network of trust. To learn more, please see: SPECIAL REPORT: DIVERSIT Y, PAGES 66-75 When a new international airport is being planned, when a doctor recommends a treatment to a patient, when political leaders and society want to ensure reliable energy supplies for the future, when a company wants to offer tailor-made service solutions, when the development of innovative products demands the creativity, experience and dedication of a wide range of experts, that’s when tough decisions have to be made – far-reaching decisions based on a strong sense of responsibility. The success...
Words: 83405 - Pages: 334
...MR imaging of the knee in marathon runners before and after competition A study was done to evaluate the findings in MRI-studies of the knee in recreational long-distance runners after competition and to assess the reversibility of the findings. The study consisted of eight long-distance runners and they underwent MRI studies before they ran and after. They participated in the Vienna City Marathon and MRI was taken place after 6-8 weeks. They were evaluated before in order to determine if there was a pre-existing condition. However, if a participant had any pre-existing condition they were still accepted to be a part of the research study. The participants were male and the age ranged from 27- 46 years old. They also had a long history of running at least 5 to 20 years. Before the competition started there were three runners that presented normal lateral menisci. There was eight grade I lesions; four grade II and three grade III lesions. “One participant who underwent resection of the posterior horn of the lateral meniscus 15 years previously and presented with a graded IIIB lesion of the posterior horn of the lateral meniscus in the other knee. After running there was no signal alteration that graded differently from the initial findings”. The MRI scans of those participants that were healthy before the race with no previous muscle injuries, after the marathon the MRI scans proved that no negative long-term-effects were experienced. In contrast, those that previously...
Words: 306 - Pages: 2
...ARTIFICIAL INTELLIGENCE: BRAIN CHIPS When you think about Artificial Intelligence what thought first comes to mind. Robots maybe, would we ever think about Brain Chips being implanted into human brains? Sure, but how will Brain Chips plays a major role medically in are world’s future? In are near future, while we sleep they will transmit data directly from are brain to the computer and not miss a wink of sleep. Computer Interface is only the tip of the iceberg. Brain chips when they are implanted in right shot of the brain will help a person with hearing loss regain their hearing. Artificial Vision such as Retinal Prosthesis or Bionic Eyes well helps the blind to regain the sight that was once lost or never had. Brain Stimulation Systems will help people with Parkinson’s disease to alleviate tremors and movement disorders that are associated with this disease. BSS is also being tested to help the people with paralysis regain the use of their limbs again and it is being tested in people with severe Depression, (OCD) Obsessive-Compulsive Disorder, Tourette syndrome, chronic pain sufferers, and other mental disorders. Bradley Greger, PhD said, “Chips may one day enable brain-native internet browsing or most any other function currently possible with a computer.” Brain-Computer Interface Will we need a keyboard or mice to input information into are computers in ten or twenty years from now? Cognition Enhancement is in your future and is being researched and tested as we speak...
Words: 1681 - Pages: 7
...seeking care. The value of a new medical technology is determined by supply and demand (Getzen, 2007). Diagnostic radiology is a prime example of the value being determined by both supply and demand. As radiologic imaging advanced from two dimensional x-ray images to three dimensional ultrasound images, magnetic resonance imaging (MRI), and Computed tomography (CT) providing better image quality and increased accuracy of diagnoses, the demand for these services rose. Statistics show that from 1996 to 2006 the frequency of radiology imaging increased nearly 60%, from 61 million studies to 99 million (Klein, 2008). This significant increase in use is directly related to enhance image quality used for diagnosis. This figure will continue to rise as more baby-boomers use these services to diagnose potential health issues that can be determined through radiologic imaging. This paper will discuss the demand and supply of outpatient radiologic imaging centers within the United States health care industry. Outpatient Radiologic Imaging Statistics indicate the growing use of radiologic imaging for diagnosis of health ailments. This demand has created a strain on the ability of hospitals to adequately supply all patients with access to diagnostic radiologic imaging without delay. This...
Words: 1236 - Pages: 5
