Functional magnetic resonance imaging

Sort By:
Page 1 of 50 - About 500 essays
  • Decent Essays

    not require radioactive injections, its total scan time is usually very short, and it is suitable to assist in a neurosurgical treatment plan for specific individuals (Columbia University, 2010). In the past few years the use of functional magnetic resonance imaging has exploded and it has really over-flooded the market in terms of its applicability. There are a multitude of companies that are really pushing this technology for many different uses such as replacing the polygraph, using it to make

    • 1237 Words
    • 5 Pages
    Decent Essays
  • Decent Essays

    Functional magnetic resonance imaging, or fMRI, is a technique used to measure brain activity. fMRI works by detecting changes in blood oxygenation and blood flow that occurs in response to neural activity. An area in the brain generally consumes more oxygen when its nerve cells are more active, and to meet this increased oxygen demand, blood flow increases to the active area. For example, reading would cause the left cerebral hemisphere to be more active and thus the fMRI would detect blood oxygenation

    • 1303 Words
    • 6 Pages
    Decent Essays
  • Better Essays

    Kerri Walter Professor Jared Medina Honors Cognition 4/18/17 Kanwisher 1997 1. With what question(s) is/are the author mainly concerned? The author of this paper prefaces their findings with a lengthy list of similar arguments and studies related to the question they’re setting out to solve. Generally, these studies all provide evidence that face and object recognition are carried out by different processes in the brain in different specialized areas. The author of this paper wanted to dive into

    • 1036 Words
    • 5 Pages
    Better Essays
  • Decent Essays

    The idea of functional Magnetic Resonance Imaging (fMRI) is blood oxygen level dependent (BOLD). Functional Magnetic Resonance Imaging (fMRI) is a technique used to visualize brain activity by detecting changes in blood flow. fMRI creates images of physiological activity correlated with neuronal activity. The idea of BOLD relies on the fact that, a certain activated area in the brain requires increased blood flow. The blood entering the area is oxygen enriched (oxygenated hemoglobin) and results

    • 858 Words
    • 4 Pages
    Decent Essays
  • Decent Essays

    can’t be altered. Recently, fMRI imaging has come forth as a Protector of the mental capacity to assess deception and discriminate dishonesty from actuality. The future of the courtroom seems endangered with the over persuasiveness of this neuroscience data. How does fMRI work? Functional magnetic resonance imaging (fMRI): is a technique that directly evaluates the blood flow to the brain, thereby providing information

    • 1010 Words
    • 5 Pages
    Decent Essays
  • Satisfactory Essays

    nih.gov/pmc/articles/PMC2596698/) There are many different methods used to capture information on brain structures and functions. The three most commonly used measures are functional Magnetic Resonance Imaging (fMRI) which detects changes in blood flow associated with neural activity. Magnetoencephalography (MEG) captures magnetic fields generated by neural activity. Electroencephalography (EEG) which is used to measure electricity in the brain generated by neuron firing. Out of these three methods

    • 607 Words
    • 3 Pages
    Satisfactory Essays
  • Decent Essays

    Essay Assignment II Nov. 28th, 2012 Discuss whether the functional Magnetic Resonance Imaging (fMRI) is a new form of “phrenology”. Is it reliable enough to be used as evidence in court? After fMRI was first introduced, it has been under criticism that it is not hard science. The most common technique, the BOLD (blood oxygen level-dependent) fMRI, measures the increase in regional cerebral blood flow in response to increased metabolism, which is to be caused from heightened activity of neuron

    • 834 Words
    • 4 Pages
    Decent Essays
  • Better Essays

    Brain Imaging Techniques Duane Perrin Eastern Oregon University 11/11/2016   Since the beginning of time people have been trying to understand what is going on inside our heads. With the development and continuous advancement of brain imaging techniques it has become possible to do just that. It is now possible to produce both structural and functional images of the brain. While brain imaging techniques have advanced significantly throughout history and proven extremely useful, they still have their

    • 1645 Words
    • 7 Pages
    Better Essays
  • Decent Essays

    Cognitive neuroscientists use several brain imaging methods that look at the structure or function of the brain to study cognition. Position emission tomography (PET), functional magnetic resonance imaging (FMRI), electroencephalograph (EEG), magnetoencephalography (MEG) and transcranial magnetic stimulation (TMS) are all commonly used techniques. Neuroscientists want to use these techniques to construct theoretical models that represent and explain brain organisation and function (Eysenck & Keane

    • 892 Words
    • 4 Pages
    Decent Essays
  • Best Essays

    Imaging Techniques and Cognitive Function Essay

    • 2339 Words
    • 10 Pages
    • 10 Works Cited

    and experts from the field of psychology, statistics, physics and physiology all contribute to its further development (Poldrack et al., 2007). In the last 20 years the imaging techniques developed from single proton emission tomography (SPET) to positron emission tomography (PET) and finally to functional magnetic resonance imaging (fMRI) (Page, 2006). Their applications are numerous in experimental and cognitive psychology. However, at one level they can constitute another dependent variable (brain

    • 2339 Words
    • 10 Pages
    • 10 Works Cited
    Best Essays
Previous
Page12345678950