Neuroimaging

Hastings Center Report

Copyright © 2014 The Hastings Center

March-April 2014

Volume 44, Issue s2

Pages S2–S52, inside back cover–inside back cover

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      Neuroimaging: Beginning to Appreciate Its Complexities (pages S2–S7)
      

      Erik Parens and Josephine Johnston

      Article first published online: 14 MAR 2014 | DOI: 10.1002/hast.293

      
      
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         Neuroimaging and Psychiatry: The Long Road from Bench to Bedside (pages S31–S36)
         

         Helen S. Mayberg

         Article first published online: 14 MAR 2014 | DOI: 10.1002/hast.296

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      A balanced look at brain scanning by vaughanbell Bioethics think tank The Hastings Center have published an excellent open-access report on 'Interpreting Neuroimages: The Technology and its Limits' that takes a critical but balanced look at the use of brain scans for understanding the mind. They've commissioned leading cognitive neuroscientists to write chapters including Geoffrey Aguirre, Martha Farahand Helen Mayberg, as well as having a chapter by some legal folks who discuss whether neuroimaging can teach us anything about moral and legal responsibility. The chapter by the brilliant Martha Farah is particularly good and takes a level-headed look at the critiques of fMRI and is essential reading if you want to get up to speed on what brain scans are likely to tell us about the mind and brain. The report is all in academic writing but if you're a dedicated neuroscience fan, it probably won't pose too much of a problem. Link to 'Interpreting Neuroimages: The Technology and its Limits'. vaughanbell | March 23, 2014 at 10:26 am | Categories: Inside the Brain | URL:http://wp.me/ptsTD-7E1 ******************************************************* First Person: Exploring the Unconscious Brain Sandra J. Ackerman Sometimes in science, results that don’t seem to make sense point the way to a gratifying insight. As a young man lay in bed, writhing and still barely conscious two years after a close escape from drowning, his mother gave him a small dose of the sedative zolpidem to help him rest. To her amazement, instead of becoming quieter, he awoke, recognized her, and even tried to speak. This case and others like it have fascinated Nicholas Schiff (below), the Jerold B. Katz professor of Neurology and Neuroscience at Cornell University’s Weill Medical College. Recently, Schiff talked with Sandra Ackerman, senior editor of American Scientist, about the hidden brain activity he thinks may be taking place in some patients who appear unable to respond. News stories about the results of a major stroke or trauma to the brain seem to use a bewildering variety of terms to describe the patient’s medical condition: coma, unconsciousness, vegetative state, and so on. How many different levels of consciousness really exist in the human brain? Many—but for the purposes of this discussion, we can think of consciousness as a spectrum. At one end is our everyday consciousness, and at the other is total unconsciousness, as represented by coma. Actually, the term “coma” covers two very similar states: One is the kind of coma that results from a severe head injury or cardiac arrest, and the other is the state induced in a hospital setting by means of general anesthesia./.../