Michael - Actually, lots of accessible discussions of this issue are available on the web. Here are two, but there are many others:
http://www.brainybehavior.com/blog/2007/07/pet-scans-and-fmri-compared/ http://users.fmrib.ox.ac.uk/~stuart/thesis/chapter_3/section3_1.html ...Scott Scott O. Lilienfeld, Ph.D. Department of Psychology, Room 473 Emory University 36 Eagle Row, Atlanta, Georgia 30322 [email protected]<mailto:[email protected]>; 404-727-1125 From: Michael Britt [mailto:[email protected]] Sent: Monday, October 24, 2011 8:38 AM To: Teaching in the Psychological Sciences (TIPS) Subject: [tips] Types of brain scans Since my experience with brain scans is limited, can someone tell me if I have the following correct: * CT scan: uses xrays, the scan is good for revealing the structure of the ear perhaps, but very little detail of the brain * MRI: uses magnets, reveals more detail of the brain's structure * fMRI: also using magnets, but reveals the activity of the neurons in the brain by detecting changes in oxygen in the blood (oxygen used by active neurons) * PET: requires the injection of a radioactive substance that contains glutamate, detects activity in the brain via neurons using up the glutamate Question: fMRI and PET scans look very similar. How can students tell them apart? When is one of these scans preferred over the other? Michael Michael A. Britt, Ph.D. [email protected]<mailto:[email protected]> http://www.ThePsychFiles.com Twitter: mbritt --- You are currently subscribed to tips as: [email protected]<mailto:[email protected]>. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13509.d0999cebc8f4ed4eb54d5317367e9b2f&n=T&l=tips&o=13622 (It may be necessary to cut and paste the above URL if the line is broken) or send a blank email to leave-13622-13509.d0999cebc8f4ed4eb54d5317367e9...@fsulist.frostburg.edu<mailto:leave-13622-13509.d0999cebc8f4ed4eb54d5317367e9...@fsulist.frostburg.edu> ________________________________ This e-mail message (including any attachments) is for the sole use of the intended recipient(s) and may contain confidential and privileged information. If the reader of this message is not the intended recipient, you are hereby notified that any dissemination, distribution or copying of this message (including any attachments) is strictly prohibited. If you have received this message in error, please contact the sender by reply e-mail message and destroy all copies of the original message (including attachments). --- You are currently subscribed to tips as: [email protected]. To unsubscribe click here: http://fsulist.frostburg.edu/u?id=13090.68da6e6e5325aa33287ff385b70df5d5&n=T&l=tips&o=13623 or send a blank email to leave-13623-13090.68da6e6e5325aa33287ff385b70df...@fsulist.frostburg.edu
