Broca's area is closely related to Wernicke's area. It, too, works with spoken language and was actually discovered before Wernicke's area. Both of these areas are found on the same side of the brain, usually the left.
Intravenous dye may be used in some imaging procedures (e.g., CT scan, MRI scan). Contrast dye is not used in all cases.Although rare, some patients suffer allergic reactions to the dye and newer contrast agents are quite expensive.he primary risk of a CT scan is radiation. If intravenous contrast is used, there is a risk for allergic reaction as well. Overall, the risks of CT are small.
Transcript of Electromagnetic Radiation- CT Scans. By Alice Neill CT Scans When were CT Scans invented? Limitation of the technology and a Summary of an article Bibliography CT Scans were invented in in 1972 by a British engineer, Godfrey Hounsfield and South African-born physicist Allan Cormack. They were both independently developed in England and in the US.