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Neurotransmitters show correlation with personality
With the help of PET, German researchers have established a correlation between healthy people's personalities and their brain chemistry.
Lead investigator Dr. Peter Bartenstein, a professor of nuclear medicine at Ludwig Maximilians-University in Munich, supervised the examination of 23 healthy men with no history of substance abuse with PET following administration of fluorine-18 fluoroethyl-diprenorphine, a radiolabeled tracer. It binds to endorphins occurring naturally in the brain's reward system. Researchers compared PET scans with results of a personality test and found that study subjects with a higher need for approval also showed the highest endorphin uptake. The results could lead to a better understanding and treatment of addictive behavior. They were published in the August issue of the Journal of Nuclear Medicine (2008;49 [8]:1257-1261).
Study Reaffirms Low Risk for csPCa with Biopsy Omission After Negative Prostate MRI
December 19th 2024In a new study involving nearly 600 biopsy-naïve men, researchers found that only 4 percent of those with negative prostate MRI had clinically significant prostate cancer after three years of active monitoring.
Study Examines Impact of Deep Learning on Fast MRI Protocols for Knee Pain
December 17th 2024Ten-minute and five-minute knee MRI exams with compressed sequences facilitated by deep learning offered nearly equivalent sensitivity and specificity as an 18-minute conventional MRI knee exam, according to research presented recently at the RSNA conference.
Can Radiomics Bolster Low-Dose CT Prognostic Assessment for High-Risk Lung Adenocarcinoma?
December 16th 2024A CT-based radiomic model offered over 10 percent higher specificity and positive predictive value for high-risk lung adenocarcinoma in comparison to a radiographic model, according to external validation testing in a recent study.
