John Tully

4 Questions 5 Answers 0 Followers

Questions related from John Tully

What strength MRI is required to accurately estimate Glu (vs Glx) on MRSpectroscopy?

Some literature suggests 7T is required, while other papers suggest Glutamate can be accurately estimated with 3T, using correction procedures for metabolites. Further, I am interested in views on...

25 November 2018 4,874 4 View

Can 1.5T and 3T MRI data be combined?

Can 1.5T and 3T structural MRI data can be combined for Freesurfer/other analysis?

12 February 2018 6,098 8 View

What is the most accurate biochemical measure/estimate of CNS i) cortisol, ii) testosterone and iii) serotonin function in humans?

Specifically, 1. are sailvary assays for cortisol and testosterone the best measure? Or is a urine estimate better? 2. How useful is urinary SHIAA as a measure of central serotonin levels/function?

11 May 2016 9,460 3 View

Is there any available method to measure/estimate serotonin and dopamine levels in human brain?

eg using spectrometry/proteomics

06 April 2016 2,933 3 View