Sex is a critical biological factor that needs to be factored into study designs and analyses. In the present work, we sought to quantify sex-related differences of neurochemical profiles, utilizing 1H MRS data from the visual cortex of 22 healthy females (age 24±6 years) and 27 males (age 26±6 years) acquired at 7 T. Whereas there was a trend of sex-related differences for few metabolites, no statistically significant differences were observed above the attained metabolite sensitivity threshold of 0.2 µmol/g. The results indicate that sex is not a major confounding variable for MRS experiments performed on the visual cortex of young subjects.
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