The Voodoo Curse of Circular fMRI Analysis

Remember the 'voodoo' fMRI controversy? Well, I just came across a new voodoo-ish paper - just in time for Halloween.The study, published in Neuropsychopharmacology, comes from Franziska Plessow and colleagues of Boston. The main claim is that a dose of oxytocin reduced the response of "reward-related food motivation brain regions" to pictures of high-calorie foods, suggesting that the hormone might be of use in the treatment of obesity.However, I have some questions.In their key