by Siegfried Othmer, PhD I n the previous newsletter it was established that the outliers in the distribution of reaction times could not be interpreted as the tail of the Gaussian distribution. They had to be treated as a distinct phenomenon. When it came to characterizing the distribution function that characterizes the outliers, the analysis […]
by Siegfried Othmer, PhD A research group in the Netherlands has recently published two neurofeedback studies that failed to corroborate the claims for EEG-informed “Theta/beta” neurofeedback in application to ADHD. The first one of these of which I became aware had relied on parent and teacher ratings to establish progress (van Dongen-Boomsma et al., 2013). […]
by Siegfried Othmer, PhD For more than twenty years we have been using either the TOVA or the QIKtest with anyone who is able to take the test, in order to track progress in training. Both tests yield an incredible amount of information that is directly relevant to our project of training the brain toward […]
Why sham feedback fails as a placebo by David A Kaiser, MFA, PhD In a recent study, truthful feedback is compared with false feedback using MRI and DTI analysis (Ghaziri et al., 2013). After 40 sessions of EEG training, both forms of feedback were found to increase gray matter volume in the brain, but veridical […]
by Siegfried Othmer, PhD An advertisement prepared by a company that manufactures large video monitors recently went viral. It showed an interview situation in which aspirants were interviewed on the upper floor of a high-rise, where they had a view of the city through a large picture window. In mid-interview, the sky suddenly discolored and […]
