1. K

    Does anyone know how to work with Motor Evoked Potentials (MEPs)?

    Dear all, I am working for the first time with Transcranial Magnetic Stimulation and Motor Evoked Potentials (MEPs). I am recording MEPs' amplitude as the peak-to-peak value. But does anyone know hot to normalize raw MEPs? Somewhere I read z-score, somewhere that is needed a logarithm (but...
  2. R

    Age and gender effects in neuropsychological tests

    Dear friends, I will try to ask it simple: Dependant variable: scores of a cognitive test (scale) independant variables: brain atrophy (yes,no), family history (yes,no), gender (m,f), age(scale) I am searching if brain atrophy group performed worse in cognitive tests. However atropy...
  3. S

    PhD - which statistical analysis to use? MLM, t tests, ANOVA?

    Hi, my research question is "do large cognitive changes precede a period of mood stability?" (N = 30), I have 20 therapy sessions data for each participant, which includes scores on a cognitive style questionnaire and scores on a mood questionnaire of each session. My supervisor has suggested...