Are global methods appropriate for fMRI data analysis? An in vivo fMRI study of the spatio-temporal heterogeneity of fMRI data

Hidden Markov multiple event sequence mo

Hidden Markov multiple event sequence models: A paradigm for the spatio-temporal analysis of fMRI data

✍ S. Faisan; L. Thoraval; J.-P. Armspach; F. Heitz 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 888 KB

This paper presents a novel, completely unsupervised fMRI brain mapping method that addresses the three problems of hemodynamic response function (HRF) variability, hemodynamic event timing, and fMRI response non-linearity. Spatial and temporal information are directly taken into account into the co