Here’s a link to an MNT writeup of Case Western Reserve & U of T research using magnetoencephalography (MEG) to study connectivity between brain regions in autism : Brain Activity Distinguishes An Autistic Brain From A Non-Autistic Brain.
L. García Domínguez, J. L. Pérez Velázquez and R. F. Galán (2013)
A Model of Functional Brain Connectivity and Background Noise as a Biomarker for Cognitive Phenotypes: Application to Autism. PLoS One. 8(4):e61493.