This article explains the series of linguistic/comprehension difficulties faced by toddlers and young children with a learning disabilities. A learning disorder does not affect just one area of learning such as reading. It creates a domino effect of problems in several areas such as speech, listening comprehension and writing. The article also explains the different stages of learning a language.

LSD alters consciousness, but the mechanism of how this happens has been elusive. Now researchers report that LSD interferes with the patterns of activation in brain networks that underlie human thought and behavior. The investigators used functional MRI scans and magnetoencephalography, and showed that LSD reduces connectivity within brain networks and reduces the extent to which separate networks remain distinct in their patterns of firing.