Subcortical aphasia(s): a controversial and promising topic.

Many aspects of subcortical aphasias are not accounted for by a unique pathophysiological mechanism; rather the diversity of the observed symptoms suggests that many functional ensembles, more or less related, to language functions may be disturbed by subcortical lesions. However, such disorders are only moderate in intensity and subcortical aphasias certainly constitute an interesting model for studying the dynamics of recovery of language functions and related neural systems, combining neurolinguistic concepts with advanced functional imaging techniques.