Sextus Empiricus (about AD 200) is credited1 with being the first person to use the word “aphasia”, albeit in a philosophical sense. Carl Wernicke's studies on aphasia, published from 1874, are among ...

Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is an effective neurosurgical treatment for Parkinson’s disease. Surgical accuracy is a critical determinant to achieve an adequate DBS ...