brain mapping and extracranial doppler versus brain computed tomography in ischemic cerebrovasular disorders

the aim of this work is to evaluate the diagnostic role of different electrophysiologic tests;including EEG, brain mapping and visual and auditory evoked potentials,as well as extracranial carotid duplex sonography in patients with ischemic cerebrovasular diseases either in the absence or the presence of evidence of Ct-Verified cerebral infarction.