Another, recent, application of the BSI is in stroke monitoring. We have monitored 21 consecutive hemispheric stroke patients, and the BSI correlates very well with the clinical condition of the patient. Details can be found in:

Michel JAM van Putten and Dénes LJ Tavy. Continuous Quantitative EEG monitoring in Hemispheric Stroke Patients using the Brain Symmetry Index, Stroke, 2004;35:2489-2492.

Recently, we applied the Brain Symmetry Index to monitor the efficacy of thrombolysis with r-tPA in acute stroke.   Continuous EEG Monitoring During Thrombolysis in Acute Hemispheric Stroke Patients Using the Brain Symmetry Index. J Clin Neurophysiology, de Vos CC, van Maarseveen SM, Brouwers PJ, van Putten MJ.