What is CADASILs?

Loss of higher cortical functions with retained awareness due to multiple cortical or subcortical CEREBRAL INFARCTION. Memory, judgement, attention span, and impulse control are often impaired, and may be accompanied by PSEUDOBULBAR PALSY, hemiparesis, reflex abnormalities, and other signs of localized neurologic dysfunction. (From Adams et al., Principles of Neurology, 6th ed, p1060)