headlight effect

A hyperintense bright region seen in brains of patients with early strokes when examined by diffusion-weighted imaging—a type of MRI—which corresponds to slowed movement of water through intra- and extracellular compartments

headlight effect

Flashbulb effect Imaging A hyperintense bright region seen in brains of Pts with early strokes when examined by diffusion-weighted imaging–a type of MRI, which corresponds to slowed movement of water through intra- and extracellular compartments. See Diffusion-weighted imaging, Magnetic resonance imaging, Stroke.