Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Subtraction cerebral blood flow (CBF) maps taken with arterial spin labelling magnetic resonance imaging (ASL‐MRI) in a patient with frontal lobe epilepsy (C) and temporal lobe epilepsy (F). The four CBF maps show the transition from interictal to postictal state. Both patients show left hypoperfusion relative to seizure onset (left frontal with >20 mL/100 g/min, and left temporal with >15 mL/100 g/min, respectively). Figure taken from Farrell et al 88
