Medical and recreational cannabis use is now legal in many parts of the world, but questions remain about its effect on ...

Let's rewind to Friday night. Normally, whenever you have an experience — like a conversation — a part of your brain called the prefrontal lobe stores that information in short-term memory.

PTSD causes your amygdala — the part of the brain that controls emotions ... activity in some brain areas, including your prefrontal lobes, which are involved with things like reasoning ...

(A) This is an axial T2 magnetic resonance imaging (MRI) image showing an acute stroke in the left lateral prefrontal cortex ... in the right lateral frontal lobe. Neuropathological specimen ...