Can a stroke and brain bleed cause delusions?

Yes. It isn't a normal occurrence, but delusions can occur after a CVA. Page on neurology.org. The brain is so complex, and there is so much we just do not understand about how it works. And, everyone's brain is just that little bit different- we're all unique, you know. read more

Therefore, unfortunately, there is no way to give you a straightforward answer as to whether or not his delusions will stop. Delusions are quite common after a stroke, and in many cases go away. read more

Delusions and hallucinations due to basal ganglia lesions are theorized to develop as a result of frontal lobe dysfunction causing impairment of reality checking pathways in the brain, while visual hallucinations due to mid-brain lesions are theorized to develop due to dysregulation of inhibitory control of the ponto-geniculate-occipital system. read more