<prompt> Formed visual hallucinations are seen in a lesion of -FrontalOccipitalTemporalArcuate fasciculus  <response>: Unformed elementary visual hallucination:- ocular disorders, disorders of the occipital lobe, migraine.Formed visual hallucination:- Disorders of Temporal lobe, diseases of upper brain stem or thalamus peduncular hallucinosis.Note:- Temporal lobe lesions can cause Auditory, visual formed and olfactory hallucinations. 