“…This relationship may be related to alterations in the activity of central serotonergic, dopaminergic, and noradrenergic neurotransmitters, and it is important to differentiate true psychiatric symptoms from misperceptions resulting from the patient's compromised ability to organize perceptual information. Patients with normal pressure hydrocephalus may develop frontal-dominant symptoms, such as personality changes, anxiety, depression, psychotic syndromes, obsessive-compulsive disorder, Othello syndrome, shoplifting, and mania [3] , [4] , [5] , [6] , [7] , [8] , [9] .…”