Complex and persistant neuropsychiatric symptoms may appear due to different causes affecting certain parts of the brain. They may sometimes present as a psychiatric disorder without neurological symptoms. Organic personality disorder is one of the psychiatric disorder following traumatic brain injury. Affective instability, impulsivity, agression, apathy or paranoid thoughts are basic symptoms. In this paper, we report a case with psychiatric symptoms developed 2 months after the middle cerebral artery aneurysm surgery and considered due to the possible damage of the right medial temporal lobe.
Selvi et al. (Sun,) studied this question.