Please assess the completion status of the following clinical trial:

Trial Title: Intracranial Aneurysms and Cognitive Function

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: OTHER
- Primary Purpose: None
- Time Perspective: RETROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Patients with un-ruptured aneurysms in the anterior communicating artery and the middle cerebral artery.~* A subgroup of patients suffering aneurismal subarachnoid hemorrhage.~Exclusion Criteria:~* History of earlier cerebrovascular, psychiatric or neurological disease.~* Age older than 75 years~* Lack of fluency in Norwegian~* Alcohol or Substance abuse~* Aphasia~* Substantial vision or hearing deficits

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 75 Years
- Healthy Volunteers: t

Study Arms:
- Subarachnoid hemorrhage (Type: None): A group of patients suffering aneurismal subarachnoid hemorrhage will participate in a fMRI study.
- Prophylactic surgical treatment of un-ruptured aneurysms (Type: None): A retrospective follow-up study of patients who have received prophylactic surgical treatment of un-ruptured aneurysms
- Conservative treatment (Type: None): A retrospective follow-up of patients receiving conservative (life stile etc.) treatment of un-ruptured aneurysms.
- Control group of healthy subjects (Type: None): Control group of healthy subjects

Based on this trial design, predict the completion outcome and termination type (if applicable).