Please assess the completion status of the following clinical trial:

Trial Title: Aging & HIV/AIDS Neurocognitive Sequelae and Functional Consequences

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

Eligibility Criteria:
Inclusion Criteria:~* To be enrolled in the study, participants must be between the ages of 18-40 years (younger groups) or \> 50 years (older groups); our goal is to recruit at least 50% of older HIV+ participants who are \> 60 years old.~* Eligible participants must have documented presence or absence of HIV infection (depending on their group assignment), based on serologic testing for HIV antibody (screening ELISA, confirmed by Western blot if positive).~* The documentation of HIV status will be obtained once informed consent has been established.~Exclusion Criteria:~* CNS infection other than HIV (no opportunistic CNS disease)~* CNS neoplasm, neurosyphilis~* traumatic brain injury with loss of consciousness greater than 30 minutes~* current diagnosis of seizure disorder, current psychotic spectrum disorders (e.g., schizophrenia, bipolar disorder)~* history of drug or alcohol abuse or dependence within the past year.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Group 1 (Type: None): HIV-positive adults 50 and older/ HIV-positive adults 18-40 years old
- Group 2 (Type: None): HIV-negative controls 50 and older / HIV-negative controls 18-40 years old
- Group 3 (Type: None): HIV-negative controls 50 and older / HIV-negative controls 18-40 years old
- Group 4 (Type: None): HIV-negative controls 18-40 years old

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