Please assess the completion status of the following clinical trial:

Trial Title: Neuroimaging of Anesthetic Modulation of Human Consciousness

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: BASIC_SCIENCE
- Time Perspective: None
- Masking: NONE
- Phase: PHASE4
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~1. Must have a body mass index (BMI) less than 30.~2. Must be right handed~3. Must be English speaking~4. Must be capable of giving written informed consent.~5. Must have history of playing tennis (or any type of racquet sport) at least 30 times over lifetime.~Exclusion Criteria:~1. History of obstructive sleep apnea;~2. History of a difficult airway with a previous anesthetic;~3. History of neurological disorders;~4. Hypertension or other cardiovascular abnormalities;~5. Pulmonary hypertension or other pulmonary abnormalities;~6. Gastroesophageal reflux disease (GERD) or heartburn;~7. History of significant head injury with loss of consciousness;~8. Learning disability or other developmental disorder;~9. Allergic reactions to eggs;~10. Pregnant or nursing mothers;~11. Contraindications to neuroimaging methods;~12. Inability or unwilling to fast, or withhold food and liquid intake, for 8 hours prior to your scheduled study visit.~13. Unwilling to abstain from alcohol use for 24 hours prior to your scheduled study visit.~14. History of drug use, or have a positive drug screen.~15. Tattoos on the head or neck region - all other tattoos are subject to determination by investigators.~16. Any impairment, activity or situation that in the judgment of the study coordinator or Principal Investigators would prevent satisfactory completion of the study protocol.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: 40 Years
- Healthy Volunteers: t

Study Arms:
- Propofol Administration (Type: EXPERIMENTAL): None

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