Experiment Participation:

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+ Postural Equilibrium Control During Landing/Egress (DSO 605)
Experiment Performed on: +STS-28   +STS-35   +STS-36   +STS-39   +STS-40   +STS-41   +STS-42   +STS-43   +STS-44   +STS-49   +STS-50   +STS-51   +STS-52   +STS-53   +STS-54   +STS-56   +STS-58   +STS-62   +STS-64   +STS-65   +STS-67   +STS-68   +STS-69   +STS-73   +STS-95  
Role: Co-Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ The Effectiveness of Manual Control During Simulation of Flight Tasks (PILOT) (6.2.2)
Experiment Performed on: +Mir 18  
Role: Principal Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Bioavailability and Performance Effects of Promethazine (PMZ) During Space Flight (DSO 490)
Experiment Performed on: +STS-108   +STS-109   +STS-112   +STS-113   +STS-114   +STS-118   +STS-120   +STS-121   +STS-122   +Ground  
Role: Principal Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Virtual Reality Training: Cybersickness and Effects on Sensorimotor Functions (BRC04-JSC02)
Experiment Performed on: +BRC  
Role: Principal Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Mental Workload and Performance Experiment (15-IML-1)
Experiment Performed on: +STS-113  
Role: Administration
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Ambiguous Tilt and Translation Motion Cues After Space Flight (E136)
Experiment Performed on: +STS-128   +STS-130   +STS-126   +STS-129   +STS-132   +STS-133   +STS-134  
Role: Co-Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Preflight Adaptation Training (PAT) (DSO 468)
Experiment Performed on: +STS-28   +STS-29   +STS-33   +STS-35   +STS-36  
Role: Co-Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ The Effects of Long Duration Space Flight on Gaze Control (9401647)
Experiment Performed on: +NASA 2  
Role: Co-Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Visual-Vestibular Integration (DSO 604)
Experiment Performed on: +STS-39   +STS-41   +STS-43   +STS-44   +STS-45   +STS-46   +STS-48   +STS-49   +STS-51   +STS-52   +STS-53   +STS-54   +STS-57   +STS-58   +STS-59   +STS-61   +STS-62   +STS-64   +STS-65   +STS-66   +STS-67   +STS-68   +STS-69   +STS-70   +STS-72   +STS-73  
Role: Principal Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Eye-Head Coordination During Target Acquisition (4.2.1)
Experiment Performed on: +Mir 18   +Mir 19  
Role: Co-Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Dark Focus In-house Study (Dark_Focus)
Experiment Performed on: +Ground  
Role: Principal Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States

+ Joint U.S./Russian Investigations: Sensory-Motor Investigations (SMI) (DSO 201)
Experiment Performed on: +STS-60   +STS-63  
Role: Principal Investigator
Degree: Ph.D.
Institution: NASA Johnson Space Center (JSC), Houston, Texas, United States