None (Healthy adults)
Conditions
Interventions
Measurements of hemodynamic data from the time resolved spectroscopy system and cerebral blood flow/ volume from the PET system during motor, cognitive and sensory tasks. MRI measurement during the r
Sponsors
Hamamatsu Photonics K.K.
Hamamatsu Medical Photonics Foundation.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1.A healthy adult (20 years old and over, 59 years old or younger). 2.Individuals who are consent to participate in this study.
Exclusion criteria
Exclusion criteria: 1.Individuals who are judged inadequacy for participation of this study by doctor or research director. 2.Individuals who have one or multiple following diagnosis: dementia, mild degree of dementia, brain damage, Parkinson disease, psychiatric disease and claustrophobia. 3.Individuals who have one or multiple following symptoms or disease: hearing difficulty, impaired vision and finger tremor. 4.Individuals whose heads with TRS probes on cannot be placed safely into the gantry of the PET camera. 5.Individuals who are judged inadequacy for participation of MRI examination by doctor or operator from the MRI checklist results. 6.Individuals who are pregnant or having a possibility of pregnancy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hemoglobin concentration and tissue oxygen saturation measured by time-resolved spectroscopy. Cerebral blood volume and cerebral blood flow by PET. | — |
Secondary
| Measure | Time frame |
|---|---|
| Relationship between the levels of hemoglobin concentration at the forehead and the deep brain tissue. | — |
Countries
Japan
Contacts
Public ContactHiroaki Suzuki
Hamamatsu Photonics K.K. The 7th Research Group, Central Research Laboratory
Outcome results
None listed