None listed
Conditions
Interventions
intervention group:Bright white light intervention
control group:shame stimulus
Sponsors
The First Hospital of Hebei Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1.Aged 18-45 years old, gender not limited, Han ethnicity; 2.All right-handed, with a junior high school education or above; 3.Does not meet the DSM-V diagnostic criteria for any mental disorder; 4.Two lines and three generations without a family history of mental illness; 5.Sign informed consent form;
Exclusion criteria
Exclusion criteria: 1.I have experienced flying across time zones in the past week and have other types of sleep rhythm disorders; 2.Neurodegenerative diseases, traumatic brain injury or cerebrovascular disease; 3.Pregnant, lactating, or MRI scan contraindications; 4.I have taken psychotropic drugs in the past week; 5.I am currently taking medications that can increase photosensitivity, such as diuretics and antibiotics; 6.Recently taking any medication that affects the central nervous system, drinking beverages containing caffeine and alcohol for the first 3 days of the study, and engaging in vigorous physical activity; 7.Eat a large amount of photosensitive foods such as fennel, shepherd's purse, citrus, lemon, etc. eight hours before each light intervention; 8.History of diseases that increase photosensitivity, such as albinism and lupus; 9.Volunteers who undergo ophthalmic examinations by certified optometrists and have visual impairments such as color blindness, reduced pupil response to light, and reduced field of view;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Working memory function; | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood oxygen levels during intracerebral activity;Saliva melatonin; | — |
Countries
China
Contacts
Public ContactAn Cuixia
The First Hospital of Hebei Medical University
Outcome results
None listed