neuro-psychological Memory Retention
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: • Age between 18 and 35 years • Willingness and ability to sign informed consent • Physically and mentally healthy • High dream recall frequency (at least several times a week) • High English language proficiency (at least 10 items of the BNT) • Ability to sleep in the sleep laboratory
Exclusion criteria
Exclusion criteria: • History of or current sleep disorder (PSQI score > 7, skipping sleep in 6 days before adaptation night) • Current physical or mental illness (BDI * 20 or BAI > 15) • Medication that influences the sleep/wake cycle and/or memory consolidation • Daily drug use • Extreme coffee drinkers (more than 4 cups/day) • Skin diseases at intended electrode sites (EMG, EEG) • Chronotype incompatible with study time window (Regular bedtime after 1 am or later) • Inability to sleep during the adaptation night (sleep efficiency
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main endpoints are the performance in the picture-word association task, as well as emotional valence and arousal rating of the pictures of the picture-word association task. EEG will also be used for sleep staging. | — |
Secondary
| Measure | Time frame |
|---|---|
| Secondary aims of the proposed research include EEG correlates of dreaming and dream reports and potential analysis of the sleep EEG (e.g. spindle/slow wave analyses). * Other study parameters (if applicable) Other exploratory analysis are possible using the EEG, stool samples and questionnaire data. | — |
Countries
Netherlands