The effect of transcranial direct current stimulationon sleep dependent memory consolidatio

Not Applicable

• Conditions: Healthy participants

• Registration Number: DRKS00009298
• Lead Sponsor: Zentrum für Translationale ForschungUnversitätsklinik für Psychiatrie und PsychotherapieUniversität Bern

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2015-09-01
• Study Completion: 2017-12-11
• Last Update Posted: 19 August 2024

Recruitment & Eligibility

• Status: Complete
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

1. Age: 18-45 2. Ability and willingness to participate at the study 3. Ability to give written informed consent 4. Right-handedness 5. A maximum of 5 hours of sleep during the night
preceding the study. 6. German (or Swiss German) as mother tongue 7. Normal or corrected to normal vision 8. Females: luteal phase of menstrual cycle

Exclusion Criteria

1. Current or previous neurological or psychiatric
disorders, or severe somatic disorders 2. Medical or neurological illness with possible
influence on the brain physiology (e.g. arterial
hypertension, cardiovascular disease, Morbus
Parkinson) 3. Intake of psychotropic medication or
psychoactive substances 4. Drug abuse 5. Drug addiction including alcohol within the last
two years 6. Pregnancy (pregnancy test will be conducted with every female participant) 7. Current breastfeeding 8. Heart or head surgeries 9. Metal objects on or in the body (e.g. grenade
splinter, cardiac pacemaker, vessel clips, metal
prostheses, contraceptive coil, cochlear implant,
artificial anus with metal cap, hearing aid, tooth
implant) 10. Tattoos close to head, neck or shoulder and permanent make-up 11. Claustrophobia 12. Score over 10 at the Epworth Sleepiness scale

Study & Design

• Study Type: interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Memory performance: difference between tDCS and sham tDCS of sleep consolidation, which is the difference between recalled items (grey-scaled faces and associated occupation of the FERET database) before and after sleep

Secondary Outcome Measures

Name	Time	Method
EEG slow wave amplitude and frequency of occurrence.