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The impact of sleep and waking on memory consolidation in adolescents

The impact of sleep and waking on memory consolidation in adolescents

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
DRKS
Registry ID
DRKS00000535
Enrollment
76
Registered
2010-08-27
Start date
2009-05-01
Completion date
Unknown
Last updated
2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

healthy volunteers

Interventions

Group 1: The subjects were assigned to a sleep condition, and additionally allocated to an active waking (video, physical activity). Group 2: The subjects were assigned to a sleep condition, and addit

Sponsors

Universitätsklinikum Freiburg, Abteilung für Psychiatrie und Psychotherapie
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
16 Years to 16 Years

Inclusion criteria

Inclusion criteria: Age: 16 years Gender: female Pubertal status late-pubertal (Self-rating scale for pubertal development according to Carskadon: Score = 7) Right-dominant hand Students at Gymnasium Normal and stable sleep behaviour Normal or corrected-to-normal vision Girls: have to be in the follicular phase of the menstrual cycle (days 5-15) on test day. Girls on oral contraceptives will be studied within the first three weeks of their pill cycle (menstruation calendar).

Exclusion criteria

Exclusion criteria: Not able to provide informed consent and unsufficient knowledge of German language (Grade for German below 4) Current or past mental illness (lifetime) Mental illnesses in first degree relatives Epilepsy or other chronic diseases Regular intake of centrally acting medication Current or past legal and illegal drug abuse or dependence No regular use of alcohol Excessive use of caffeine (>300 mg or 3 cups of coffee/day) Pregnancy (Urinetest) Claustrphobia Smoker

Design outcomes

Primary

MeasureTime frame
Percent improvement in mirror tracing draw time, Percent recall in the word pair associate task, reduction in ms of the Stimulus Onset Asynchrony (SOA) in the texture discrimination task (TDT) from the test to retest condition.

Secondary

MeasureTime frame
Secondary analyses include the correlations between EEG sleep variables (amount of slow wave sleep (SWS) and REM sleep, number of sleep spindles) and memory performance, and cortisol levels.

Countries

Germany

Contacts

Public ContactChristoph Nissen

Universitätsklinikum Freiburg, Abteilung für Psychiatrie und Psychotherapie

christoph.nissen@uniklinik-freiburg.de07612706980

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026