Effects of Brain Stimulation During Nocturnal Sleep on Memory Consolidation in Patients With Mild Cognitive Impairments

Mild Cognitive Impairment, So Stated Clinical Trial

Official title:
Impact of Transcranial Slow Oscillating Stimulation on Memory Consolidation During Nocturnal Slow Wave Sleep in Patients With Mild Cognitive Impairments(MCI)

Status Withdrawn

Clinical Trial Summary

The beneficial effect of nocturnal sleep on memory consolidation is well-documented in young, healthy subjects. Especially, periods rich in slow-wave sleep (SWS) have shown a memory enhancing effect on hippocampus-dependent declarative memory. Slow oscillatory activity typically occuring during SWS has been implicated in the consolidation effect. Recent evidence in young healthy subjects suggest that the sleep-associated consolidation effect can be amplified by the application of a weak transcranial oscillatory electric current within the frequency range of SWS in humans (0,7-0,8 Hz) during SWS. If patients with amnestic mild cognitive impairments (MCI)- usually characterized by initial difficulties in hippocampus dependent memory functions - benefit from transcranial slow oscillatory stimulation (tSOS) during nocturnal sleep as well has not been studied so far. The primary aim of the present study is to investigate the influence of a weak slow oscillating brain stimulation (tSOS) on declarative memory consolidation applied during periods of nocturnal SWS in MCI patients.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Cognitive Dysfunction
Mild Cognitive Impairment, So Stated

Clinical Trial Details

NCT number	NCT01782391
Study type	Interventional
Source	Charite University, Berlin, Germany
Contact
Status	Withdrawn
Phase	N/A
Start date	April 2013
Completion date	December 2017

View Details

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