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Verfasst von:Díaz Hernàndez, Laura [VerfasserIn]   i
 Brandeis, Daniel [VerfasserIn]   i
Titel:Towards using microstate-neurofeedback for the treatment of psychotic symptoms in schizophrenia
Titelzusatz:a feasibility study in healthy participants
Verf.angabe:Laura Diaz Hernandez, Kathryn Rieger, Anja Baenninger, Daniel Brandeis, Thomas Koenig
Jahr:2016
Jahr des Originals:2015
Umfang:14 S.
Fussnoten:Gesehen am 26.02.2019 ; Published online: 19 November 2015
Titel Quelle:Enthalten in: Brain topography
Ort Quelle:Dordrecht [u.a.] : Springer Science + Business Media B.V, 1988
Jahr Quelle:2016
Band/Heft Quelle:29(2016), 2, Seite 308-321
ISSN Quelle:1573-6792
Abstract:Spontaneous EEG signal can be parsed into sub-second periods of stable functional states (microstates) that assumingly correspond to brief large scale synchronization events. In schizophrenia, a specific class of microstate (class “D”) has been found to be shorter than in healthy controls and to be correlated with positive symptoms. To explore potential new treatment options in schizophrenia, we tested in healthy controls if neurofeedback training to self-regulate microstate D presence is feasible and what learning patterns are observed. Twenty subjects underwent EEG-neurofeedback training to up-regulate microstate D presence. The protocol included 20 training sessions, consisting of baseline trials (resting state), regulation trials with auditory feedback contingent on microstate D presence, and a transfer trial. Response to neurofeedback was assessed with mixed effects modelling. All participants increased the percentage of time spent producing microstate D in at least one of the three conditions (p < 0.05). Significant between-subjects across-sessions results showed an increase of 0.42 % of time spent producing microstate D in baseline (reflecting a sustained change in the resting state), 1.93 % of increase during regulation and 1.83 % during transfer. Within-session analysis (performed in baseline and regulation trials only) showed a significant 1.65 % increase in baseline and 0.53 % increase in regulation. These values are in a range that is expected to have an impact upon psychotic experiences. Additionally, we found a negative correlation between alpha power and microstate D contribution during neurofeedback training. Given that microstate D has been related to attentional processes, this result provides further evidence that the training was to some degree specific for the attentional network. We conclude that microstate-neurofeedback training proved feasible in healthy subjects. The implementation of the same protocol in schizophrenia patients may promote skills useful to reduce positive symptoms by means of EEG-neurofeedback.
DOI:doi:10.1007/s10548-015-0460-4
URL:Bitte beachten Sie: Dies ist ein Bibliographieeintrag. Ein Volltextzugriff für Mitglieder der Universität besteht hier nur, falls für die entsprechende Zeitschrift/den entsprechenden Sammelband ein Abonnement besteht oder es sich um einen OpenAccess-Titel handelt.

Volltext: http://dx.doi.org/10.1007/s10548-015-0460-4
 Volltext: https://doi.org/10.1007/s10548-015-0460-4
 DOI: https://doi.org/10.1007/s10548-015-0460-4
Datenträger:Online-Ressource
Sprache:eng
Sach-SW:Schizophrenia
 EEG
 Microstates
 Modelling
 Neurofeedback
 Resting state
K10plus-PPN:1588138933
Verknüpfungen:→ Zeitschrift

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