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Cognitive and Social Rehabilitation in Schizophrenia—From Neurophysiology to Neuromodulation. Pilot Study

Author

Listed:
  • Renata Markiewicz

    (Psychiatric Nursing Department, Faculty of Health Sciences, Medical University of Lublin, 20-081 Lublin, Poland)

  • Beata Dobrowolska

    (Chair of Development in Nursing, Medical University of Lublin, Poland Faculty of Health Sciences, 20-081 Lublin, Poland)

Abstract

The aim of this pilot study was to analyse the influence of Galvanic Skin Response (GSR) Biofeedback training in a group of 18 men with schizophrenia at the remission stage. The results were verified according to: Positive and Negative Syndrome Scale (PANSS), Acceptance of Illness Scale (AIS), Self-efficacy Scale (GSES), Beck Cognitive Insight Scale (BCIS) scales, Colour Trial Test (CTT-1, CTT-2), d2 psychological tests, Quantitative Electroencephalogram (QEEG) Biofeedback, auditory event-related potentials (ERPs), and serum levels of brain-derived neurotrophic factor (BDNF). The results were compared in the same patients after 3 months. Statistically significant changes were noted in results for the variables on the PANSS scale. For the BDNF variable, a statistically significant increase occurred, indicating that GSR Biofeedback training may influence serum levels of the neurotrophic factor. Statistically significant changes were noted in results for the variables on the BCIS, AIS, and GSES indicating an improvement in the cognitive and social functioning. Changes were noted for results for theta/beta and theta/Sensory Motor Rhythm (SMR) ratios, which indicate an improvement in concentration and attention. Changes were noted for the N1 wave amplitude in the frontal brain region (F-z), and for the P2 wave latency in the central brain region (C-z), which indicates an improvement in the initial perceptual analysis. The use of GSR Biofeedback in a group of patients with schizophrenia gives interesting results, but requires further in-depth research.

Suggested Citation

  • Renata Markiewicz & Beata Dobrowolska, 2020. "Cognitive and Social Rehabilitation in Schizophrenia—From Neurophysiology to Neuromodulation. Pilot Study," IJERPH, MDPI, vol. 17(11), pages 1-12, June.
    • Handle: RePEc:gam:jijerp:v:17:y:2020:i:11:p:4034-:d:367829
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    Cited by:

    1. Renata Markiewicz & Agnieszka Markiewicz-Gospodarek & Beata Dobrowolska, 2022. "Galvanic Skin Response Features in Psychiatry and Mental Disorders: A Narrative Review," IJERPH, MDPI, vol. 19(20), pages 1-12, October.

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