neurofeedback therapy
Research Papers
Showing 6 of 9Effects of an intensive slow cortical potentials neurofeedback training in female and male adolescents with autism spectrum disorder : Are there sex differences?
BACKGROUND: This study aims to compare the effects of neurofeedback training on male and female adolescents with autism spectrum disorder (ASD). Furthermore, it examines sex differences regarding improvements in co-occurring psychopathological symptoms, cognitive flexibility and emotion recognition abilities. The study might provide first hints whether there is an influence of sex on treatment outcomes. METHODS: Six female and six male adolescents with ASD were matched according to age, IQ and symptom severity. All participants received 24 sessions of electroencephalography-based neurofeedback training. Before and after the intervention, psychological data for measuring co-occurring psychopathological symptoms as well as behavioral data for measuring cognitive flexibility and emotion recognition abilities were recorded. RESULTS: Caregivers rated statistically significant higher psychopathological problems in female than in male adolescents with ASD at baseline. Apart from that, no statistically significant sex-related differences were revealed in this sample; however, male adolescents tended to report greater improvements of externalizing, internalizing and total symptoms, whereas females experienced smaller improvements of externalizing and total problems, but no improvements of internalizing problems. Regarding caregivers' assessments, more improvement of total problems was reported for females. For males, only improvements of internalizing and total problems were described. CONCLUSION: This study reveals preliminary results that sex-related differences might play a role when evaluating treatment outcomes after neurofeedback training regarding comorbid psychopathological symptoms. Adolescents' self-report and parental assessments, especially concerning psychopathological symptoms, should be combined and considered in future studies to help prevent sex bias in adolescents with ASD.
View Full Paper →Case Report: Virtual Reality Neurofeedback Therapy as a Novel Modality for Sustained Analgesia in Centralized Pain Syndromes
Neurofeedback (NFB) Therapy is a form of biofeedback, using the electroencephalogram (EEG) that has been in use since the 1970s, serving as a non-pharmacological intervention for epilepsy and psychiatric conditions such as anxiety, depression, insomnia, PTSD, post-concussive syndrome, and now, centralized pain. Chronic pain can increase neuronal activity and eventually causes poor modulation of pain messages. With the emergence of Virtual Reality (VR) in acute pain management, and the contraindications of opioids in chronic pain, applying novel biotechnologies seems like the next frontier in multimodal pain management. In this study, the VR and NFB technologies were fused together (VR-NFB) and used as a novel treatment modality for a 55-year-old woman who suffered from chronic pain secondary to spondylolisthesis with cervical, thoracic, and lumbar disc herniations after a motor vehicle accident with comorbid depression, anxiety, sleep deprivation, and difficulty with activities of daily living, and inability to participate in physical therapy. Our case reports on the sustained analgesia achieved for 1 year after a trial of VR-NFB, and the usefulness of neuromodulation in centralized pain syndromes.
View Full Paper →Changes in EEG Recordings in COVID-19 Patients as a Basis for More Accurate QEEG Diagnostics and EEG Neurofeedback Therapy: A Systematic Review
Introduction and purpose: The SARS-CoV-2 virus is able to cause abnormalities in the functioning of the nervous system and induce neurological symptoms with the features of encephalopathy, disturbances of consciousness and concentration and a reduced ability to sense taste and smell as well as headaches. One of the methods of detecting these types of changes in COVID-19 patients is an electroencephalogram (EEG) test, which allows information to be obtained about the functioning of the brain as well as diagnosing diseases and predicting their consequences. The aim of the study was to review the latest research on changes in EEG in patients with COVID-19 as a basis for further quantitative electroencephalogram (QEEG) diagnostics and EEG neurofeedback training. Description of the state of knowledge: Based on the available scientific literature using the PubMed database from 2020 and early 2021 regarding changes in the EEG records in patients with COVID-19, 17 publications were included in the analysis. In patients who underwent an EEG test, changes in the frontal area were observed. A few patients were not found to be responsive to external stimuli. Additionally, a previously non-emerging, uncommon pattern in the form of continuous, slightly asymmetric, monomorphic, biphasic and slow delta waves occurred. Conclusion: The results of this analysis clearly indicate that the SARS-CoV-2 virus causes changes in the nervous system that can be manifested and detected in the EEG record. The small number of available articles, the small number of research groups and the lack of control groups suggest the need for further research regarding the short and long term neurological effects of the SARS-CoV-2 virus and the need for unquestionable confirmation that observed changes were caused by the virus per se and did not occur before. The presented studies described non-specific patterns appearing in encephalograms in patients with COVID-19. These observations are the basis for more accurate QEEG diagnostics and EEG neurofeedback training.
View Full Paper →Exploring the Use of Neurofeedback Therapy in Mitigating Symptoms of Traumatic Brain Injury in Survivors of Intimate Partner Violence
Traumatic Brain Injury (TBI) is an injury to the brain caused by an acute injury to the head, neck, or face, such as a blunt force trauma. Survivors of Intimate Partner Violence (IPV) are at high risk for TBI, given how frequently they are repeatedly struck in the head. An abundance of evidence indicates that even “mild” TBI can have lifelong impacts, including personality and behavioral changes. TBI often goes undiagnosed in survivors as most do not seek medical treatment for their injuries. Given the lack of diagnoses, these symptoms may often be overlooked or misunderstood. One emerging method for treating the symptoms of TBI is neurofeedback (NF). NF is a type of biofeedback that uses operant conditioning to regulate activity in various regions of the brain. NF can lead to better cognitive performance and emotional self-regulation. Given the potentially high rate of TBI in IPV, it is worth exploring if NF can reduce the symptoms that negatively impact survivors. The current study explores the use of NF to treat IPV survivors who experienced head injury and, as such, probable TBI (N = 32). Survivors participated in a quantitative EEG (qEEG) to locate problem areas of the brain and participated in assessments, before and after treatment, to examine constructs such as depression and Post-Traumatic Stress Disorder (PTSD). Results show significant differences in both the qEEG data and written assessments following the completion of NF. These results suggest NF could mitigate symptoms of probable TBI in IPV survivors.
View Full Paper →Effectiveness of Neurofeedback Therapy in Children with Separation Anxiety Disorder
Background: Anxiety disorders are one of the most common psychiatric disorders in children. Its incidence is 2-5% of children and adolescents under age 18. Anxiety disorders are more common in girls than boys. It may start in pre-school, but mostly are in age of 7 to 8 years old. Method: The main objective of this article was to find out the effect of neurofeedback therapy in children with separation-anxiety disorder. Study population was Children from 7 to 12 years old with separation anxiety disorder who were referred to the child psychiatric clinic and they were divided randomly into two groups of 12. One group (N=12) received neurofeedback therapy and the other group (N=12) received sham neurofeedback therapy (placebo). Data was analyzed with t- test by 21th version SPSS software. Results: According to calculated t-test in neurofeedback group (8.18), neurofeedback was effective in reducing separation anxiety and the efficacy of treatment was great. But according to calculated t-test in sham group (4.42), reduction of separation anxiety was moderate. Therefore the efficacy of treatment in neurofeedback and sham groups was different. Conclusion: The results revealed that the efficacy of treatment of neurofeedback and sham groups on separation anxiety in children is different. Comparison of efficacy shows that effectiveness of neurofeedback treatment on separation anxiety was much more in the group treated with Neurofeedback than in the sham group.
View Full Paper →Is It Better to Train Power First or Coherence First?
Introduction. This study was done to see to what extent power training would correct coherence abnormalities in head-injured patients and to what extent coherence training would correct power abnormalities in a similar group of head-injured patients. Method. Ten patients had power training first, and 10 patients had coherence training first (4 protocols with 5 sessions/protocol in each case). Results. Either power or coherence training first resulted in normalization of most power and coherence abnormalities. Coherence training first resulted in significantly more new power abnormalities (10/client vs. 5/client for new power abnormalities). Power training first resulted in significantly more new coherence abnormalities (6/client vs. 2/client). Conclusion. We did not find a clear-cut advantage for doing either power or coherence training first. However, we would recommend a repeat QEEG after doing either power or coherence first, since most original abnormalities will have resolved and there are likely to be several new abnormalities to be remediated.
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