Traumatic Brain Injury (TBI)
Research Papers
Showing 6 of 11Language Rehabilitation of Traumatic Brain Injury Patient by LORETA Z-Score Neurofeedback: A Single-Case Study
Traumatic brain injury (TBI) creates a variety of sequelae such as aphasia that can be highly challenging for clinicians when developing rehabilitation interventions. Therefore, the present study aimed to investigate the effectiveness of LORETA z-score neurofeedback (LZNFB) on language performance for a 21-year-old male suffering from aphasia following TBI. To this end, LZNFB was applied while focusing on the language network for 15 sessions. The study used an experimental design with a pre-post comparison. Baseline and posttreatment comparisons were made on qEEG/LORETA metrics, aphasia symptoms, working memory, and attention. The results indicated clinical improvements in language, working memory, and attention performances after 15 sessions of LZNFB. Our findings suggest that LZNFB may have the potential to aid language performance among those with TBI
View Full Paper →Semi-Automated Neurofeedback Therapy for Persistent Postconcussive Symptoms in a Military Clinical Setting: A Feasibility Study
INTRODUCTION: Neurofeedback therapy (NFT) has demonstrated effectiveness for reducing persistent symptoms following traumatic brain injury (TBI); however, its reliance on NFT experts for administration and high number of treatment sessions limits its use in military medicine. Here, we assess the feasibility of live Z-score training (LZT)-a variant of NFT that requires fewer treatment sessions and can be administered by nonexperts-for use in a military clinical setting. MATERIALS AND METHODS: A single group design feasibility study was conducted to assess acceptability, tolerance, treatment satisfaction, and change in symptoms after a 6-week LZT intervention in 38 Service Members (SMs) with persistent symptoms comorbid with or secondary to mild TBI. Acceptance and feasibility were assessed using treatment completion and patients' satisfaction with treatment. To evaluate changes in symptom status, a battery of self-report questionnaires was administered at baseline, posttreatment, and 3-month follow-up to evaluate changes in psychological, neurobehavioral, sleep, pain, and headache symptoms, as well as self-efficacy in symptom management and life satisfaction. RESULTS: Participants tolerated the treatment well and reported a positive experience. Symptom improvement was observed, including depressive, neurobehavioral, and pain-related symptoms, with effects sustained at 3-month follow-up. CONCLUSION: LZT treatment appears to be a feasible, non-pharmacological therapy amenable to SMs. Results from this pilot study promote further investigation of LZT as an intervention for SMs with persistent symptoms following TBI.
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 →The Relation Between Memory Improvement and QEEG Changes in Three Clinical Groups as a Result of EEG Biofeedback Treatment
It is important to understand the relation between changes in the quantitative EEG (QEEG) variables and memory changes as a result of the EEG biofeedback treatment. With this goal in mind, the senior author reviewed his clinical files from the last 5 years and examined the QEEG data addressing relative power and coherence changes and memory (auditory and reading) improvements. The groups involved included (a) normal individuals wanting to improve their cognitive functioning, (b) traumatic brain injured (TBI) subjects, and (c) + (d) subjects who can best be classified as having a specific learning disability (SLD). The SLD group was divided between those who are (c) older than 14 (adults) and those who are (d) younger than 14 (children) in order to reference the appropriate age-related normative group values. The analysis revealed significant improvements in auditory and reading memory across all groups as well as changes on the QEEG variables. All of the groups were performing above the normative reference group on measures of auditory and reading memory in terms of percentage differences (24-97%) and standard deviations (+1.28-1.85). The average auditory memory SD improvement was +1.52, whereas the average percentage change was 82%. For the reading task the average memory standard deviation improvement was 1.38, whereas the percentage improvement was 154%. The experimental group was performing 1.66 SD (68%) above the control group on auditory memory and.90 SD (52%) above the control group on reading memory measures. For the QEEG variables, the average raw value of the Spectral Correlation Coefficient (SCC) change for alpha was 6.1 points (2.09 SD), for SCC beta1 (13-32 Hz) 6.53 points (1.81 SD), and for beta2 (32-64 Hz) 7.5 points (1.77 SD). The changes on the relative power measures were less dramatic, albeit significant. These results underlie the importance of addressing the SCC values in EEG biofeedback treatment protocols.
View Full Paper →Neurotherapy of traumatic brain injury/posttraumatic stress symptoms in OEF/OIF veterans
The Flexyx Neurotherapy System (FNS), a novel variant of EEG biofeedback, was adapted for intervention with seven treatment-refractory Afghanistan/Iraq war veterans, and brought about significant decreases in bothersome neurobehavioral and posttraumatic stress symptoms. FNS may help ameliorate mixed trauma spectrum syndromes.
View Full Paper →Real-Time Changes in Connectivities During Neurofeedback
Introduction. Changes in quantitative EEG during and in response to neurofeedback (NF) training was explored in patients with traumatic brain injury (TBI). Data from 19 adults with a TBI of moderate mechanical nature, non-drug-related, and without severe posttraumatic stress disorder or seizure disorder were analyzed (14 male and 5 female). Methods. EEG was evaluated before, during, and after ROSHI NF training. Data were collected as duplicate samples of 6 min each during eyes open and eyes closed conditions, but only the eyes closed condition was analyzed. Results. Significant changes in connectivity occurred during and in response to NF training. Conclusion. Results showed significant changes in real-time QEEG connectivity. An evaluation of a larger subject population will clarify gender differences in connectivity responses to NF training.
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