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"Biofeedback training."
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Biofeedback and mindfulness in everyday life : practical solutions for improving your health and performance
A mind-body approach to taking control of your physical and emotional health.
Book
Efficacy of MP-3 microperimeter biofeedback fixation training for low vision rehabilitation in patients with maculopathy
Background
To evaluate the efficacy of MP-3 microperimeter biofeedback fixation training (MBFT) in vision rehabilitation of low-vision patients affected by macular disease with central vision loss.
Methods
Seventeen eyes (7 age-related macular degeneration, 10 myopic maculopathy) of 17 patients were included in this prospective, interventional study. The preferred retinal locus was determined by comprehensive ophthalmoscopic fundus evaluation including fundus photography, autofluorescence, optical coherence tomography, and microperimetry. The rehabilitation consisted of three 10-min sessions per eye to be performed twice per week for 20 consecutive weeks using the MP-3 microperimeter. Best corrected visual acuity (BCVA), reading speed, mean central sensitivity, the percentages of fixation points within specified regions, bivariate contour ellipse area (BCEA) and the 25-item National Eye Institute visual function questionnaire (NEI-VFQ-25) were recorded pre- and post-training.
Results
The final BCVA, reading speed and mean central sensitivity all showed significant improvements after rehabilitation (
P
< 0.0001,
P
= 0.0013, and
P
= 0.0002, respectively). The percentages of fixation points located within 2° and 4° diameter circles both significantly increased after training (
P
= 0.0008 and
P
= 0.0007, respectively). The BCEA encompassing 68.2, 95.4, 99.6% of fixation points were all significantly decreased after training (
P
= 0.0038,
P
= 0.0022, and
P
= 0.0021, respectively). The NEI-VFQ-25 scores were significantly increased at the end of the rehabilitation training (
P
< 0.0001).
Conclusion
Rehabilitation with MP-3 MBFT is a user-friendly therapeutic option for improving visual function, fixation stability, and quality of life in advanced macular disease.
Trial registration
The prospective study was registered with the Chinese Clinical Trial Registry (
http://www.chictr.org.cn/
). Trial Registration Number:
ChiCTR2000029586
. Date of registration: 05/02/2020.
Journal Article
Healing young brains : drug-free treatment for childhood dusorders-- including autism, ADHD, depression, and anxiety
\"Examines the benefits of and the techniques for using neurofeedback to combat many childhood disorders, such as autism, ADHD, depression, and aggression\"--Provided by publisher.
Book
Fixation stability after surgical treatment of strabismus and biofeedback fixation training in amblyopic eyes
Background
Visual fixation may be affected in amblyopic patients and, moreover, its stability may be associated with the effects of amblyopic treatments on visual performance in patients with strabismus. Therefore, fixation stability is a relevant biomarker that might predict the recurrence of amblyopia after a therapeutic intervention. Microperimetric biofeedback fixation training (BFT) can stabilize visual fixation in adult patients with central vision loss. It was the purpose of the present study to evaluate the effects of BFT on fixation stability in adult amblyopic patients after surgical intervention to treat strabismus.
Methods
Participants were 12 patients with strabismus (mean age = 29.6 ± 8.5 years; 6 females) and 12 healthy volunteers (mean age = 23.8 ± 1.5 years; 9 females). The protocol included ophthalmological and microperimetric follow-ups to measure fixation stability and macular sensitivity. BFT was applied monocularly to four amblyopic eyes either on the spontaneous preferential retinal locus or to a fixation area closer to the anatomical fovea after surgical treatment of strabismus.
Results
Baseline measurements showed significantly altered microperimetric average threshold in amblyopic eyes compared to fellow eyes (
p
= 0.024) and compared to control eyes (
p
< 0.001). Fixation was unstable in amblyopic eyes compared to control eyes (p < 0.001). Fixation stability did not significantly change after surgical alignment of strabismus (
p
= 0.805). BFT applied to operated eyes resulted in a more stable fixation with improvements of about 50% after three months of training.
Conclusions
Fixation stability improvements following BFT highlight its potential use in adult amblyopic eyes after the surgical alignment of the strabismus. Future investigations may also consider applying this method in combination with standard treatments to improve vision in amblyopic patients.
Journal Article
Brain control : developments in therapy and implications for society
\"With the burden of brain disorders increasing worldwide, there has been a resurgence of interest in techniques to control the brain and thereby improve its function. Yet how realistic are these expectations and what are the ethical implications? This book reviews the main techniques that can enable patients to use their brains for communication and control and doctors to modify brain function. It explains how paralysed patients may be helped through brain reading, how brain stimulation can help to improve Parkinson's disease and certain mental disorders and how patients can be trained to regulate their own brain activity through neurofeedback. Brain Control situates the application of these techniques within ethical and legal debates on the principles of autonomy and fairness, and suggests ethical standards for their future development\"-- Provided by publisher.
Book
Development and Pilot Test of a Virtual Reality Respiratory Biofeedback Approach
Breathing exercises with biofeedback have benefits over breathing exercises without biofeedback. However, the traditional measurement of respiratory signals that is required as part of feeding back the breath incurs high cost and effort. We propose a novel virtual reality (VR) based approach to respiratory biofeedback that utilizes the positionally tracked hand controllers integrated into modern VR systems to capture and feedback the respiration-induced abdominal movements. In a randomized controlled laboratory study, we investigated the feasibility and efficacy of the developed biofeedback algorithm. In total, 72 participants performed a short breathing exercise in VR with or without respiratory biofeedback. The feedback integration resulted in a satisfactory user experience, a heightened breath awareness, a greater focus on slow diaphragmatic breathing and an increased respiratory sinus arrhythmia. This evidences that the novel biofeedback approach is low-cost, unobtrusive, usable and effective in increasing breath awareness and promoting slow diaphragmatic breathing in the context of VR-based breathing exercises. Future studies need to investigate the broader applicability and long-term effects.
Journal Article