balance
Research Papers
Infra-low frequency neurofeedback in persistent postural-perceptual dizziness—Case report
Persistent Postural-Perceptual Dizziness, also known as PPPD or 3PD, is a chronic functional vestibular disorder characterized by persistent sensation of rocking or swaying unsteadiness and/ or non-spinning dizziness without vertigo lasting at least 3 months. Symptoms typically worsen with upright posture (like standing or sitting upright), head or body motion and exposure to busy or visually rich environments. The article describes the application of Infra-Low Frequency Neurofeedback (ILF NF) over 32 sessions on an unmedicated individual with symptoms related to PPPD that were still present 3 years after the initial diagnosis. Along with significant reduction in those symptoms, other accompanying symptoms (like anxiety, intrusive violent thoughts, suicidal thoughts) were markedly improved with ILF NFB. Consistent symptom tracking from session to session, as well as before and after CPT data were used to document reported changes with ILF NF.
View Full Paper →EEG Neurofeedback Treatment of Patients with Down Syndrome
Down syndrome is the most common identifiable cause of intellectual disability, accounting for almost one third of cases and approximately 1 in 800 births. Neurofeedback (NF) is an operant conditioning method for retraining brain wave (EEG) patterns. An increasing number of clinicians use operant conditioning of EEG activity as a method of helping children with Attention Deficit Hyperactivity and Generalized Learning Disability (ADHD/ADD or GLDO). Some Down syndrome children display symptoms of ADHD/ADD, GLDO or both. We believed that NF may have potential in helping children with Down syndrome. Methodology: Eight children with Down Syndrome (ages 6-14) were evaluated through questionnaire, parent interview, and pre- and post-treatment quantitative EEG's. All eight children were seen by the first author and by the special educator at the baseline, and at the 20th, 40th and 60th treatment sessions. Pre-treatment QEEGs were analyzed using the NxLink normative database and generally showed excess delta and theta EEG patterns. None of the subjects were able to speak more than one word sentences and they had very limited vocabulary (between 5-10 words). They usually pointed a finger to communicate and were not able to engage in basic conversation. All children displayed very poor attention and concentration, poor memory, impulsivity, behavior problems, in some cases balance problems. The purpose of this preliminary study was to evaluate whether QEEG guided, bipolar montage NF training is effective in developing speech, improving attention and concentration, improving learning, decreasing behavioral problems or impulsivity, and alleviating balance problems in Down Syndrome children. All subjects were medication-free during treatment. NF training was conducted using Lexicor Biolex software with electrode placement guided by QEEG findings, seeking to normalize abnormal QEEG patterns. Training continued until the subjects demonstrated improvement and there were significant improvements in the reports of parents, or until a total of 60 treatment sessions were provided. Scores derived from a combination of questionnaire and parental ratings were obtained pre- and post-treatment in the areas of memory, speech and language, attention, behavior, and balance. Results. One subject dropped out after eight sessions. All seven children who completed NF training showed significant (p < .02) improvement in all areas evaluated based on the questionnaire and parent interviewing, and changes were found in QEEGs. Further study with a control group and additional outcome measures is warranted. © by The Haworth Press, Inc. All rights reserved.
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