Introduction to Quantitative EEG and Neurofeedback - 1st EditionNeuropsychology Review. The ideographic, syndrome analysis and the nomothetic, standardized test battery approaches to neuropsychological assessment are compared and contrasted within the context of advances in noninvasive technology readily available for use within the examiner's office. By demonstrating the relative strengths and benefits of syndrome analysis, it is suggested that this approach provides a thorough and efficient method of neuropsychological assessment. Subsequently, the utility of an a priori hypothesis testing process approach as a critical technique in syndrome analysis will be supported. It will be proposed that QEEG procedures provide a useful method for further substantiating conclusions generated from a syndrome analysis approach to neuropsychological assessment. Two cases are described demonstrating the utility and flexibility of the QEEG as a confirmatory test of localization following syndrome analysis. In summary, the contributions that neuropsychologists make to the understanding of brain—behavior relationships may be strengthened by combining neuropsychological and neurophysiological assessment methods.
What Is Neurofeedback Therapy?
Quantitative Electroencephalography (QEEG) and Neuropsychological Syndrome Analysis
Preoccupation with drug and drug-related items is a typical characteristic of cocaine addicted individuals. It has been shown in multiple accounts that prolonged drug use has a profound effect on the EEG recordings of drug addicts when compared to controls during cue reactivity tests. Cue reactivity refers to a phenomenon in which individuals with a history of drug abuse exhibit excessive psychophysiological responses to cues associated with their drug of choice. One of the aims of this pilot study was to determine the presence of an attentional bias to preferentially process drug-related cues using evoked and induced gamma reactivity measures in cocaine addicts before and after biobehavioral treatment based on neurofeedback. Another aim was to show that central SMR amplitude increase and frontal theta control is possible in an experimental outpatient drug users group over 12 neurofeedback sessions. Ten current cocaine abusers participated in this pilot research study using neurofeedback combined with Motivational Interviewing sessions.
Neurofeedback techniques are used as treatment for a variety of psychological disorders including attention deficit disorder, dissociative identity disorder, depression, drug and alcohol abuse, and brain injury. Resources for understanding what the technique is, how it is used, and to what disorders and patients it can be applied are scarce. Practicing clinicians and clinical psychologists in independent practice and hospital settings. Nurses, physicians and education specialists. Basic Concepts of EEG.
Applied Psychophysiology and Biofeedback. One year after a left posterior and thalamic stroke, a year-old male participant was treated with 14 weeks of theta reduction neurofeedback training. Imaging studies revealed left temporal, parietal, occipital, and bilateral thalamic infarctions along the distribution of the posterior cerebral artery. Neuropsychological testing demonstrated severe verbal memory, naming, visual tracking, and fine motor deficits. Additionally, alexia without agraphia was present. A pretraining quantitative electroencephalograph QEEG found alpha attenuation, lack of alpha reactivity to eye opening, and excessive theta activity from the left posterior head region. Neurofeedback training to inhibit 4—8 Hz theta activity was conducted for 42 sessions from left hemisphere sites.