memory enhancement
Research Papers
Validating the efficacy of neurofeedback for optimising performance
The field of neurofeedback training has largely proceeded without validation. Here we review our studies directed at validating SMR, beta and alpha–theta protocols for improving attention, memory, mood and music and dance performance in healthy participants. Important benefits were demonstrable with cognitive and neurophysiological measures which were predicted on the basis of regression models of learning. These are initial steps in providing a much needed scientific basis to neurofeedback, but much remains to be done.
View Full Paper →The improvement/rehabilitation of auditory memory functioning with EEG biofeedback
Five clinical case studies (1 normal, 3 brain injured and 1 subject who had a left frontal hematoma) are presented which addressed the effectiveness of EEG biofeedback for auditory memory impairment. A normative QEEG activation database of 59 right-handed subjects was developed, which delineated the QEEG variables which were positively related to auditory memory performance (paragraphs). Persons who had experienced a brain injury underwent the same procedure employed in the development of the database. The person's values on the effective parameters of memory functioning were determined. EEG biofeedback interventions were determined by the individual's deviation from the normative reference group in terms of the relevant QEEG parameters of effective auditory memory (paragraph recall). Improvements ranged from 39% to 134% and either maintained or improved in all of the subjects who had a follow up assessment that occurred from one month to one year following termination of treatment.
View Full Paper →Improvement/Rehabilitation of Memory Functioning with Neurotherapy/QEEG Biofeedback:
This article presents a new approach to the remediation of memory deficits by studying the electrophysiological functioning involved in memory and applying biofeedback techniques. A Quantitative EEG (QEEG) activation database was obtained with 59 right-handed subjects during two auditory memory tasks (prose passages and word lists). Memory performance was correlated with the QEEG variables. Clinical cases were administered the same QEEG activation study to determine their deviations from the values that predicted success for the reference group. EEG biofeedback interventions were designed to increase the value (to normal levels) of the specific electrophysiological variable that was related to successful memory function and deviant in the subject. Case examples are presented that indicate the successful use of this intervention style in normal subjects and in subjects with brain injury; improvement cannot be fully explained by spontaneous recovery, given the time postinjury. Five cases (two normal, two subjects with brain injury, and one subject who had stereotactic surgery of the hippocampus for seizure control) are presented. Improvements ranged from 68% to 181% in the group of patients with brain injury, as a result of the interventions.
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