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The Relation Between Memory Improvement and QEEG Changes in Three Clinical Groups as a Result of EEG Biofeedback Treatment

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Check out this Knowledge Base article from StressTherapy Solutions: The Relation Between Memory Improvement and QEEG Changes in Three Clinical Groups as a Result of EEG Biofeedback Treatment.

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Study at a glance

Area
Ageing, Memory & Cognition
Study type
Observational study
Authors
Thornton KE, Carmody DP
Journal
Journal of Neurotherapy
Year
2013
Population
Children, Adults
Protocol
QEEG-guided EEG biofeedback (coordinated allocation of resource model)

Key findings

  • Auditory memory improved by an average of 1.52 SD (82%) and reading memory by 1.38 SD (154%)
  • The treated group scored 1.66 SD above the control group on auditory memory and 0.90 SD above on reading memory
  • Spectral correlation coefficient changes averaged 2.09 SD in alpha, 1.81 SD in beta1 and 1.77 SD in beta2
  • Relative power changes were smaller but still significant

DOI 10.1080/10874208.2013.785183 →

A retrospective review of the senior author's clinical files from five years of QEEG-guided EEG biofeedback, examining how memory gains related to QEEG changes. Groups included people seeking cognitive enhancement, people with traumatic brain injury (TBI), and adults and children with a specific learning disability. All groups improved significantly in auditory and reading memory, alongside QEEG changes. The largest QEEG shifts were in spectral correlation coefficients (a measure of how strongly brain locations are linked), which the authors say should be addressed in biofeedback protocols.