The Tapping Evidence Base
PTSD & Trauma

Thought field therapy and qEEG changes in the treatment of trauma: A case study

Diepold, J.H. Jr., Goldstein, D. · Traumatology · 2008

Case series 👥 1 participants ⚖️ vs. trauma-related recall vs neutral (baseline) event Preliminary ✓ Source-checked
In plain English. One patient's abnormal brainwave pattern linked to a specific traumatic memory normalized right after a Thought Field Therapy session, and stayed that way a year and a half later. As a single case, this is an interesting biological correlate but cannot establish general effectiveness.

What they found

1
One patient's abnormal brainwave pattern linked to a specific traumatic memory normalized right after a Thought Field Therapy session, and stayed that way a…

Reassessment of brain wave patterns immediately after TFT diagnosis and treatment revealed the previous abnormal pattern was altered and no longer statistically abnormal; 18-month follow-up indicated continued freedom from emotional upset regarding the treated trauma.

How the study worked

Who took part one patient with trauma-related abnormal brain wave patterns (n=1)
What they did This is a detailed report following a small number of individual cases through tapping.
Compared with trauma-related recall vs neutral (baseline) event
Measured with quantitative electroencephalography (qEEG)

⭐ Why this study matters

A qEEG reading of brainwave activity tied to a specific traumatic memory is about as close to photographing a piece of psychological pain as neuroscience gets, and in this one patient, that abnormal pattern normalized right after a single tapping-based session and stayed normal eighteen months later. A single case can't prove cause and effect, but a brainwave pattern that changes and holds for a year and a half is a striking biological data point.

💡 Where this could help

If a pattern like this were replicated across more patients, it would support using tapping as an early, self-administered or briefly clinician-guided step for people carrying a specific, identifiable traumatic memory, something that could be taught in one session rather than requiring months of ongoing treatment, extending trauma care to people who can't commit to a long therapy course.

🔬 What to study next

This single case cries out for a proper repeated-measures study: recruit a group of patients with trauma-linked abnormal qEEG patterns, treat them with tapping, and track brainwave normalization at multiple time points — immediately, weeks, and months later — to see how often the pattern holds versus reverts. Comparing qEEG changes against self-reported distress over the same timeline would also clarify whether the brainwave normalization leads emotional recovery, follows it, or moves in lockstep.

The full record

DesignCase series
Participants1 people
Populationone patient with trauma-related abnormal brain wave patterns
Comparison grouptrauma-related recall vs neutral (baseline) event
Outcome measuresquantitative electroencephalography (qEEG)
JournalTraumatology
Year2008
LanguageEnglish
MethodThought Field Therapy (related Tapping method)
Publication typeCase report
Verification✓ Confirmed against the primary source

Read the original study →

Cite this study

APA

Diepold, J.H. Jr., & Goldstein, D. (2008). Thought field therapy and qEEG changes in the treatment of trauma: A case study. Traumatology. https://doi.org/10.1177/1534765608325304

This record is part of the Tapping Evidence Base — an openly-sourced, fully-referenced directory of the research on EFT/Tapping. Explore more studies on PTSD & Trauma

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THE TAPPING EVIDENCE BASE PTSD & Trauma 1 participants WHAT THEY FOUND Reassessment of brain wave patternsimmediately after TFT diagnosis andtreatment revealed the previous abnormal… Case series · 1 participants Diepold · 2008 · evidence.thetappingsolution.com