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  • Research


    What is it?

    BLAST (TM) is short-form for bi-lateral alternating stimulation delivered tactile. BLAST's origins began as a component of Sharpiro's EMDR therapy (Shapiro & Solomon, 1995) and was later used as a psychological exposure with accupoint tapping and the Emotional Freedom Technique to produce incremental benefits beyond talk therapy approaches (Feinstein, 2010; Well et al., 2010) 



    What can it be used for?

    BLAST can be used in inhibit the human stress response and enhance memory recognition, both in and outside the therapeutic context, and this application has many advantages including being passive, fast acting, and non-invasive.

    LAST’s positive effects on the human stress response system can be used outside of the therapy session as a cost-effective adjunct to therapeutic treatment or a stand-alone methodology to improve individual’s lives.


    QEEG data

    Archival quantitative electroencephalogram
    data suggests that when BLAST is applied and before/after z-score LORETA analysis is used, there are significant changes in amygdala, insula, and somatosensory function that could explain how BLAST de-escalates the human
    stress response and also lessens or eliminates body sensations associated with distressing recall or physical pain. Lubar (2016, personal communication) reviewed these data and concurred with the hypothesized conclusions.
    Image above shows a 38 year old male CEO brain scan before and after 30 seconds of BLAST. The reduction in red correlates with a reduction in beta* brain waves.
    *Beta waves are associated with stress and anxiety.

    INTERVIEW WITH Dr. AMy serin

    • facts about bilateral stimulations

    • Bi-lateral tactile stimulation has a  memory enhancement effect.

    BLAST has a statistically significant additional benefit over simultaneous or continuous stimulation on patients with PTSD. (Servan-Schreiber, Schooler, Dew, Carter, and Bartone (2006) )

    Trying to self-produce tactile stimulation does not have the same effect on the brain as externally produced stimulation. (Blakemore, Wolpert, & Frith (1999)

    Externally produced tactile stimulation differs from self-produced stimulation.

    White papers

    Click The Links to see each Research Finding's:



    Applied Bi-Lateral Alternating Stimulation- Tactile (BLAST) As a Stress Inhibitor Amy Serin

    Applied Bi-Lateral Alternating Stimulation- Tactile (BLAST) As a Stress Inhibitor
    Amy Serin, PhD.

    Applied Bi-Lateral Alternating Stimulation- Tactile (BLAST) Evidence from Quantitative Electroencephalogram Amy Serin, PhD

    History of Clinical and Non-Clinical Applications of Bi-Lateral Alternating Stimulation-Tactile (BLAST)
    Amy Serin, PhD