無料オンラインEMDRツール — 両側刺激

What is EMDR therapy and how does bilateral stimulation work?

EMDR (Eye Movement Desensitization and Reprocessing) is an evidence-based psychotherapy developed by Dr. Francine Shapiro in 1989. It uses bilateral stimulation — typically eye movements (left-right), alternating tones, or tactile pulses — to help the brain reprocess distressing memories. EMDR is recognised by the World Health Organization (WHO), the American Psychological Association (APA), and the Department of Veterans Affairs as an effective treatment for PTSD, anxiety, trauma, and other psychological conditions.

Bilateral stimulation engages both hemispheres of the brain through alternating left-right sensory input. During an EMDR session, the client follows a moving target — a light bar, a moving ball, or the therapist's finger — while focusing on a distressing memory. This dual-attention process helps the brain reprocess the memory, reducing its emotional intensity and allowing healthier cognitive associations to form. BilateralBound provides this moving target online: a smoothly animated ball that both therapist and client see in real-time through WebSocket synchronisation.

How online EMDR works with BilateralBound

1. The therapist creates a session on BilateralBound and receives a unique viewer link. 2. The link is sent to the client (patient) — no registration or installation needed, just open in any browser. 3. The therapist controls the ball's speed, direction, colour, and size from the controller panel. 4. The client follows the moving ball with their eyes on their screen — both see identical movement in real-time via WebSocket sync. 5. The therapist can pause, change direction (horizontal, vertical, diagonal, infinity/figure-8), adjust speed, and enable bilateral audio for enhanced stimulation.

What conditions can EMDR therapy help with?

EMDR therapy is primarily used for post-traumatic stress disorder (PTSD) and trauma processing. It is also effective for anxiety disorders, panic attacks, depression, phobias, obsessive-compulsive disorder (OCD), grief and loss, performance anxiety, and relationship trauma. EMDR is widely used in couples therapy and family therapy to process shared distressing experiences. BilateralBound provides the bilateral stimulation tool that therapists use during EMDR sessions — both in-person and remotely.

Online EMDR vs in-person: is remote therapy effective?

Research supports remotely delivered EMDR therapy. Online EMDR sessions follow the same eight-phase protocol as in-person therapy. The key difference is how bilateral stimulation is delivered: instead of following the therapist's hand or a physical light bar, the client follows a moving ball on their screen. BilateralBound's WebSocket-based real-time sync ensures millisecond-precise ball movement — both therapist and client see identical stimulation. This makes online EMDR as effective as in-person sessions for most clients, with the added convenience of remote access.