Depersonalization-Derealization: PDF Worksheet, Tools and Exercises for Clinical Practice

Explaining depersonalization-derealization to a patient in words alone rarely lands cleanly. The sensation of unreality is already hard to articulate, and when you layer the maintenance loop on top, fear, hypervigilance, reassurance-seeking, évitement expérientiel, the patient often leaves with a vague sense of having been told something useful but without a clear map. This PDF worksheet gives you that map: a visual support you use directly in session to make the loop visible, interruptible, and less catastrophic.

Why depersonalization is so difficult to explain orally

The core clinical difficulty is double-layered: the patient struggles to name the experience, and then catastrophises the name they do find. Most patients arrive having Googled "depersonalization" and concluded they are either dissociating into psychosis or that something is neurologically broken. Disconfirming that belief verbally, while they are already hypervigilant, is slow work.

What keeps depersonalization going is not the initial trigger, it is the meaning-driven loop: the patient notices a sensation of unreality, appraises it as dangerous, scans for more evidence, finds it (because attentional monitoring manufactures signal), and then deploys safety behaviours that block disconfirmation. Numbing compounds the problem; cutting off emotion to cope deepens the very detachment the patient fears. The oral explanation of this cycle easily collapses into a circular paragraph. A visual layout cuts the circularity.

What the worksheet contains, and what the visual does

The fiche is organised across five panels. The anchor is "The Flower of Unreality": a diagram with four labelled petals (Fear, Checking, Avoiding, Numbing) feeding a central node of detachment. Each petal carries a prototypical internal monologue ("I'm losing it", "do I feel real?", "rush out, grip on") and a single-sentence clinical commentary, for example, "Monitoring creates noise" under Checking, and "The mute button backfires" under Numbing. Placed on a shared surface between you and the patient, this image does what speech cannot: it shows simultaneity. All four petals operate at once, reinforcing each other. The single most clarifying sentence in the fiche is "Loosen one petal, the whole flower loosens." That reframe, printed visually, changes the treatment logic for the patient.

The second panel separates depersonalization (detachment from self: hands that feel borrowed, robotic thoughts, muted emotion) from derealization (detachment from environment: rooms behind glass, voices too far away, familiar streets gone strange). Naming both explicitly matters in session, many patients have only one form, and confirming that their specific experience fits the map reduces the catastrophic appraisal considerably.

A worked example, a supermarket situation that tightens into a conditioned danger signal over weeks, makes the cognitive-behavioural formulation concrete without the clinician having to construct a bespoke example on the spot. The fifth panel lists six entry points (naming it neutrally, dropping one checking behaviour, dropping one safety move, anchoring attention outward with 5-4-3-2-1, testing the prediction, treating the sensation like weather). These can seed the session's intervention plan directly.

A brief "Common Confusions" panel addresses the differential: the worksheet states plainly that this is not psychosis, not a panic attack, and not depression, a comparison to psychosis symptoms that clinicians often need to make explicit before therapeutic work can progress.

> Key takeaway: the worksheet is a visual support that facilitates the explanation of the maintenance loop in session, not a self-help questionnaire to hand out. It lets you and the patient look at the same map together, name the petals, and identify one entry point to work on first.

When and how to introduce the worksheet

The natural moment is after an initial anamnesis has confirmed depersonalization-derealization as a primary feature, and once you have begun building the alliance thérapeutique. Introducing it too early, before the patient trusts the normalisation frame, risks the diagram being read as confirmation of damage rather than clarification of mechanism.

A workable introduction: "I want to show you something that might explain why this feeling keeps coming back even though you want it to stop." Then place the flower diagram in view and ask the patient which petal they recognise most. That question alone generates valuable formulation material and anchors the patient's engagement with the CBT maintenance model.

For patients who overlap with panic, the Checking and Avoiding petals resonate immediately. For those carrying dissociative features post-trauma, introduce the normalisation panel first to manage the catastrophic appraisal before mapping the loop. The six intervention entry points double as a session agenda: choose one with the patient, link it to a graded exposure or dropping safety behaviours, and return to the worksheet at the next session to track which petal has loosened.

The worksheet does not replace the case formulation, it makes one dimension of it visible. Leave it with the patient as a concrete reference between sessions, not as homework to fill in, but as a map they can return to when the next wave arrives.

Sources

• Hunter, E. C. M., Wong, C. L. M., Gafoor, R., Lewis, G., & David, A. S. (2023). Cognitive Behaviour Therapy (CBT) for Depersonalization Derealization Disorder (DDD): a self-controlled cross-over study of waiting list vs. active treatment. Cognitive Behaviour Therapy.
• Baker, D., Hunter, E., Lawrence, E., & David, A. (2018). Overcoming Depersonalisation and Feelings of Unreality: A self-help guide using cognitive behavioural techniques (2nd ed.). Robinson.