Psychotherapy Imagery

Abstract

Psychotherapy imagery, which MeSH classifies under psychotherapy, is the deliberate use of mental images — internally generated perceptual experiences arising without the corresponding stimulus — as the working medium of psychological treatment. This article sets out its cognitive basis: mental images are depictive representations that recruit much of the perceptual cortex used in seeing, which is why an imagined scene can carry an emotional force that a verbal thought cannot. It reviews the special relationship between imagery and emotion, the major clinical methods built on it — systematic desensitization, guided affective imagery, imagery rescripting, and functional imagery training — and the neural evidence that imagined events regulate the brain's threat and reward systems. Three demonstrations model the imagery-emotion amplification, habituation across an imagined anxiety hierarchy, and the appraisal shift produced by rescripting.

Keywords: mental imagery, emotion, imagery rescripting, systematic desensitization, psychotherapy

Mental imagery is the experience of perception in the absence of the corresponding external stimulus: seeing with the mind's eye, hearing an imagined voice, feeling an imagined movement. Psychotherapy imagery is the clinical harnessing of that capacity, in which a therapist prompts, shapes, and works with a patient's images to change what those images mean and how they feel. The practice rests on a robust cognitive finding — that imagery bears a closer, more amplifying relationship to emotion than verbal thought does — and it predates the science that explains it, running from the imagined anxiety hierarchies of mid-century behaviour therapy to contemporary imagery-based treatments for intrusive memories, depression, and craving (Holmes & Mathews, 2010). What unites these methods is a single wager: that because an image is processed much as a percept is, an imagined event can reach the emotional and motivational systems that a spoken sentence leaves untouched, and can therefore be used to alter them (Hackmann & Holmes, 2004).

What Psychotherapy Imagery Is

Psychotherapy imagery is not a single technique but a family of methods sharing one instrument: the mental image, deliberately generated and deliberately worked with. In some methods the therapist supplies the image and directs its unfolding; in others the patient's own spontaneous or intrusive images are the raw material; in all of them the image, rather than the argued proposition, is what is changed. This is a genuine departure from purely verbal therapy. A patient can state, correctly and sincerely, that a feared situation is safe and still feel dread, because the belief is held verbally while the fear is held in imagery; addressing the image directly is what the verbal statement cannot do (Hackmann & Holmes, 2004).

The clinical interest in imagery follows from a property of the images themselves. A mental image is a depictive representation — it stands in for its object by resembling it, preserving spatial and perceptual structure — rather than a description, which stands in by convention. Because of this, imagery interacts with the perceptual and emotional systems in ways that description does not, and the whole enterprise of imagery-based psychotherapy is an attempt to put that interaction to therapeutic use (Pearson et al., 2015). The account below moves from that cognitive foundation, through the imagery-emotion link, to the clinical methods it licenses.

The Cognitive Basis: Depictive Mental Imagery

The claim that imagery resembles perception is not a metaphor but a neural fact. The long-running imagery debate asked whether mental images are genuinely picture-like, depictive representations or whether they are stored propositionally and merely feel pictorial. The depictive account, developed by Stephen Kosslyn, held that visualizing an object activates a topographically organized representation in early visual cortex — a spatial map in which parts of the image correspond to parts of the cortical surface — and imaging studies confirmed that mental imagery recruits much of the same visual machinery, including retinotopically mapped areas, that seeing does (Kosslyn et al., 2001). Visualizing a face engages face-selective regions; imagining a movement engages motor regions. Imagery is, in a real sense, perception run partly in reverse, driven from memory rather than from the senses.

This shared substrate is the reason imagery has clinical force. Because an imagined scene engages the perceptual systems that a real scene would, it can serve as a controlled, internally generated stand-in for an experience that cannot safely or practically be staged — a feared situation, a traumatic memory, a desired future (Pearson et al., 2015). The same overlap explains why imagery draws on limited-capacity resources: holding and manipulating a vivid image competes for the visuospatial components of working memory, which is both why images can be deliberately weakened by a competing visuospatial task and why they can be deliberately strengthened by rehearsal. Imagery, then, is not a faint copy of thought but a distinct representational format with its own cortical basis and its own relationship to feeling.

The Special Relationship Between Imagery and Emotion

The finding that makes imagery clinically special is that it amplifies emotion relative to verbal processing of the same content. In a series of experiments, Emily Holmes and Andrew Mathews showed that when people process emotional material as imagery — picturing the described event — they report substantially stronger emotional responses than when they process the identical material verbally, as meanings and propositions (Holmes & Mathews, 2005). The effect holds for negative material, where imagery heightens anxiety, and for positive material, where imagery heightens positive affect, which rules out a simple negativity artefact and points to imagery itself as the amplifier. The first demonstration models this asymmetry, letting the reader shift the same emotional content from a verbal to an imagery processing mode and watch the predicted emotional response grow.

Why should picturing an event move a person more than describing it? The foundational answer is Peter Lang's bio-informational theory of emotional imagery, which models an image as a network of propositions — the stimulus, its meaning, and, crucially, the efferent response propositions that specify the body's reaction — so that vividly generating the image activates its response propositions and, with them, the physiological and emotional systems the real event would engage (Lang, 1979). The contemporary simulation account develops this idea: because an image engages the perceptual systems that a real event would, the emotional and physiological systems downstream of perception respond as if to a weakened version of the real thing, in a way that an amodal verbal representation does not trigger (Ji et al., 2016). Imagery thus functions as an emotional amplifier, and this cuts both ways clinically. It is why intrusive imagery — the flashback in post-traumatic stress, the catastrophic picture in anxiety, the hopeless future scene in depression — is so distressing, and simultaneously why deliberately generated imagery is such a potent therapeutic lever (Holmes & Mathews, 2010). The clinical methods that follow are, in effect, disciplined ways of turning that amplifier down on the images that harm and up on the images that heal.

Clinical Methods Built on Imagery

The oldest imagery-based method is Joseph Wolpe's systematic desensitization, the founding technique of behaviour therapy. Wolpe had the patient construct a hierarchy of feared scenes graded from mildly to intensely threatening, train in deep muscle relaxation, and then vividly imagine each scene in turn while remaining relaxed, moving up the hierarchy only as each imagined scene ceased to provoke anxiety (Wolpe, 1961). The imagined exposure is the active ingredient: because the image engages the fear system much as the real situation would, pairing it with relaxation lets the conditioned anxiety weaken through reciprocal inhibition and habituation, a mechanism continuous with the classical conditioning account of how fears are acquired and extinguished. The second demonstration models the habituation of subjective distress across repeated imagined exposures to a single hierarchy item.

A very different tradition treats imagery not as graded exposure but as a stream to be entered and explored. Hanscarl Leuner's guided affective imagery, developed in Germany as Katathym-imaginative Psychotherapie, has the patient enter a relaxed state and then, prompted by the therapist with standard motifs such as a meadow, a stream, or a house, generate and narrate a flow of waking daydream imagery whose spontaneous content is taken to express emotional conflict and to allow it to be worked through within the imagined scene itself (Leuner, 1969). Here the therapeutic work happens inside the imagery: the therapist shapes the daydream, and change in the image is treated as change in the underlying emotional structure it depicts.

The most active contemporary method is imagery rescripting, in which a distressing image — typically an intrusive memory or a recurring catastrophic scene — is deliberately re-imagined so that its course and outcome change. The patient relives the image up to its worst point and then, rather than enduring it, transforms it: an adult self intervenes to protect the child in the memory, a feared outcome is replaced by a mastery outcome, the meaning of the scene is rewritten from within. Arntz and colleagues showed across clinical trials that rescripting changes the meaning and emotional charge of the memory rather than merely lowering arousal, which is why it is effective for the intrusive imagery of post-traumatic stress and is now a core technique in trauma-focused and schema therapy (Arntz, 2012). The third demonstration contrasts reliving a fixed distressing image with rescripting it, tracking how the appraisal of the scene, and the distress it carries, shift when the outcome is changed.

These methods share the mental image as their instrument but differ in what the image is, how it is worked with, and what mechanism it exploits. Table 1 sets the four principal imagery methods side by side — including functional imagery training, the goal-directed method taken up in the next section — with the image each uses, its core mechanism, and a representative source.

Table 1

Four Clinical Methods Built on Mental Imagery

Imagery, Craving, and Goal Pursuit

Imagery does not only carry fear and sadness; it also carries desire, and the same amplifying relationship that makes an imagined threat frightening makes an imagined reward compelling. The elaborated intrusion theory of desire, developed by David Kavanagh, Jackie Andrade, and Jon May, recasts craving as an essentially imagery-based experience: a desire begins as an intrusive thought about the target, which the person then elaborates into a vivid multisensory image — the taste of the food, the relief of the cigarette — and it is this elaborated image, competing for the resources of working memory, that constitutes the felt pang of craving (Kavanagh et al., 2005). The theory explains why craving is intrusive, why it waxes and wanes, and why a competing visuospatial task can blunt it: the interfering task disrupts the very imagery the craving is made of.

The same mechanism can be turned deliberately toward goals rather than away from temptations. Functional imagery training, developed by Andrade and Kavanagh, trains people to generate and rehearse vivid, emotionally engaging images of their goals and of the steps toward them, harnessing the motivational pull of imagery in the service of chosen behaviour rather than of craving. In a randomized controlled trial for weight loss, functional imagery training produced substantially greater weight reduction than a matched motivational-interviewing control over both the intervention period and follow-up, evidence that an imagery-based method can drive sustained behaviour change (Solbrig et al., 2019). Craving and goal pursuit thus turn out to be two faces of one imagery mechanism, and the drive circuitry the theory implicates connects the account to the broader study of reward processing.

Neural Evidence That Imagined Events Regulate Emotion

If imagery engages the perceptual systems and through them the emotional systems, then imagined events should be able to regulate those systems measurably, and they can. Using a conditioned-threat paradigm, Reddan and colleagues showed that imagined extinction — having people merely imagine a threatening sound, rather than actually presenting it, in the absence of the aversive outcome — reduced later threat responses as effectively as real extinction, and did so through overlapping neural pathways involving the ventromedial prefrontal cortex and the amygdala (Reddan et al., 2018). The imagined stimulus recruited the same regulatory circuitry the real stimulus would have, and imagining its safe outcome updated the threat memory much as real safe experience does. Figure 1 sketches why: an imagined scene, generated top-down in perceptual cortex, feeds the same limbic evaluation that a perceived scene does, whereas verbal thought engages that evaluation far more weakly.

The regulatory reach of imagery is what unifies the clinical methods. Systematic desensitization updates a threat memory by imagined exposure; rescripting updates its meaning by imagined transformation; functional imagery training recruits reward circuitry by imagined goals. In each the therapeutic action runs through the perceptual-to-emotional pathway that imaging has now begun to map (Pearson et al., 2015), and the demonstration that imagined extinction alters real threat responses gives the whole family a mechanistic warrant it once lacked (Reddan et al., 2018).

Worked Example

The engine of imagined exposure is habituation: with repeated imagined confrontations of a feared scene, the distress it evokes declines toward a floor, exactly as the second demonstration shows. A convenient way to make this quantitative is to model the subjective distress after each imagined exposure as an exponential approach to a residual level. Let distress be measured in Subjective Units of Distress, the 0-to-100 SUDs scale used in desensitization, and suppose a particular hierarchy item starts at 80 SUDs, that repeated imagined exposure drives distress toward a residual floor of 10 SUDs, and that each exposure closes a constant fraction of the remaining gap, captured by a rate constant of 0.35 per exposure. The distress after n exposures is then the floor plus the initial excess decaying exponentially: S(n) = 10 + (80 − 10) × e^(−0.35n).

Evaluate it across the session. At the start, n = 0, the exponential is 1 and S(0) = 10 + 70 = 80 SUDs, the full initial distress. After one exposure, e^(−0.35) ≈ 0.7047, so S(1) = 10 + 70 × 0.7047 ≈ 59.3 SUDs. After three, e^(−1.05) ≈ 0.3499, giving S(3) = 10 + 70 × 0.3499 ≈ 34.5 SUDs. After five, e^(−1.75) ≈ 0.1738, giving S(5) = 10 + 70 × 0.1738 ≈ 22.2 SUDs. The distress has fallen from 80 to about 22, a drop of roughly 58 points. Expressed against the reducible portion — the 70 points lying between the start and the floor — the five imagined exposures have removed (80 − 22.2) / 70 ≈ 0.826, about 83 percent of the distress that could be habituated. This is the quantitative shape of what desensitization does within a session, and it is why the therapy moves up the hierarchy only once an item's imagined distress has fallen to a low, stable level: the curve must reach its floor before the next, more threatening scene is introduced.

Discussion

Psychotherapy imagery is unusual among clinical traditions in that its practice ran ahead of its theory by half a century and the theory has now largely caught up. Wolpe built systematic desensitization on imagined hierarchies in the 1950s with a behaviourist rationale; Leuner built an entire depth psychotherapy on guided daydreaming; and only later did cognitive science supply the reason these methods work — that mental images are depictive representations engaging perceptual cortex, and that this perceptual character gives imagery a privileged line to emotion (Kosslyn et al., 2001; Holmes & Mathews, 2005). The convergence is not merely tidy; it is generative, because understanding the mechanism has produced new methods, from imagery rescripting to functional imagery training, that target the imagery-emotion link deliberately rather than by clinical intuition (Blackwell, 2019).

Open questions remain. The dose-response and durability of imagery interventions are less well characterized than their acute effects, and the individual differences in imagery vividness — including aphantasia, the inability to generate voluntary visual images at all — raise the unresolved question of how imagery-based therapies should be adapted for people who image weakly or not at all (Pearson et al., 2015). There is also a translational gap: the laboratory demonstration that imagery amplifies emotion is far more precise than the clinical prescription of how much imagery, of what content, delivered how, produces the best outcome for a given disorder (Holmes et al., 2016). What is not in doubt is the core claim. Imagery is a distinct representational format with a perceptual substrate and an amplified relationship to feeling, and treatments that work with images directly can reach emotional and motivational systems that verbal methods reach only weakly — which is why imagery has moved from a mid-century behavioural tool to a central mechanism in contemporary cognitive therapy.

Current Directions

The most active current work treats imagery as a transdiagnostic mechanism rather than a technique tied to one disorder. In depression, the finding that patients experience deficits in positive future imagery, alongside intrusive negative imagery, has motivated interventions that train the deliberate generation of positive prospective images to counteract hopelessness, reframing part of depression as a disorder of imagery and pointing to imagery as a treatment target in its own right (Holmes et al., 2016). A parallel programme pursues the simulation account of emotional imagery — that imagery moves people because it is a simulation of reality processed by perceptual and emotional systems — as a unifying framework linking intrusive memory, craving, and prospection under one mechanism, and using it to predict where imagery interventions should transfer (Ji et al., 2016). The translational agenda that ties these together is the deliberate movement of basic imagery science into clinical practice: identifying which properties of imagery are therapeutically active, and building interventions that manipulate those properties precisely (Blackwell, 2019). The recurring theme is convergence, with laboratory measures of imagery and clinical outcomes increasingly studied within the same mechanistic model.

Common Misconceptions

Mental imagery is just a faint mental picture with no real effect on the mind or brain.

Imagery recruits much of the same topographically organized visual cortex used in perception and can drive emotional and threat circuitry measurably; imagined extinction reduces later threat responses through the same neural pathways as real extinction (Kosslyn et al., 2001; Reddan et al., 2018).

Imagery and verbal thought affect emotion in the same way, so it does not matter which a therapy uses.

The same material evokes stronger emotion when imagined than when processed verbally, for positive and negative content alike; this special relationship between imagery and emotion is precisely why imagery-based methods can reach affect that verbal methods leave untouched (Holmes & Mathews, 2005).

Imagery rescripting works by helping the patient relax and calm down during a distressing memory.

Rescripting changes the meaning and emotional charge of the memory by re-imagining its outcome, not merely by lowering arousal; it is the transformation of the image, not relaxation, that carries the therapeutic effect (Arntz, 2012).

Glossary

Aphantasia.

The absence of voluntary visual mental imagery; a person with aphantasia cannot generate a picture in the mind's eye, raising open questions for imagery-based therapies.

Bio-informational theory.

Peter Lang's account of emotional imagery as a propositional network of stimulus, meaning, and efferent response propositions, in which activating the response propositions is what gives an image its emotional and physiological force.

Depictive representation.

A mental representation that stands in for its object by resembling it, preserving spatial and perceptual structure, as a picture does; contrasted with a propositional description.

Elaborated intrusion theory.

Kavanagh, Andrade, and May's account of craving as an intrusive thought that is elaborated into a vivid multisensory image, which competes for working-memory resources and constitutes the felt desire.

Functional imagery training.

An intervention that trains vivid, emotionally engaging imagery of goals and the steps toward them to support behaviour change, harnessing the same imagery mechanism that underlies craving.

Guided affective imagery.

Leuner's method (Katathym-imaginative Psychotherapie) in which a relaxed patient generates and narrates a stream of waking daydream imagery, prompted by standard motifs, to surface and work through emotional conflict.

Habituation.

The decline of a response to a stimulus on repeated exposure; in desensitization, the fall of imagined-scene distress toward a residual floor across repeated imagined confrontations.

Imagery rescripting.

A technique in which a distressing image, often an intrusive memory, is re-imagined with a different, mastery-oriented outcome, changing the meaning of the memory rather than only its arousal.

Intrusive imagery.

Unbidden, often vivid mental images that recur against the person's will, such as trauma flashbacks or catastrophic anxious pictures; a target of imagery-based treatment.

Mental imagery.

The experience of perception in the absence of the corresponding external stimulus — seeing, hearing, or feeling with the mind — the raw material of psychotherapy imagery.

Reciprocal inhibition.

Wolpe's principle that a response such as relaxation, incompatible with anxiety, can weaken a conditioned fear when repeatedly paired with the feared imagined stimulus.

Simulation of reality.

The account on which emotional imagery moves a person because it engages the perceptual and emotional systems as a weakened version of the real event would, unlike an amodal verbal representation.

Subjective Units of Distress.

A 0-to-100 self-report scale of momentary distress, used in desensitization to rate each hierarchy item and to track habituation across imagined exposures.

Systematic desensitization.

Wolpe's behaviour therapy in which a patient imagines a graded hierarchy of feared scenes while relaxed, so conditioned anxiety weakens through reciprocal inhibition and habituation.

Topographic organization.

The spatial mapping in early visual cortex in which adjacent parts of the visual field are represented by adjacent cortical locations, preserved when a scene is imagined as well as seen.

Key Researchers

Jackie Andrade. Professor of Psychology at the University of Plymouth; co-originator of the elaborated intrusion theory of desire and of functional imagery training, linking working-memory research on imagery to a mechanistic account of craving and to a practical imagery-based intervention. Faculty Page - Google Scholar - Wikipedia - ORCID

Arnoud Arntz. Emeritus professor at the University of Amsterdam, previously at Maastricht University; he developed and evidenced imagery rescripting, showing that re-imagining a distressing memory's outcome changes its meaning, and made it a core technique in trauma-focused and schema therapy. Faculty Page - Google Scholar - ORCID

Emily A. Holmes. Professor at Uppsala University, affiliated with Karolinska Institutet and the University of Oxford; she established the modern study of mental imagery in emotional disorders, showing imagery's amplified relationship with emotion and translating it into imagery-based interventions for intrusive memory, depression, and bipolar disorder. Faculty Page - Google Scholar - Wikipedia - ORCID

David J. Kavanagh. Professor at the Queensland University of Technology; he co-authored the elaborated intrusion theory of desire, recasting craving as an intrusive elaborated image, and co-developed functional imagery training to harness the same mechanism for goal pursuit and behaviour change. Faculty Page - Google Scholar - ORCID

Stephen M. Kosslyn. Formerly Professor of Psychology at Harvard University, later at Minerva; he established the depictive account of mental imagery in the imagery debate and mapped its neural foundations, showing that visualizing recruits much of the same topographically organized visual cortex as seeing. Faculty Page - Google Scholar - Wikipedia - ORCID

Hanscarl Leuner (1919-1996). Professor of Psychiatry at the University of Göttingen; he developed guided affective imagery, or Katathym-imaginative Psychotherapie, a structured method in which the therapist prompts and shapes a stream of waking daydream imagery to surface and work through emotional conflict. Wikipedia - Wikidata

Joseph Wolpe (1915-1997). Psychiatrist at Temple University; a pioneer of behaviour therapy, he built systematic desensitization on imagined anxiety hierarchies, using vividly imagined feared scenes paired with relaxation as the first controlled therapeutic use of mental imagery. Wikipedia - Wikidata

Frequently Asked Questions

What is psychotherapy imagery? Psychotherapy imagery is the deliberate use of mental images as the working medium of treatment, in which a therapist prompts and works with a patient's images to change what they mean and how they feel, on the premise that imagery reaches emotion more directly than verbal thought (Hackmann & Holmes, 2004).

Why does imagining something affect emotion more than thinking about it in words? Because a mental image is processed much as a percept is, engaging the perceptual and emotional systems as a weakened simulation of the real event, whereas a verbal proposition engages those systems far more weakly; the same material reliably evokes stronger emotion when imagined (Holmes & Mathews, 2005).

Is mental imagery really like seeing? In a neural sense, yes: visualizing recruits much of the same topographically organized visual cortex, including retinotopically mapped areas, that seeing does, which is why the depictive account of imagery prevailed and why imagery has genuine perceptual and emotional force (Kosslyn et al., 2001).

How does systematic desensitization use imagery? The patient imagines a graded hierarchy of feared scenes while deeply relaxed, moving up only as each imagined scene stops provoking anxiety; the imagined exposure engages the fear system so that the conditioned anxiety weakens through reciprocal inhibition and habituation (Wolpe, 1961).

What is imagery rescripting? Imagery rescripting has the patient relive a distressing image up to its worst point and then re-imagine it with a different, mastery-oriented outcome, changing the meaning and emotional charge of the memory rather than only its arousal; it is now central to trauma-focused and schema therapy (Arntz, 2012).

Can imagery be used for craving and motivation, not just fear? Yes. The elaborated intrusion theory casts craving itself as a vivid image, and functional imagery training turns the same mechanism toward goals, producing greater weight loss than a motivational-interviewing control in a randomized trial (Solbrig et al., 2019).

Is there brain evidence that imagined events regulate emotion? Yes. Imagining a threatening stimulus without its aversive outcome reduced later threat responses as effectively as real extinction, working through overlapping ventromedial prefrontal and amygdala pathways, showing that imagery reaches the brain's regulatory circuitry (Reddan et al., 2018).

Does imagery-based therapy work for everyone? Not straightforwardly. People differ in imagery vividness, and some with aphantasia cannot generate voluntary images at all, so how imagery interventions should be adapted for weak imagers is an open question in current research (Pearson et al., 2015).

References