Theraplay: a psychotherapeutic approach based on Attachment and Play - Theoretical Foundations, Operational Dimensions and Clinical Applications

Article written in collaboration with @dott.ssa_bianca.asciutto

Abstract

Theraplay represents a brief, structured, attachment-based dyadic psychotherapeutic intervention developed at the Theraplay Institute of Chicago in 1967 by Ann Jernberg and Phyllis Booth. This approach integrates Bowlby's attachment theory, affective neuroscience, play research, and Porges's polyvagal theory, promoting emotional and behavioral regulation through safe and restorative play interactions. The article examines the theoretical foundations, the four operational dimensions (structure, engagement, caregiving, and challenge), the neurobiological basis of the intervention, and clinical applications with children aged 3 to 13 years presenting with attachment difficulties, relational trauma, and emotional dysregulation.

Introduction

Theraplay was founded in 1967 at the Theraplay Institute in Chicago thanks to the pioneering work of Ann Jernberg and Phyllis Booth (Booth & Jernberg, 2010). It is a form of short dyadic psychotherapy in which the child and the caregiver are both active protagonists of the therapeutic sessions. The approach is distinguished by its focus on interaction in the here and now and by the systematic use of play as the main therapeutic tool (Munns, 2009).

Unlike other childhood therapeutic approaches, Theraplay places particular emphasis on dyadic relationships and emotional co-regulation, modulating interventions based on the child's arousal level (Siu, 2014). The primary goal is to improve the quality of the attachment bond through structured play experiences, promoting the development of more functional relational modalities and increasing both the child's social skills and the adult's parenting skills (Wettig et al., 2011).

Theoretical Foundations of Theraplay

Attachment Theory as the Basis of Intervention

Theraplay has its roots in John Bowlby's (1969, 1988) attachment theory, according to which early relational patterns with reference figures shape the Internal Operating Models (MOIs) that the child uses to interpret future relationships. Attachment security depends on the sensitivity and responsiveness of the caregiver, who serves as a secure basis for exploring the world (Ainsworth et al., 1978).

The Theraplay intervention works directly on the caregiver-child dyad, promoting the modification of MOIs through corrective relational experiences (Booth & Jernberg, 2010). The child progressively relearns to be in safe physical and emotional closeness with the other, experiencing interaction patterns characterized by attunement, predictability and responsiveness (Siegel, 1999). This process allows the repair of insecure or disorganized attachment experiences, favoring the internalization of a secure base (Cassidy & Shaver, 2016).

Neuroscience, Play and Brain Development

Affective neuroscience has shown that play plays a crucial role in brain development and emotional regulation (Panksepp, 2004). Play elicits pleasurable emotions and promotes the release of neurotransmitters such as dopamine and serotonin in brain areas associated with pleasure and well-being (Brown & Vaughan, 2009). These neurochemical processes not only make the play experience inherently rewarding but also facilitate neural learning and plasticity.

Brain studies highlight that play regulates the limbic system and difficult emotions, promoting the development of the prefrontal lobe (Schore, 2003). Through safe and tuned play interactions, selective synaptic pruning and strengthening of neural connections associated with emotional regulation and executive functions occur (Perry, 2009). The repetition of positive experiences in the therapeutic context enables neuroplasticity, that is, the modification of brain structures and neural circuits in response to the experience (Siegel, 2012).

Polyvagal Theory and the Regulation of Arousal

Stephen Porges's (2011) polyvagal theory provides a neurophysiological framework for understanding how Theraplay influences emotional regulation. According to Porges, the vagus nerve, a component of the autonomic nervous system, underlies our alarm system and is implicated in regulating emotions and defense responses (attack, escape, freezing).

The play activities proposed in Theraplay calm the vagus nerve, activating the social engagement system (social engagement system) mediated by the ventral ramus of the vagus (Porges, 2007). This allows the child to move from hyper- or hypo-arousal states to an optimally regulated state, within the tolerance window (Siegel, 1999). The intervention takes into account the child's specific sensory needs: for children in hypoarousal (withdrawal, dissociation), games are used that promote activation; for those in hyperarousal (agitation, hyperactivity), activities that promote downward regulation and containment are proposed (Lindaman & Booth, 2010).

The Importance of Interaction in the Here and Now

Theraplay places a particular focus on interpersonal experiences in the immediate present. Research shows that positive interpersonal interactions increase a child's social skills and shape brain development through co-regulatory mechanisms (Tronick, 2007). The quality of dyadic interactions directly influences the maturation of neural circuits responsible for emotional regulation, empathy, and mentalization (Fonagy et al., 2002).

The concept of co-regulation of arousal is central: through the proposed games, the child progressively learns to regulate himself and make his window of tolerance more flexible (Ogden et al., 2006). The caregiver, guided by the therapist, becomes an external regulator who is gradually internalized by the child, leading to the development of self-regulation skills (Sroufe, 1996).

The Primacy of the Nonverbal and the Focus on the Body

A distinctive aspect of Theraplay is the primacy accorded to nonverbal communication and physical contact. Through safe and gradual physical contact, the child relearns how to be pleasantly close, overcoming any traumatic experiences or relationship avoidance patterns (Booth & Jernberg, 2010). This approach recognizes that much emotional communication occurs through nonverbal channels such as gaze, tone of voice, posture, and touch (Schore, 2001).

Theraplay uses bottom-up techniques that facilitate the recognition of physical sensations, a fundamental aspect for the regulation of emotions (van der Kolk, 2014). Working directly with the body allows us to bypass cognitive defenses and access implicit patterns of relationship and emotional regulation stored at the somatic level (Ogden & Fisher, 2015). Body focus is particularly effective with children who have experienced early relational trauma, as trauma tends to be stored in procedural and somatic memory rather than narrative memory (Perry & Szalavitz, 2006).

The Four Operational Dimensions of Theraplay

Theraplay is divided into four fundamental operational dimensions, each aimed at specific aspects of the child's relational and emotional development: structure, involvement, care and challenge (Booth & Jernberg, 2010; Lindaman & Booth, 2010). These dimensions are not mutually exclusive but are seamlessly integrated into therapeutic sessions based on the individual needs of the child and the dyad.

1. Structure: Environmental Regulation and Predictability

The size of the structure focuses on environmental regulation, which promotes the child's self-control and adaptation skills. Facility activities involve the adult organizing the child's environment to be safe, predictable, and contained (Munns, 2009). This external organization gradually supports the development of the child's internal regulation.

The facility is particularly useful for children with ADHD and difficulty following rules, as it provides clear boundaries and predictable expectations that reduce anxiety and increase a sense of security (Siu, 2014). It is also indicated for caregivers who have difficulty establishing appropriate rules and boundaries, helping them develop authoritative (non-authoritarian) guidance skills in the child's behavior.

Key elements of the structure include:

• Predictable routines and rituals that create clear expectations

• Firm but gentle boundaries that define the boundaries of acceptable behavior

• Organization of the physical and temporal space of activities

• Adult guide providing containment without being punitive

2. Engagement: Emotional Connection and Tuning

The engagement dimension promotes shared pleasure, synchrony, and reciprocity, fundamental elements for emotional connection. Through activities tuned to the child's needs, the child feels seen, heard, and understood (Booth & Jernberg, 2010). Engagement facilitates the development of mentalization, that is, the ability to understand one's own and others' mental states (Fonagy et al., 2002).

This dimension is particularly useful for self-confident, inhibited, or overly rigid children who have difficulty making emotional contact with others (Wettig et al., 2011). It is also indicated for caregivers who are inattentive or have difficulty tuning in with their child, helping them develop greater sensitivity and responsiveness to their child's signals.

Engagement activities include:

• Games of mutual gaze and emotional mirroring

• Rhythmic and synchronized activities that promote tuning

• Moments of mutual play celebrate the uniqueness of the child

• Experiences of shared pleasure that strengthen the bond

3. Care: Care, Safety and Containment

In the caring dimension, the therapist proposes structured activities that elicit calm, security, and containment. The child feels cared for and comforted both physically and emotionally (Booth & Jernberg, 2010). Caregiving activities are relaxing and reassuring and, through physical contact, allow for particularly effective regulation of the arousal (Lindaman & Booth, 2010).

Caregiving is crucial for children who are agitated, have post-traumatic stress disorder (PTSD), or have physical and emotional injuries that have compromised basic trust (van der Kolk, 2014). It is also indicated for caregivers who wish to create restorative experiences through closeness and contact, especially when the relationship history has been characterized by emotional distance or trauma.

Caregiving activities include:

• Physical care rituals such as symbolic “check-ups or hand massages

• Moments of reassuring physical restraint

• Activities that communicate the message “I take care of you

• Calming sensory experiences that promote downregulation

4. Challenge: Competence, Autonomy and Self-Efficacy

Through challenging games, the child develops competence, autonomy and self-efficacy, always with the support of the adult. The therapist guides and supports the child in Vygotsky's (1978) zone of proximal development, encouraging him to take small developmental risks appropriate to his developmental level (Booth & Jernberg, 2010).

Challenge activities allow the child to feel capable and confident, to experience novelty and to explore beyond their comfort zone. This dimension is particularly useful for inhibited, fearful, or withdrawn children, or very rigid children, who avoid new situations for fear of failure (Siu, 2014). It is also indicated for caregivers who are competitive or have inadequate expectations for the child's developmental level, helping them better calibrate requests and celebrate incremental progress.

Elements of the challenge include:

• Tasks slightly above the child's current skills

• Gradual support and scaffolding that ensures success

• Celebration of attempts and progress, not just results

• Encouragement for exploration and tolerance of frustration

The Theoretical Reference Model: From Attachment to Neuroplasticity

Theraplay integrates several theoretical frameworks into a coherent approach that links attachment theory to the latest findings in neuroscience. Secure attachment forms the basis on which emotional regulation, self-esteem, and relational skills develop (Bowlby, 1988; Cassidy & Shaver, 2016). The caregiver-child bond serves as a relational matrix within which the child learns to modulate his or her emotions, develop trust in others and build a positive self-image.

The concept of neuroplasticity is central to understanding the mechanism of action of Theraplay (Siegel, 2012). Repeated experiences of tuning and co-regulation modify neural connections, creating new relational patterns that are gradually consolidated through repetition (Perry, 2009). This process allows the reorganization of Internal Operating Models, previously characterized by insecurity or disorganization, towards safer and more functional patterns.

Relationship repair is another key concept: Theraplay does not aim to eliminate breakups in relationships, but to teach how to repair them safely and connectedly (Tronick & Beeghly, 2011). This mirrors what happens in secure attachment relationships, where inevitable breakups are followed by effective repairs that strengthen, rather than weaken, the bond.

The Tolerance Window and the Regulation of the Arousal

A fundamental concept for understanding the Theraplay approach to emotional regulation is that of “tolerance window”, coined by Daniel Siegel (1999). The tolerance window represents the optimal arousal zone within which the child is regulated, can learn effectively and relate functionally.

When a child is above the window (hyperarousal), he or she experiences symptoms such as agitation, hyperactivity, anger, and disruptive behaviors. In this state, the sympathetic nervous system is hyperactivated and the child is in fight-or-flight mode; (Porges, 2011). The Theraplay intervention in these cases involves calming activities, physical containment, and caregiving activities that promote downward regulation.

When the child is under the window (ipoarousal), however, he shows symptoms of withdrawal, dissociation, emotional closure and apathy. In this state of freezing or collapse, the parasympathetic dorsal vagal nervous system is predominant (Porges, 2007). The intervention involves energizing activities, active involvement, and stimulation of the involvement and structure dimension that promote activation.

The therapeutic goal is to gradually broaden the window of tolerance through safe and predictable co-regulation experiences (Ogden et al., 2006). The caregiver, guided by the therapist, learns to recognize the child's arousal signals and modulate his or her responses accordingly, providing the right amount of activation or calm based on the needs of the moment.

The Role of Therapist in Theraplay

The Theraplay therapist takes on an active and structured role that is distinct from that of other childhood therapeutic approaches. Its function is not only as an observer or facilitator, but as an active guide who models safe and tuned interactions, directly involving the caregiver in the therapeutic process (Booth & Jernberg, 2010).

The initial assessment is a key moment in the process. The Marschak Interaction Method (MIM), a videotaped observation tool for caregiver-child interaction that allows us to identify relational patterns and areas of strength and difficulty in the dyad (Lindaman & Booth, 2010), is typically used. This structured assessment provides valuable information on which dimensions need more attention and how to personalize the intervention.

During the sessions, the therapist proposes activities aimed at the four dimensions, modeling effective interaction modalities for the caregiver. It supports the caregiver in the active role, providing positive feedback and suggestions in real time, and continuously adjusts the intensity and pace of activities based on the child's arousal (Munns, 2009). This flexibility in adapting the intervention moment by moment is a key skill of the Theraplay therapist.

A crucial aspect of the intervention is the transfer of skills into everyday life. The therapist teaches the caregiver to replicate activities at home, strengthens emerging parenting skills, and promotes the generalization of progress beyond the therapeutic setting (Siu, 2014). The goal is for the caregiver to become progressively autonomous in using the principles of Theraplay in daily interactions with the child.

Theraplay is directive but never intrusive: the therapist maintains clear and reassuring guidance, always respecting the child's timing and modulating the intervention based on nonverbal cues of comfort or discomfort (Booth & Jernberg, 2010). This balance between structure and sensitivity is essential to creating a therapeutic experience that is both safe and transformative.

Clinical Applications and Target Populations

Theraplay is suitable for children aged 3 to 13 years and mainly addresses three categories of difficulties: attachment issues, trauma and relationship stress, and emotional and behavioral dysregulation (Wettig et al., 2011).

Regarding attachment difficulties, Theraplay is particularly effective with children who exhibit insecure (avoidant, ambivalent) or disorganized attachment patterns, often the result of early experiences of neglect, maltreatment, or traumatic separations (Siu, 2014). The intervention aims to repair basic trust and promote the development of secure attachment through repeated corrective experiences.

In the case of trauma and relationship stress, Theraplay offers a nonverbal and somatic approach particularly suitable for children who have experienced traumatic experiences that can be difficult to process verbally (van der Kolk, 2014). The focus on the body and the regulation of arousal allows us to work directly with implicit memories of trauma, promoting the reorganization of stress response patterns.

For children with emotional and behavioral regulation difficulties, including those diagnosed with ADHD, oppositional disorders, or impulse control problems, Theraplay provides external structure, co-regulation opportunities, and successful experiences that promote the development of self-regulation skills (Munns, 2009). The four dimensions are balanced according to specific needs: greater structure for children with self-control difficulties, greater involvement for withdrawn children, and so on.

Empirical research supports the effectiveness of Theraplay. A study by Wettig et al. (2011) documented significant improvements in behavioral problems and social skills in children treated with Theraplay. Other studies have shown reductions in anxiety, improvements in attachment quality, and increases in caregivers' parenting skills (Lindaman & Booth, 2010; Siu, 2014).

Conclusions

Theraplay represents an innovative therapeutic intervention that solidly integrates attachment theory, affective neuroscience, play research, and polyvagal theory into a practical, evidence-based approach. Through safe, pleasurable, and restorative interactions, Theraplay promotes emotional and behavioral regulation, supports the development of security and trust, and strengthens the child-caregiver relationship (Booth & Jernberg, 2010).

The four operational dimensions — structure, engagement, nurturing, and challenge provide a flexible yet structured framework for modulating intervention based on the individual needs of each dyad. The therapist actively guides the process, involving the caregiver so that therapeutic experiences become internal relational models transferable into daily life (Munns, 2009).

The emphasis on the here and now, nonverbal communication, and co-regulation makes Theraplay particularly suitable for children who have difficulty accessing their emotional experiences through purely verbal modalities (van der Kolk, 2014). Recognizing the importance of physical sensations and using bottom-up techniques allow you to work directly with implicit memories and somatic patterns of regulation.

Future research should continue to explore the neurobiological mechanisms through which Theraplay produces its therapeutic effects, as well as explore which specific dimensions are most effective for which types of problems. Longitudinal studies could also investigate the stability over time of the improvements achieved and the factors that predict therapeutic success.

In conclusion, Theraplay offers a rich and multidimensional therapeutic approach that honors the complexity of child development and recognizes the central role of the caregiver-child relationship as a privileged context for growth, healing, and transformation. By fostering competence, autonomy, and self-efficacy in children, and strengthening adult parenting skills, Theraplay promotes systemic changes that extend far beyond the therapy room, positively influencing the developmental trajectory of the entire family system.

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