Clay Art Therapy

Clay within the arts therapies

Clay work has been reported within art therapy for several decades. A 1996 article in the American Journal of Art Therapy described group work with clay among hospitalized older people recovering from stroke and hip fracture, combining two-handed movement with social interaction. The sources reviewed for this page do not trace when clay first entered art therapy, so a fuller history of the medium is not given here.

Clay field work in Germany

Practitioners of Clay Field Therapy describe it as a sensorimotor art therapy approach developed by Heinz Deuser in Germany from the 1970s. Cornelia Elbrecht, who trained and later taught in this approach, recalls that Deuser began by exploring clay as a touch experience with closed eyes and later built a shallow box of clay, the clay field, from a discarded window frame. These are first-person recollections published on the author's own training site, and the approach is described as developing over roughly forty-five years.

Clay therapy and art therapy

Clay Art Therapy is not a separate profession. The American Art Therapy Association describes art therapy as a mental health profession that uses art making, the creative process, psychological theory and the therapeutic relationship. The British Association of Art Therapists describes it as an established form of psychotherapy in which art is the main mode of expression alongside talking with an art therapist. Neither page mentions clay, so clay is best read as one of the materials available within that wider practice. Machipedia covers the wider field on the page named Art Therapy. Related Machipedia pages include Sculpture Therapy, Sandplay, Expressive Arts, Mandala Therapy, Play Therapy and Psychotherapy; the sources reviewed here do not compare clay work with them.

Clay field and related terms

Published studies use phrases such as clay therapy, art therapy with clay and clay art therapy for sessions in which participants shape clay. Clay Field Therapy is a named approach whose proponents classify it as bottom-up and sensorimotor, meaning it works through touch and movement instead of through talking or finished objects. They also use the term haptic perception for perception with the hands. These are the terms of one training community and are not used by every art therapist.

How clay sessions are described in studies

In reported studies the format varies. A Turkish trial in people with chronic stroke added clay sessions to routine physical therapy, delivered twice a week for 60 minutes over 8 weeks. A Brazilian qualitative study of a psychiatric day hospital described seven clay therapy sessions. A Turkish study in hospital neurology wards asked patients to make clay objects of any shape they wished. These descriptions come from study abstracts, and sessions run by individual art therapists may look different.

Sensory and tactile emphasis

Clay Field Therapy practitioners describe a session in which a client works with clay in a shallow wooden box, often with eyes closed, and attention rests on touch and the felt response to the material more than on making an image. They propose that touch memories linked to early attachment can surface in this way. This is the practitioners' account of the approach and the sources reviewed here do not test it. The page does not provide instructions for conducting it.

Uses proposed in clinical studies

Authors of the clay studies reviewed propose uses in several settings: reducing hopelessness and depression in people with neurological illness, easing anxiety and supporting creativity and self-awareness in psychiatric day care, and combining two-handed sensorimotor activity with social contact in geriatric rehabilitation. These are proposals made by the study authors, not established findings, and each rests on a small sample at a single site.

Uses proposed by clay field practitioners

Clay Field Therapy practitioners propose that the approach can address early attachment difficulties, developmental setbacks and traumatic events in a mainly non-verbal way, and they state that emerging research supports its use with traumatized children and adults. The interview reviewed does not cite the studies, so these statements are reported here as the practitioners' position and not as tested claims. Evidence for clay in trauma is discussed under Research and Evidence.

Art therapy evidence in general

A UK health technology assessment of art therapy for non-psychotic mental health disorders included 15 randomized trials with 777 participants. Meta-analysis was not possible. Ten of the 15 trials reported significant improvement in mental health symptoms relative to a control group, four reported improvement without a difference between groups, and one favored the control group. Trial quality was generally low. The authors concluded that the evidence was limited and that further studies were needed. These findings concern art therapy in general and not clay specifically.

A Cochrane review of art therapy for people with dementia found two randomized trials with 60 participants analyzed. It reported no clear differences between art therapy and active control groups, rated the evidence as very low quality, and concluded that evidence about efficacy was insufficient. The review concerns art therapy as a whole, not clay.

Clay-specific studies

A 2024 randomized trial in Turkey enrolled 60 people with chronic stroke who received physical therapy, with or without 8 weeks of clay therapy. Posttest depression and hopelessness scores were lower in the clay group. The comparison group received no matched activity, outcomes were self-reported scales, the trial ran at one site over about two months, and the abstract does not describe blinding or longer follow-up.

An earlier Turkish study of 50 neurology inpatients, with epilepsy or stroke, used a single group measured before and after clay work and reported lower hopelessness scores afterward. With no comparison group, change over time cannot be separated from other influences. A qualitative Brazilian study of 16 day-hospital patients reported themes of becoming familiar with, feeling and realizing the effect of clay, and described benefit for those seeking anxiety relief, but it measured no outcomes.

What was not found

The searches for this page did not locate open-access copies of two frequently cited clay papers, a 2012 randomized trial of clay work and negative mood by Kimport and Robbins and a 2006 review of clay work by Sholt and Gavron. They are therefore not summarized. No Cochrane review of art therapy for mental health disorders by Maratos and colleagues was located, and no controlled trial of Clay Field Therapy was found among the sources opened. Claims about trauma, post-traumatic stress and cancer care using clay rest on practitioner accounts in the sources reviewed, not on trials.

Emotional effects and therapist skill

The qualitative review in the UK assessment found that potential harms reported by people receiving art therapy related to the activation of emotions that were then unresolved, lack of skill of the art therapist and sudden ending of therapy. Clay Field Therapy practitioners themselves link the approach to touch memories that may include traumatic ones. Material of this kind may surface during any art therapy session, which is one reason sessions are led by trained clinicians. This page does not replace mental health care or medical assessment.

Clay dust and studio materials

A 2026 qualitative study of 50 ceramic artists and students in Ghana states that clay and glaze materials commonly contain silica, that airborne respirable silica from dry clay dust, glaze powders and kiln emissions can cause silicosis, and that awareness of the hazard in studios is often low. Participants reported chronic cough, chest tightness and breathing difficulty, and the authors list dust control, ventilation and wet cleaning among suggested measures. The study is an occupational-health study of artists, not of therapy clients, and it did not measure exposure or assess lung health clinically. The sources reviewed do not cover glaze chemicals, kiln hazards, allergies or hand injuries in therapy settings, so those are not described here.

Training and registration

The American Art Therapy Association states that art therapists hold a master's-level or higher degree and that credentials can be verified through the Art Therapy Credentials Board. The British Association of Art Therapists states that the titles art therapist and art psychotherapist are protected in the UK and that art therapists must be registered with the Health and Care Professions Council. The Clay Field Therapy training community lists its own certified courses, which this page has not independently assessed. A person seeking care can ask a practitioner about their qualifications and registration, and should not delay or replace necessary medical or mental health care.