From Shock And Shame To Skill And Sensitivity

Power To Change Behaviour

Imagine a classroom of first‑semester MSc students entering clinical training for the first time. After years of reading about behaviour, they will soon sit across from actual clients, hold actual power, and bear actual responsibility. At this threshold, one question must guide them. It is not a technical question. It is ethical. Just because clinicians can change behaviour, should they?

This tension anchors two very different chapters in the history and practice of behavioural therapy. On one side, there is aversion therapy, a technique that harnessed learning principles in ways that caused extensive harm. On the other side, there is applied behaviour analysis, a framework that uses the same science for skill‑building and adaptation but still carries deep ethical puzzles.

Both chapters share a starting point. Behaviour, they show, can be shaped by contingencies. The story that follows is about what happens next: who defines the goals, who feels the pain, and how professional guidelines struggled to catch up with practice.

How Aversion Came To Therapy

The scientific roots of aversion therapy are classical and operant conditioning. Ivan Pavlov showed that neutral stimuli can acquire emotional significance through repeated pairing with biologically potent events. B F Skinner showed that voluntary behaviour expands or contracts depending on its consequences. From these insights came an idea that seemed logical. If a behaviour is maintained by pleasure, pairing it with something painful should weaken it.

In the 1930s and 1940s, early programmes targeted drinking. Patients were given drugs that induced violent nausea alongside alcohol intake. The experience was aversive. The hope was that the patient would associate drinking with sickness and reduce consumption. Similar principles were applied to smoking, obesity, and certain paraphilias.

The mechanisms were simple. Pair the target behaviour or its cues with something unpleasant. Let classical conditioning do the rest. A smell. A taste. A cue. All could become signals for discomfort rather than satisfaction. Over time, the behaviour might fade.

Clinicians working within this model were not all cynical. Many were driven by concern. Alcohol dependence, for example, carried clear risks. The desire to intervene seemed humane. The technique promised a direct, measurable path to change. The danger lay not in the science itself, but in how its practitioners expanded its use into domains where the “problem” was less about physical risk and more about social disapproval.

Sex, Stigma, And The Weaponisation Of Therapy

By the 1950s and 1960s, aversion therapy moved beyond substance‑related habits. It became a tool for changing homosexuality, often presented as a “treatment” for an illness. Homosexuality was illegal or pathologised in many contexts, including parts of Britain and the USA. Laws framed sexual difference as deviance. Psychiatry provided a medical narrative. Together, they created fertile ground for clinicians to offer “cures.”

In NHS psychiatric wards, gay men were exposed to films or photographs of same‑sex imagery paired with electric shocks to the wrist or leg. The moment of sexual arousal, as clinicians interpreted it, would be met with pain. The theory was straightforward. Condition the body so that desire becomes linked to discomfort, and desire itself may change.

For decades, this practice was defended as standard care. The ethical framework of the time seemed to allow it. But later research re‑examined the premise through the eyes of those who actually experienced it. People were asked what aversion therapy had done to their lives.

Outcomes were stark. Many reported no perceived benefit. Some described long‑term psychological damage, increased isolation, and fractured intimate lives. One man who underwent treatment in his early twenties reported living for years in an unfulfilling, secret‑ridden marriage before acknowledging his sexuality. Another described celibacy as the lesser evil compared with navigating intimacy after therapy. A third spoke of therapy being more distressing than the social stigma he had already endured.

Across these accounts, a pattern emerged. The treatment was often portrayed as “help,” but the experience felt like punishment. When people did not change sufficiently, the failure was framed as an individual deficit. “Your motivation is insufficient.” “You did not try hard enough.” This narrative placed all the responsibility on the person being changed and none on the model itself.

Evidence And Its Limits

Research eventually asked empirical questions. Did aversion therapy actually produce better outcomes than other interventions for alcohol dependence or other issues? The evidence was mixed. Some studies reported short‑term reductions in drinking or in certain behaviours. Others found no clear advantage over alternative approaches.

More importantly, the documented harms began to outweigh the modest benefits. People reported aversion not just to the targeted behaviour but to broader experiences. This included sexual functioning, self‑esteem, and emotional trust. Behaviour could be suppressed in one environment but resurface elsewhere. The conditioning was context‑bound, not transformative.

By the 1980 s, major professional bodies began distancing themselves from electric shock‑based aversion protocols. The American Psychological Association, the American Psychiatric Association, and the British Psychological Society moved away from endorsing techniques that deliberately inflicted pain, especially when non‑aversive alternatives showed similar or better outcomes. The shift was not just scientific. It was ethical. It acknowledged that even methods that “work” can violate core principles of respect, autonomy, and non‑maleficence.

Why These Memories Matter Today

Aversion therapy for sexual orientation evolved into what is often called “conversion therapy” or “sexual orientation change efforts.” The tools changed—less electric shock, more talk and prayer‑based strategies—but the aim remained the same. Change a person’s sexual identity or expression to align with dominant norms.

Global evidence now clearly shows that efforts to change sexual orientation or gender identity carry substantial risk. They correlate with higher levels of depression, anxiety, suicidal ideation, and self‑harm among affected individuals. Because of this, many regulatory bodies in psychology explicitly oppose such practices and classify them as unethical.

The history of aversion therapy is not simply a past error. It is an ongoing caution. Clinical tools grounded in sound behaviour‑analytic principles can still harm when used to erase difference rather than reduce suffering. The distinction between harm and social disapproval becomes the central ethical line.

In The Shadow Of Autonomy

Ethically, the issues in aversion therapy cluster around four principles. Autonomy concerns whether consent is genuinely free. If a person enters therapy because they have been framed as ill or sinful, and if the alternative is social rejection, can that consent be considered informed?

Non‑maleficence asks whether clinicians deliberately inflict pain or distress. In aversion therapy, that distress was the mechanism. Beneficence examines whether the intervention actually benefits the person. Evidence suggests that for many, the benefit was minimal and the costs were long‑term.

Justice highlights who ends up targeted. Historically, techniques were disproportionately applied to vulnerable groups. Gay people. People with intellectual disabilities. Others without political or social power. The pattern suggests that these interventions served the interests of normative societies more than the individuals undergoing them.

For students entering practice, this history offers a direct imperative. Behaviour‑change tools are powerful. Power demands humility and constant questioning. It demands asking whose goals are being served and what options exist beyond suppression or elimination.

Applied Behaviour Analysis Emerges

In parallel to these damaging histories, another branch of behaviourism developed. It focused not on erasure but on construction. Applied behaviour analysis, or ABA, grew out of Skinner’s operant conditioning but aimed at socially significant change rather than symptom suppression. The core idea was straightforward. Define behaviour that interferes with functioning or safety. Understand its function. Then reshape contingencies so that adaptive alternatives are rewarded.

This framework made sense for many applications. Early work focused on children and adults with developmental disabilities, intellectual disabilities, or autism spectrum disorder. These populations often struggled with communication and self‑regulation. Some engaged in self‑injurious behaviour or behaviour so intense that it restricted participation in school, work, or community life.

Practitioners did not simply label these behaviours as bad. They asked what they did. Was a child hitting their head because the behaviour produced attention? Because it allowed escape from demands? Because it provided some form of sensory feedback? Identifying the function shaped the intervention.

Measurement, Analysis, And Intent

The ABA process usually starts with measurement. Clinicians collect detailed data through observation, interviews, and direct tests. They map when the behaviour occurs, who is present, what happens immediately before and after. This assessment phase is extensive. The aim is not to guess but to track patterns statistically.

The next phase is functional analysis. Rather than assuming a cause, practitioners test hypotheses. They design experimental sessions where different conditions are systematically changed. In one session, demands might be increased. In another, attention is withheld. In another, play materials are unavailable. By watching how the behaviour changes across conditions, they infer its maintaining variables.

Only then does intervention design begin. The goal is not simply to reduce a behaviour but to build something else. If a behaviour produces escape from tasks, teaching an easier way to ask for a break may replace the need for problem behaviour. If attention strengthens it, arranging predictable, non‑contingent social interaction can change the reinforcement landscape. If sensory factors matter, alternative activities that provide similar feedback but in safer ways may be introduced.

Throughout, data collection continues. Practitioners track whether target behaviour decreases and whether skill acquisition increases. If outcomes do not match expectations, they modify procedures. The model is iterative, not dogmatic.

Where ABA Shows Potential

In some contexts, ABA‑informed interventions correlate with tangible improvements. For individuals who are nonverbal, structured programmes can support the development of functional communication through speech or augmentative and alternative systems. For others, the reduction of serious self‑harm while teaching safer coping strategies can improve safety. Skill‑building in daily living, social interaction, and school‑based tasks can open opportunities otherwise restricted.

These functions are important. They address harms rather than differences. They aim at safety, communication, and participation. Within these bounds, ABA has an evidence base that many clinicians find compelling.

The challenge appears when goals drift closer to social conformity than to individual wellbeing. If a behaviour is not harmful but merely different or stigmatised—repetitive movements, particular sensory preferences, distinctive ways of relating—targeting it raises different ethical questions. The question becomes less medical and more social. Should clinicians change what is judged unacceptable even when it does not impair functioning?

The Neurodiversity Critique

This is where contemporary critiques of ABA emerge, especially from neurodiversity‑oriented perspectives. The neurodiversity framework treats certain neurological variations not as deficits needing correction but as part of natural human diversity. Stimming, for instance, can be a self‑regulatory strategy rather than a “symptom.” Attempts to eliminate it without understanding its function may increase anxiety or dysregulation.

Autistic adults who received intensive early‑childhood ABA report mixed experiences. Some credit the intervention with teaching essential skills and reducing dangerous behaviour. Others speak of compliance at all costs, suppression of identity, and long‑term trauma. These accounts highlight a gap between practitioner intent and lived experience.

For many advocates, ABA programmes that prioritise neurotypical performance over self‑determination raise serious ethical concerns. They question whether reducing traits that do not actually harm the person aligns with respect for autonomy. They call for alternatives that build skills while respecting difference and enabling genuine choice.

Ethics And The Future Of ABA

This does not mean ABA must be abandoned. Many practitioners argue for a different path. They advocate for ABA that centres on consent, least restrictive methods, and clearly defined harmful targets. Interventions are reframed as tools to reduce risk, increase communication, and expand opportunities, not to homogenise behaviour.

New directions emphasise family‑centred planning, person‑directed goal setting, and integration with non‑behavioural frameworks. Data‑driven practice continues, but it is paired with reflective ethics. Clinicians ask which metrics truly capture quality of life, not just behavioural change. They consider cultural and historical context, including histories like aversion therapy, as warnings against repeating patterns of coercion.

For emerging therapists, this means holding two truths at once. Behavioural science provides powerful tools for understanding what people do and why. At the same time, using those tools requires constant attention to power, context, and voice. Consent must be explicit and revocable. Goals must be justified by genuine need rather than convenience. The person with the behaviour, not the system around them, should be the primary reference point.

From Damage To Reflection

The story of aversion therapy and ABA is ultimately a story about maturity. Behaviourism began with powerful, elegant principles. Early applications sometimes ignored their human cost. Later practice has had to grapple with that cost, refine its methods, and respond to critiques.

For students standing at the threshold of professional training, the lesson is clear. Using behavioural techniques demands more than technical competence. It demands humility, curiosity about one’s own assumptions, and willingness to listen to those whose lives are directly affected. It requires asking not only whether something can be changed but whether it should be changed, for whose benefit, and at what cost.

The field has moved from a model in which experts were almost exclusively confident to one in which humility and ethical reflection are built into practice. That is not the end of behavioural science. It is the beginning of a more responsible kind of science. In that space, clinicians may finally live up to the question with which this journey began. They may learn not only how to change behaviour but when to change it and when to change the world instead of the person.

Sources

1. American Psychological Association. (2021). Answers to your questions about transgender people, gender identity, and gender expression. https://www.apa.org/topics/lgbtq/transgender
2. Andrade, A. F., & Redondo, J. (2022). Is conversion therapy ethical? A renewed discussion in the Americas. International Journal of Transgender Health, 23(3), 362–372. https://doi.org/10.1080/26895269.2021.1954549
3. Drescher, J., Schwartz, A., Casoy, F., McIntosh, C. A., Peterson, G., & Sung, C. (2016). The growing regulation of conversion therapy. Journal of Medical Regulation, 102(2), 7–12. https://doi.org/10.30770/0149-7382.1247
4. Graber, A. (2023). Applied behavior analysis and the abolitionist neurodiversity perspective. Behavior Analysis in Practice, 16(3), 655–666. https://doi.org/10.1007/s40617-023-00769-y
5. Haldeman, D. C. (2002). Therapeutic antidotes: Helping gay and bisexual men recover from conversion therapies. Journal of Gay & Lesbian Psychotherapy, 5(3–4), 117–130. https://doi.org/10.1300/J236v05n03_09
6. National Council on Independent Living. (2021). NCIL resolution on ABA and conversion therapy. https://ncil.org/policy
7. Shidlo, A., & Schroeder, M. (2002). Transforming sexual identities: Transgender people and conversion therapy. Journal of Gay & Lesbian Psychotherapy, 5(3–4), 253–284. https://doi.org/10.1300/J236v05n03_13
8. Skinner, B. F. (1953). Science and human behavior. Free Press.
9. Smith, G., Bartlett, A., & King, M. (2004). Treatments of homosexuality in Britain since the 1950s—an oral history: The experience of patients. BMJ, 328(7437), 427–431. https://doi.org/10.1136/bmj.328.7437.427
10. United Kingdom Government. (2021). Conversion therapy: An evidence assessment and qualitative study. https://www.gov.uk/government/publications/conversion-therapy-an-evidence-assessment-and-qualitative-study
11. World Health Organization. (1990). Classification of mental and behavioural disorders: ICD‑10 diagnostic criteria for research. WHO Collaborating Centre for the Classification of Mental Disorders. https://www.who.int/publications/i/item/9241533500
12. World Health Organization. (2019). ICD‑11 for mortality and morbidity statistics. https://icd.who.int/