Behaviourism · 1958
Systematic desensitisation
Gradually confronting fear while the body learns to relax weakens anxiety and restores the capacity to cope.
Systematic desensitisation reduces anxiety through a process of counterconditioning based on the principle of reciprocal inhibition, which Wolpe took from Sherrington's neurophysiology: if a response antagonistic to anxiety is evoked in the presence of the stimuli that provoke it, the bond between those stimuli and the anxiety response is weakened. Wolpe used three main inhibiting responses — assertive, sexual and relaxation responses; systematic desensitisation is the application of this principle by means of progressive muscle relaxation. The procedure combines a functional assessment of the anxiety, training in a reliable relaxation response, the construction of an individual hierarchy of feared stimuli and graded exposure — imaginal or in vivo — to each item while relaxation is maintained, repeating until anxiety is inhibited before moving on. Arising from Wolpe's studies of experimental neurosis in cats, it was a landmark of behaviour therapy and the conceptual and technical bridge to modern exposure treatments.
Theory of change
A person changes when conditioned fear is gradually paired with an incompatible response and they learn to cope without escaping.
Core ideas
-
Anxiety is a learned conditioned response
Systematic desensitisation starts from the premise that anxiety is neither an internal trait nor a symbolic conflict, but a conditioned response acquired through learning processes. As such, it can be modified by applying the experimental principles of classical conditioning without any need for psychological interpretation. (Wolpe, 1958, *Psychotherapy by Reciprocal Inhibition*).
-
Incompatible responses can inhibit anxiety
The model's central principle is reciprocal inhibition: two incompatible physiological responses cannot fully coexist. By training a response incompatible with anxiety, chiefly relaxation, and presenting it alongside the feared stimulus, the anxiety response is progressively weakened. (Wolpe, 1958).
-
Counterconditioning requires graded presentation of the stimulus
For counterconditioning to be effective, anxiety-provoking stimuli must be presented progressively and hierarchically. Gradation avoids sensitisation and allows the incompatible response to prevail stably over conditioned anxiety. (Wolpe, 1958).
-
Avoidance and escape maintain the anxiety response
The model assumes that avoidance and escape negatively reinforce anxiety by preventing the extinction or inhibition of the conditioned response. Remaining, under control, in the presence of the feared stimulus is therefore a necessary condition of therapeutic change. (Wolpe, 1958).
-
Repeated practice consolidates inhibitory learning
The reduction of anxiety does not occur through a single exposure but through systematic and controlled repetition. Continued practice allows the inhibition of the anxiety response to generalise and to be maintained over time. (Wolpe, 1958).
-
Therapeutic progress is assessed by observable change
Systematic desensitisation assesses its effectiveness through observable behavioural and physiological indicators, such as reduced anxious arousal and the capacity to face previously avoided stimuli, without recourse to non-operational subjective constructs. (Wolpe, 1958).
-
Generalisation requires contextual variability
In order to prevent improvement from being restricted to a single context, the model emphasises exposure to variations of the stimulus and to different situations. The generalisation of coping is an explicit aim of treatment. (Wolpe, 1958).
-
Systematic desensitisation is a technically structured model
Wolpe's model is not an isolated technique but a structured procedure with defined phases: assessment, training in an incompatible response, hierarchy construction and progressive exposure. This structure guarantees replicability and experimental control of the therapeutic process. (Wolpe, 1958).
-
Systematic desensitisation acts as a historical bridge to modern exposure
Although based on counterconditioning, systematic desensitisation laid the conceptual and technical foundations of contemporary exposure treatments, marking the transition between classical behaviourism and later behavioural approaches. (Wolpe, 1958).
Influences
- Classical conditioning (Pavlov)
- Hull's learning theory
- Reciprocal inhibition (Sherrington)
- Progressive muscle relaxation (Jacobson)
- Experimental behaviourism
- Objectivist empiricism / Logical positivism
Key references
- Wolpe, J. (1958). Psychotherapy by Reciprocal Inhibition. Stanford University Press.
- Wolpe, J. (1954). Reciprocal inhibition as the main basis of psychotherapeutic effects. AMA Archives of Neurology and Psychiatry, 72(2), 205–226.
- Wolpe, J. (1961). The systematic desensitization treatment of neuroses. Journal of Nervous and Mental Disease, 132(3), 189–203.
- Wolpe, J. (1969). The Practice of Behavior Therapy. Pergamon Press.
- Jacobson, E. (1938). Progressive Relaxation. University of Chicago Press.
- Sherrington, C. S. (1906). The Integrative Action of the Nervous System. Scribner.