Revise Treatment and management of impulse control disorders for Cambridge 9990 (1.3.3)

Biochemical treatments for impulse control disorders (ICDs) target the neurochemical imbalances thought to underlie them. Selective Serotonin Reuptake Inhibitors (SSRIs), such as fluoxetine, are commonly prescribed. These drugs increase the availability of serotonin in the brain, a neurotransmitter linked to mood regulation and impulse control. Low serotonin levels have been associated with the impulsivity seen in disorders like kleptomania and pyromania. Another class of medication is opioid antagonists, like naltrexone. These are particularly used for pathological gambling. They work by blocking the brain's opioid receptors, which dampens the rewarding 'high' or euphoric feeling associated with the impulsive behaviour. By reducing the reinforcement, the motivation to engage in the act diminishes. Grant et al. (2008) found naltrexone was effective in reducing gambling urges and behaviour.

Cognitive Behavioural Therapy (CBT) is a structured psychotherapeutic approach that addresses the interplay between thoughts, feelings, and behaviours. For ICDs, it begins with a functional analysis to identify the specific triggers, thoughts, and consequences of the impulsive act. The cognitive component focuses on identifying and challenging maladaptive cognitions, such as a gambler's belief in 'hot streaks' or a kleptomaniac's justification that 'the store can afford it'. Clients learn to reframe these thoughts into more realistic and helpful ones. The behavioural component involves skills training, such as problem-solving, social skills, and relaxation techniques. It also uses strategies like stimulus control (e.g., avoiding places that trigger urges) to help clients manage their environment and gain control over their actions.

Covert sensitisation is a behavioural therapy based on classical conditioning, specifically aversion therapy. The goal is to create a negative association with the undesirable impulsive behaviour. The therapist guides the client to vividly imagine themselves about to perform the impulsive act (e.g., stealing an item, placing a bet). At the point of highest excitement or urge, the client is then instructed to imagine a highly unpleasant, anxiety-provoking consequence. For example, a kleptomaniac might imagine feeling sick and vomiting all over the stolen item and the shop counter. This pairing of the impulse with a noxious imagined stimulus, repeated over several sessions, aims to make the impulse itself become a trigger for unpleasant feelings, thereby reducing its appeal. Glover (2011) reported a successful case study using this technique for kleptomania.

Imaginal desensitisation is a behavioural technique that uses principles of counter-conditioning. Unlike covert sensitisation, which builds aversion, this therapy aims to reduce excitement and anxiety. The client is first taught relaxation techniques, such as progressive muscle relaxation. Once in a deeply relaxed state, they are guided by the therapist to visualise a scene that would typically trigger their impulsive urge. They work through a hierarchy of scenarios, starting with the least provoking and gradually moving to the most intense. The key is for the client to confront the imagined trigger while maintaining a state of calm relaxation. This process systematically weakens the link between the trigger and the state of high arousal, giving the client a greater sense of control when faced with the urge in real life.