9990 · 1.3.2
Explanations of impulse control disorders
9990 Clinical — biological, learning, and cognitive explanations of impulse control failure.
Need to know
What you need to know
- Focuses on neurochemical imbalances, particularly with the neurotransmitter dopamine.
- The mesolimbic reward pathway is believed to be overactive or hypersensitive.
- The impulsive behaviour provides a dopamine rush, leading to reinforcement and craving.
- Potential dysfunction in the prefrontal cortex impairs the ability to inhibit impulsive urges.
- Genetic predispositions may make some individuals more vulnerable to developing ICDs.
Explanation
Explanations of impulse control disorders
- Focuses on neurochemical imbalances, particularly with the neurotransmitter dopamine.
- The mesolimbic reward pathway is believed to be overactive or hypersensitive.
- The impulsive behaviour provides a dopamine rush, leading to reinforcement and craving.
- Potential dysfunction in the prefrontal cortex impairs the ability to inhibit impulsive urges.