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Risk-taking and pathological gambling behavior in Huntington's disease
Carla Kalkhoven1, Cor Sennef1, Ard Peeters1
1Chardon Pharma, Herpen Netherlands.
Frontiers in Behavioral Neuroscience
|April 26, 2014
Summary
Huntington's disease (HD) patients may not initiate gambling but are at higher risk for addiction due to affected brain circuits. This highlights the need for caution with online gambling for this vulnerable group.
Area of Science:
- Neuroscience
- Genetics
- Psychiatry
Background:
- Huntington's disease (HD) is a genetic neurodegenerative disorder affecting striatal neurons.
- HD shares neurobiological underpinnings with addiction, particularly involving cortico-striatal circuits.
- Similarities exist in disinhibition, reward/punishment sensitivity, and decision-making deficits between HD patients and pathological gamblers.
Purpose of the Study:
- To characterize the risk of pathological gambling in Huntington's disease patients.
- To explore the underlying neurobiological mechanisms linking HD and gambling addiction.
- To address the implications of increasing internet gambling accessibility for HD patients.
Main Methods:
- Review of neuropathological findings in HD.
- Analysis of behavioral studies on decision-making in HD patients and gamblers.
- Synthesis of existing literature on HD, addiction, and gambling behavior.
Main Results:
- HD patients exhibit similar decision-making deficits to pathological gamblers on tasks like the Iowa Gambling Task (IGT).
- HD patients may not be prone to initiating gambling but have a higher likelihood of developing addiction if they do.
- Similarities in affected brain circuits suggest a predisposition to addiction-related behaviors.
Conclusions:
- Huntington's disease patients represent a vulnerable group for developing gambling addiction.
- Understanding the neurobiological links is crucial for patient support and risk management.
- Increased vigilance is necessary regarding internet gambling and its potential impact on HD patients.
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