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Unraveling Executive Functioning in Dual Diagnosis
Judith C L M Duijkers1, Constance Th W M Vissers2, Jos I M Egger3
1Centre of Excellence for Korsakoff and Alcohol Related Cognitive Dysfunctions/Addiction Care, Vincent van Gogh Institute for PsychiatryVenray, Netherlands; Behavioural Science Institute, Radboud University NijmegenNijmegen, Netherlands.
Frontiers in Psychology
|July 23, 2016
Summary
Dual-diagnosis, the co-occurrence of Substance Use Disorder (SUD) and mental disorders, often involves impaired executive functions like inhibition and shifting. Further research is needed to understand these executive function deficits for better treatment.
Area of Science:
- Neuroscience
- Psychiatry
- Psychology
Background:
- Dual-diagnosis involves co-occurring Substance Use Disorder (SUD) and mental health disorders.
- These conditions share common causes, exacerbate each other, and pose significant health risks.
- Executive dysfunction is increasingly recognized as a core feature across various mental disorders.
Purpose of the Study:
- To systematically review executive functioning in dual-diagnosis.
- To identify a prototypical executive function profile for dual-diagnosis patients.
- To highlight areas for future research and clinical intervention.
Main Methods:
- Systematic review of empirical studies on executive functioning in dual-diagnosis.
- Analysis of findings related to inhibitory, shifting, and updating processes.
- Synthesis of results across different co-occurring mental disorders (schizophrenia, bipolar, personality disorders).
Main Results:
- Impairments in inhibitory and shifting processes are evident in SUD combined with schizophrenia, bipolar disorder, or cluster B personality disorders.
- Limited research exists on updating processes in dual-diagnosis populations.
- Executive dysfunction appears to be a significant factor in dual-diagnosis.
Conclusions:
- Dual-diagnosis is characterized by specific executive function deficits, particularly in inhibition and shifting.
- More research is required to fully elucidate the spectrum of executive functioning in dual-diagnosis.
- Understanding these deficits can inform tailored assessments and treatments for improved self-regulation.
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