Insel & Cuthbert (2015) Brain disorders

7 important questions on Insel & Cuthbert (2015) Brain disorders

What does de Research domain criteria entail (RDoc)?

Was created to rethink research on psychopathology by building a framework beyond symptoms.
the framework would focus on systems or dimensions with both cognitive and biological validity.

Efficacy of psychological and pharmacological treatment for mental disorder is +/- 50%.
Likely reasons for the lack of higher efficacy despite all the research:

1. Clinical heterogeneity
Psychiatric syndromes are hugely diverse: for depression, two patients could share only one symptom. 636120 unique symptom profiles to match a diagnosis of PTSD
2. Lack of mechanistic understanding
Lack of mechanistic specificity understanding precludes tailored treatment.
Voorbeeld van bill > social anxiety disorder, schizophrenia, PTSD (trauma, maybe something in past happens?), paranoid, generalized anxiety

Comorbidity and the need for a transdiagnostic perspective
Possible explanations


1. Poor discriminant validity
2. One disorder may act as a risk factor for another
3. Common risk (predisposing, precipitating or perpetuating)
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What does an transdialogisctic approach entail

- Focusing on processes that contribute to the aetiology and maintenance of symptoms across diagnostic borders/disorders
- Functional approach;
Dissect the syndrome in component parts
Focus on individual patient and central problematic behavior
Focus on common processes of etiology or maintenance

What is a widely adopted transdiagnostic approach

RDOC

What is the idea with precision medicine (more target approach to disease)

To intergrate clinical data with other patient information to uncover disease subtypes and enhance the accuracy with which patients are categorized and treated

What is important while measuring to understand the various aspects of dysfunction associated with disorders

To include brain and behavior

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