18 - Psychophys Measures and RDoc

Question 1

P-Factor

Answer 1

Hierarchical view of psychopathology with 3 sub-factors:

1. Internalizing problems
2. Externalizing problems
3. Thought-disordered problems

Question 2

RDoC

Answer 2

• Goal is to understand mechanisms that link different units of analysis for the same construct
• Dimensional, works with brain-behavior relations, linking them to symptoms
• Focuses on narrow dimensions (cognition, emotion, etc.) rather than large disorders
• Understands EQUIFINALITY: that same behavior can occur for different underlying reasons
• 6 domains: Negative Valence systems, Positive Valence systems, Cognitive systems, Social processes, Arousal and regulatory systems, Sensorimotor systems
• 8 units of analysis: incorporate psych, bio, and physiology