22 - Psychopathology Flashcards
What is the clinical diagnostic approach? (Psychopathology Developmental)
Psychopathologies are discrete categories defined by basic criteria proposed by experts e.g. DSM
What is the empirical quantitative approach? (Psychopathology Developmental)
Psychopathological symptoms are assessed on a continuous scale, with disorders being at the extreme ends of the distribution
What are examples of internalised disorders? (Psychopathology Developmental)
Depression
Anxiety
What are examples of externalised disorders? (Psychopathology Developmental)
Conduct problems
ADHD
What is cu⁺ and cu⁻? (Psychopathology Developmental)
- cu⁺ = presence of callous-unemotional traits
- cu⁻ = absence of callous-unemotional traits
What are callous-unemotional trait? (Psychopathology Developmental)
- Lack of emotions
- Strong genetic influence (cu⁺)
- Combination of nature and nurture (cu⁻)
What is comorbidity? (Psychopathology Developmental)
- The interaction between two disorders
- This can occur at the same time or one can precede the other
- E.g. depression is often comorbid to anxiety
What does A, C and E stand for in twins studies? (Psychopathology Developmental)
- A = genetics
- C = shared environment
- E = non-shared environment
What is genetic variation? (Psychopathology Developmental)
- Contributes to individual differences in behavioural traits
- 1% of human DNA is variable
What is genetic pleiotropy? (Psychopathology Developmental)
The genetic affect of a single gene on multiple phenotype traits
What are psychopathologies seen as? (Psychopathology Developmental)
Polygenetic traits (influenced by more than one genetic variant)