9. Typical and atypical development Flashcards
1
Q
What are the characteristics for medical retardation? (Development PCA)
A
- Low IQ
- Delay in language development
- Difficulty with memory
- Lack of self care skills
2
Q
What has shown that offspring ability/disability is highly genetic? (Development PCA)`
A
Trait variation in adoption studies
3
Q
No psychological traits are ….? (Development PCA)
A
100% heritable
4
Q
What are the two hypotheses for intellectual disability? (Development PCA)
A
- One gene, one disorder hypothesis
- Quantitative loci hypothesis
5
Q
What does a mutation on the phenylalanine gene lead to? (Development PCA)
A
Phenylketonuria
6
Q
What is phenylketonuria characterised by? (Development PCA)
A
- medical retardation
- hair loss
- hypo-pigmentation (loss of skin colour)
7
Q
What does the FoxP2 gene affect? (Development PCA)
A
Language and reading ability/disability
8
Q
What are the 4 types of language problems? (Development PCA)
A
- Expressive
- Mixed
- Phonological
- Stuttering
