Chapter 3 Flashcards
The study of risk factors for abnormal behavior includes what three causes?
Necessary Cause
Sufficient Cause
Contributory Cause
Necessary Cause
If Y occurs, X must have preceded
Sufficient Cause
If X occurs, then Y will also occur
Contributory Cause
If X occurs, then the probability of Y increases
Bidirectionality refers to what concept?
Did X cause Y, or Y cause X?
Diathesis
Relatively distal necessary or contributory cause that ISN’T sufficient to cause the disorder
Stress
Response of an organism to environmental stimulus
Distal causal factors occur…
Far in the past
Proximal causal factors occur…
Recently
What causes the many competing explanations for how abnormal behavior is created?
Complexity of the brain (100B neurons with 15k dendrites/neuron)
Biological Viewpoint
- Neurotransmitter and Hormonal Abnormalities
- Genetics
- Temperament
- Brain Dysfunction and Neural Plasticity
What does the Biological Viewpoint say about Neurotransmitter and Hormonal Abnormalities?
Has been proven to cause abnormal behavior (Ex. Craddock’s PMS)
What are the two main contributing factors to schizophrenia?
Too much dopamine/not enough glutamate
What does the Biological Viewpoint say about genetics?
Genetic influences are rooted in hundreds of genes, but can make significant difference
What causes Down Syndrome?
Chromosome 21 translocation, or having three copies of chromosome 21