Lecture 21 Flashcards
Proximate
immediate sequence of physiological effects that lead to behaviour— how?
Ultimate
adaptive value or evolutionary origins of the adaptive behvaviour– why?
Evidence for genetic component to behaviour: deprivation experiments
- eliminating the learn component through isolation of the subject
ex. squirrels burying
Fixed Action Pattern
pattern that appears essentially complete and is played out to completion once activated by a simple sensory cue, predictable, first performed without training
Evidence for a genetic component to behaviour: selection experiments
- hold environment constant
- all participants learn the same thing
- measure phenotype
- breed individuals with extreme phenotypes
- measure phenotype in next generation
Evidence for a genetic component to behaviour: crossing of genetic strains
ex. crossing of non-hygienic bees and hygienic bees affects their role in the hive
Evidence for a genetic component to behaviour: Molecular Genetics
ex. mono amine oxidase mutation: neurotransmitter not broken down normally = hyper agressive disorder