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principles that define the BLA (8) (principle 2 (animal research may…
principles that define the BLA (8)
INTRODUCTION
BLA states that all cognitions, emotions + behaviours have a physiological basis
3 underlying principles that define BLA
1.
emotions + behaviours are products of the anatomy + physiology of the nervous + endocrine systems
3.
patterns of behaviour can be inherited; behaviour is innate because it is genetically inherited
2.
animal research may inform our understanding of human behaviour
principle 2
animal research may inform our understanding of human behaviour
based on Charles Darwin's theory of evolution
inferences can be made about humans from animal research
does raise ethical issues in the treatment of animals
Berthold (1849) conducted study that used roosters due to ethical concerns
demonstrated the principle of BLA - inferences were made to humans from roosters to inform our understanding of aggression
observed roosters with testes removed were less aggressive
highlights importance of using animal research to determine human behaviour
shows the link between testosterone + dominant male behaviour
principle 3
patterns of behaviour can be inherited; behaviour is innate because it is genetically inherited
Belyaev (1959) conducted a study to investigate the genetics of domestication
similarly, based on Darwin's theory of evolution
selectively bred silver foxes that displayed tameness
yet produced over 35 generations of tame foxes in 40 years
demonstrated patterns of behaviour can be inherited due to genetics
foxes kept in cages to ensure the only influence for tameness would be genetics rather than human contact
conclusion
2 were outlined in this essay
animal research may inform our understanding of human behaviour
3 main principles that define BLA
patterns of behaviour can be inherited; behaviour is innate because it is genetically inherited
demonstrated by Berthold (1849)
demonstrated by Belyayev (1959)
however, views from all levels of analysis need to be taken into account before reaching a determined decision on what influence human behaviour