week 2 Flashcards

1
Q

what is instinctive behaviour

A
  • behaviour produced without learning - innate
  • genetically predetermined
  • neurologically casual
  • stereotyped

It is an innate fixed response to an environmental stimulus

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2
Q

deprivation experiment

A

compare behaviour of individuals with and without a given experience
Grohmann prevented young pigeons from moving wings
- flew as proficiently as normal birds when constraint removed
Conclusion: practice not necessary for normal development of flight

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3
Q

example of unexpected necessary experience

A

some non-specific experiences are necessary for development of what might otherwise be thought to be ‘instincts’

examples: kittens deprived of light have abnormal depth perception and do not avoid a drop

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4
Q

appetitive behaviours

A

seek, find approach

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5
Q

Consummatory response

A

eating, drinking etc

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6
Q

‘westermarck effect’

A

inbreeding depression
- inbred individuals have poor health and fertility
due to higher frequency of recessive, deleterious traits in homozygous form when close relatives breed.

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