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Animals as Individuals. Animals as Individuals. Animals in Science. Animals in Science. Individual Differences: personality behavioral syndromes temperment individual differences method to study other phenomena Implications: service animals pet adoption conservation welfare

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Presentation Transcript
slide4

Animals in Science

  • Individual Differences:
    • personality
    • behavioral syndromes
    • temperment
    • individual differences
    • method to study other phenomena
  • Implications:
    • service animals
    • pet adoption
    • conservation
    • welfare
    • evolution
    • development

What are the important dimensions and why?

slide5

Bold/Shy ~ Riskiness

Regulatory Focus

slide6

Overview

  • Zoo Monkey Studies
    • Observational
    • Experimental
  • Lab Rat Studies
    • Individual characterization
    • Social Homecage
  • Future Lab Rat Studies
    • Development
    • Welfare
    • Evolution
slide7

Regulatory Focus in Animals

  • Promotion (PM) = Focus on Gains
    • concerned with gains (food treats)
    • eat in the open
    • present in gain-related locations
    • *approach only to exploit gains
  • Prevention (PV) = Focus on Non-losses
    • concerned with security
    • hide
    • absent from unavoidable loss-related locations
    • *approach to establish safety/status quo
slide8

Zoo Monkey Studies

Timeline

observational 6 months

experimental 1 month

slide9

Zoo Observational

  • eating in open
  • hiding
  • front of exhibit
slide12

Zoo Observational

  • Summary:
  • Minnie = promotion or bold
  • Munchkin = prevention or shy
  • *Test Bold/Shy vs. Regulatory Focus experimentally
slide13

Zoo Experimental

  • unfamiliar object pm fast
  • familiar object:
    • food  pm fast
    • * non-food  pv faster
slide15

Zoo Monkey Studies

  • Summary:
  • Preliminary evidence of Regulatory Focus in nonhuman animals
  • Regulatory Focus makes distinct predictions compared to a bold/shy model
  • May have implications for animal welfare science and enrichment programs
slide16

Lab Rat Studies

Timeline: 1 year 3 months

solitary tests

1 month

homecage

1 month

slide20

Solitary Tests

P < 0.0005

slide22

Solitary Tests

  • Summary:
  • Pm and Pv behavior is stable
  • Pm focus on gains (treats) over possible losses
  • Pv focus on establishing safety over gains
  • * Bold/shy unsatisfactory explanation
slide23

Homecage Tests

* preliminary!

* data analysis is ongoing

pm

pv

x

x

  • Measure:
  • latency to pm/pv test
  • time spent in pm/pv cages
  • dominance
slide25

Homecage Tests

without “f”: P = 0.15

slide26

Homecage Tests

dichotomize: P < 0.03

without “q”: P < 0.03

slide28

Lab Rat Studies

  • Summary:
  • From Solitary Tests:
    • stable pm/pv dimensions (over short term)
    • pv is more exploratory (i.e. pv ≠ shy)
  • From Homecage Tests (in females):
    • pv is stable over long term (pm too?)
    • pv is concerned with safety and security
slide29

Future Rat Studies

  • Development of pm/pv
  • Welfare differences with pm/pv
  • Evolution????????
slide30

pv

pv

pm

pm

Development

slide31

enriched

pm/pv

tested

born

Welfare

solitary

(bad)

pv rat

& pv

enrich

pv rat

& pm

enrich

pm rat

& pv

enrich

pm rat

& pm

enrich

slide32

Evolution

  • Why are there individual differences in behavior across species?
  • Is this a unique phenomenon?
  • What is the disadvantage of being instable?
  • What is the right question/comparison?
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