a dead end Jennifer Mather Professor of Psychology University of Lethbridge In Support of their Intelligence Excellent Manipulative Capacity But much local control in arms Large centralized brain ID: 680751
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Slide1
Evolution of Cephalopod Intelligence:
a dead end?
Jennifer MatherProfessor of PsychologyUniversity of LethbridgeSlide2
In Support of their Intelligence:
Excellent Manipulative Capacity
But much local control in arms
Large centralized brain
But 3/5 of neurons in armsSlide3
Skin Display System:
LANGUAGE?Slide4
But Used Mainly For CamouflageSlide5
And Sexual signals
Limited
repertoire
Distinct
d
isplaysSlide6
Squid agonistic zebra display
Quantitative by skin area
DirectionalFormal contestSlide7
balancing the Value of Intelligence:
Demanding complex environment
Short Lifespan
(6 months – 2 years)Slide8
Premium on short retention
timeExploration
Win-switch foragingIndividual variationSlide9
Simple social grouping
Octopus- solitary, hierarchy if crowded
Cuttlefish- gather for matingSquid- permanent large groupsSlide10
No guidance by parents or conspecifics
No overlap of generations
Wide juvenile dispersalSlide11
No Species or Cohort Recognition
No cooperation
Cannibalism in Cephalopods
Christian M. Ibanez •
Friedemann
KeylSlide12
What Would Have to Change?
Limited dispersal - see big-egged octopuses
Having something more important to say – see squidSlide13
Give them a few
millennia