Human Learning          Topic 12 - 1: Special Issues: Food CachingCEDP324    Ryan Sain, Ph.D.   1                        3...
Comparative Cognition Very complex behavior Complex cognitive interpretations exist Must consider basic processes first...
Food caching Storage of food Later recovery How do they remember? Clark’s nutcracker    Stores 33,000 seeds, in thous...
Food caching Only useful if you remember Only useful if you get the food    Decrease caching in presence of observer
How does it work? Are they searching randomly? Are they storing food in ‘typical’ locations? No and No    180 cups   ...
Episodic Memory?   Remembering episodes       Detailed recollection of an event       What, when and where   Possible ...
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324 12 part 1 special topics food caching

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324 12 part 1 special topics food caching

  1. 1. Human Learning Topic 12 - 1: Special Issues: Food CachingCEDP324 Ryan Sain, Ph.D. 1 3/30/2012
  2. 2. Comparative Cognition Very complex behavior Complex cognitive interpretations exist Must consider basic processes first Think parsimony
  3. 3. Food caching Storage of food Later recovery How do they remember? Clark’s nutcracker  Stores 33,000 seeds, in thousands of caches  Recovers them in the dead of winter
  4. 4. Food caching Only useful if you remember Only useful if you get the food  Decrease caching in presence of observer
  5. 5. How does it work? Are they searching randomly? Are they storing food in ‘typical’ locations? No and No  180 cups  Some cups open  Sand covered  Rocks and things  No smelling  Raked sand
  6. 6. Episodic Memory? Remembering episodes  Detailed recollection of an event  What, when and where Possible explanation for caching/recovery Birds learned to cache different items Remembered where those items were Remembered what those items were  Worms vs peanuts Remembered when those items were stored  Ate the worms first

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