103_21_full

Capuchinmonkeys

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Unformatted text preview: 
foods
(cocoa,
 cinnamon,
anise,
thyme)
for
six
days,
 2)
demonstrators
that
had
eaten
 unfamiliar
food,
or
3)
both
eaTng
 unfamiliar
foods
and
interacTng
with
 demonstrators
that
had
eaten
 unfamiliar
foods
 Result:
Those
foods
had
no
 measurable
effect
on
rats’
socially
 learned
food
preferences,
 demonstraTng
stability
of
socially
 enhanced
food
preferences
over
Tme
 Diet
selecTon
and
foraging:
ExcepTons
 No
evidence
that
observer
animals
can
learn
to
avoid
poisonous
food
as
a
 result
of
interacTng
with
a
sick
demonstrator
that
had
eaten
the
poisonous
 food
(Galef,
McQuoid,
&
Whiskin,
1990).
 Training:
e.g.
Demonstrators
eat
 cinnamon‐flavored
food,
then
injected
 with
LiCl
and
become
sick.

Observers
 then
interact
with
poisoned
 demonstrators.

 Test:
Observers
presented
with
cocoa‐
 and
cinnamon‐flavored
food.



 Result:
Observers
that
ate
both
foods,
 then...
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