Animal Thinking and Language Chapter 9, Lecture 4.
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Transcript of Animal Thinking and Language Chapter 9, Lecture 4.
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Animal Animal Thinking and Thinking and
LanguageLanguageChapter 9, Lecture 4Chapter 9, Lecture 4
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Do animals have a language?
Animal Thinking & Language
Honey bees communicate by dancing. The dancemoves clearly indicate the direction of the nectar.
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Do Animals Think?
Common cognitive skills in humans and apes
include the following:
1. Concept Formation
2. Insight3. Problem Solving4. Culture
African grey parrot assorts redblocks from green balls.
William
Munoz
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Insight
Chimpanzees show insightful behavior when solving problems.
Sultan uses sticks to get food.
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Problem Solving
Apes are, much like us, shaped by reinforcement when solving
problems.
Chimpanzee fishing for ants.
Courtesy of Jennifer B
yrne, c/o Richard B
yrne, D
epartment of P
sychology, University of S
t. Andrew
s, Scotland
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Animal Culture
Animals display customs and culture that are learned and transmitted over generations.
Dolphins using sponges as forging
tools.
Chimpanzee mother using andteaching a young how to use
a stone hammer.
Copyright A
manda
K C
oakes
Michael N
ichols/ National
Geographic S
ociety
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Do Animals Exhibit Language?
There is no doubt that animals communicate.
Vervet monkeys, whales and even honey
bees communicate with members of their
species and other species.
Rico (collie) has a200-word vocabulary
Copyright B
aus/ Kreslow
ski
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The Case of Apes
Gardner and Gardner (1969) used American Sign Language (ASL) to
train Washoe, a chimp, who learned 181 signs by the age of 32.
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Gestured Communication
Animals, like humans, exhibit communication through gestures. It is possible that vocal
speech developed from gestures during the course of evolution.
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But Can Apes Really Talk?1. Apes acquire their limited vocabularies
with a great deal of difficulty, unlike children who develop vocabularies at amazing rates.
2. Chimpanzees can make signs to receive a reward, just as a pigeon who pecks at the key receives a reward. However, pigeons have not learned a language.
3. Chimpanzees use signs meaningfully but lack human syntax.
4. Presented with ambiguous information, people tend to see what they want to see (perceptual set).
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Sign Language
American Sign Language (ASL) is instrumental in teaching chimpanzees
a form of communication.
When asked, this chimpanzee usesa sign to say it is a baby.
Paul Fusco/ M
agnum Photos
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Syntax ComprehensionOthers have shown that pygmy chimpanzees can develop even greater vocabularies and perhaps
semantic nuances in learning a language (Savage-Rumbaugh, 1993). Kanzi (shown below) developed
vocabulary for hundreds of words and phrases.
Copyright of G
reatA
pe Trust of Iow
a
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Conclusions
If we say that animals can use meaningful sequences of signs to communicate a
capability for language, our understanding would be naive… Steven Pinker (1995)
concludes, “chimps do not develop language.”
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HomeworkAY Questions – p.382, 391 (10 pts)
“Animal researchers have shown us that primatesexhibit insight, show family loyalty, communicatewith one another, display altruism, transmit culturalpatterns across generations, and comprehend thesyntax of human speech. Accepting and working outthe moral implications of all this is an unfinished taskfor our own thinking species.”
- David Myers