324 06 stimulus control

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Human LearningTopic 6: Stimulus Control

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Stimulus Discrimination

Training Stimulus

Test 1 Test 2

Some subjects respond to different properties – different stimulus control

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Stimulus Generalization

Responding to different stimuli in the same way

Lack of stimulus control

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Generalization Gradient

Training stimulus

Normal Curve

Training Stimulus

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An Application

Semantic Generalization

CS = Words paired with sweet snacks

CR = Salivation

Synonyms test

Homophones test

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An Example

Where is Afghanistan? What ethnic category are Afghans?

The Middle East / Arabia Southwest Asia / Asian

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Credits

World map – maps.google.com

Middle east / asia

Derived from wikipedia – middle east

Words – www.sxc.hu - eastop