5442
We discuss alterations in functional indices , neuron and synapse morphology and changes in specific neurotransmitter systems that have been described in animal models of TD , and outline how these findings have contributed to our understanding of antipsychotic - induced dyskinesias .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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