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Our data point out to a unique role of 5 - HT1A postsynaptic receptors in PFC to adapt the functional plasticity of L5PyNs towards LTP , LTD or no plasticity .
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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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