2046
Yet , investigation of chemical - induced effects on the development of functional neuronal networks , including network formation , inter - and intracellular signaling and neuronal network function , is underrepresented in DNT testing .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None