1054
Focal glutamate photostimulation of the granule cell layer at sites distant from the recording pipette resulted in population responses of 1 - 30 s duration in slices from SE survivors but not other groups .
 glutamate, SE
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 glutamate, SE