26082
CONCLUSIONS : The present study demonstrates region - specific compensatory elevations in GABA levels in the dentate gyrus and nucleus accumbens of non - LH animals , supporting the implication of the GABAergic system in the recovery of depression .
 GABA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 GABA