4411
DA efflux curves corresponded time dependently with the cocaine injection and locomotor curves and varied significantly by striatal region : Baseline DA levels increased 5 - fold while cocaine - stimulated DA efflux decreased by half across a ventral to dorsal striatal gradient .
 striatal region, ventral, dorsal striatal
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 striatal region, ventral, dorsal striatal