3054
Davis ' laboratory has developed innovative brain-imaging approaches , culminating in the first functional MRI images of brain networks underlying the human pain experience and the first images of the impact of deep brain stimulation for Parkinsonian tremor .
 Davis
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Davis