259280
Relevant findings include the pioneering study by Benjamin Libet and its subsequent redesigns ; these studies were able to detect activity related to a decision to move , and the activity appears to be occurring briefly before people become conscious of it .
 Benjamin Libet
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Benjamin Libet