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Sensitization has also been suggested in relation to psychological disorders such as post-traumatic stress disorder , panic anxiety and mood disorder s. History Eric Kandel was one of the first to study the neural basis of sensitization based on his experiments observing gill withdrawal of the seaslug Aplysia in the 1960s and 1970s .
 Eric Kandel
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Eric Kandel