A note for myself.
An article about how wheelchair is considered as an extension of ones body:
@article{pazzaglia2013functionally, title={A Functionally Relevant Tool for the Body following Spinal Cord Injury}, author={Pazzaglia, Mariella and Galli, Giulia and Scivoletto, Giorgio and Molinari, Marco}, journal={PloS one}, volume={8}, number={3}, pages={e58312}, year={2013}, publisher={Public Library of Science}, url={http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0058312} } An article about measuring character identification: @article{igartua2010identification, title={Identification with characters and narrative persuasion through fictional feature films}, author={Igartua, Juan-Jos{\'e}}, journal={Communications}, volume={35}, number={4}, pages={347--373}, year={2010}, url={http://www.researchgate.net/publication/228109104_Identification_with_characters_and_narrative_persuasion_through_fictional_feature_films/file/79e414ff448b9485e2.pdf} }