‘I’ve learned I need to treat my characters like people’: Varieties of agency and interaction in Writers’ experiences of their Characters’ Voices, John Foxwell, Ben Alderson-Day, Charles Fernyhough, Angela Woods, 2020 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7068700/
Comparision of brazilian spiritist mediumship and dissociative identity disorder, Alexander Moreira-Almeida, Francisco Lotufo Neto, Etzel Cardeńa, 2008 https://pubmed.ncbi.nlm.nih.gov/18477886/
It's just a body: A community-based participatory exploration of the experiences and health care needs for transgender plural people, Susan C. Turell, Christopher Wolf-Gould, Sana Flynn, Silver Mckie, Matthew A. Adan, The Redwoods, 2023 https://www.sciencedirect.com/science/article/abs/pii/S246874992300042X
Also to add on well known endogenic systems: there's Leonard Nimoy with Spock. He describes their relationship in his books „I am not Spock” and „I am Spock” and it's quite obvious, he writes down some of their conversations where he's like „you're just a fictional character” and Spock responds with „are you sure?”.
We really got into plural research in the last year and we can share a list of what we've gathered on endogenic & overall plurality:
Introducing Plurals, Elizabeth Schechter, 2024 http://jcn.cognethic.org/jcnv9i2_Schechter.pdf
Exploring the Utility and Personal Relevance of Co-Produced Multiplicity Resources with Young People, Sarah Parry, Zarah Eve, Gemma Myers, 2021 https://link.springer.com/article/10.1007/s40653-021-00377-7
Imaginary Friends: Helpful or Harmful?, Laura D Klivans, 2016 https://escholarship.org/uc/item/9qh54616
‘I’ve learned I need to treat my characters like people’: Varieties of agency and interaction in Writers’ experiences of their Characters’ Voices, John Foxwell, Ben Alderson-Day, Charles Fernyhough, Angela Woods, 2020 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7068700/
Multiple Personality and Channeling, Rayna L. Rogers, D.O., 1991 https://jdc.jefferson.edu/jeffjpsychiatry/vol9/iss1/3/
Multiplying models: Personal identity, dissociation and the possibility of healthy multiplicity, Rhett Lindsey Gayle, Ph.D., 2003 https://www.proquest.com/openview/c0ccfd0d2e5080821ce67311b4f90198/1
Comparision of brazilian spiritist mediumship and dissociative identity disorder, Alexander Moreira-Almeida, Francisco Lotufo Neto, Etzel Cardeńa, 2008 https://pubmed.ncbi.nlm.nih.gov/18477886/
The Illusion of Independent Agency: Do Adult Fiction Writers Experience Their Characters as Having Minds of Their Own?, Marjorie Taylor, Sara D. Hodges, Adčle Kohányi, 2003 https://journals.sagepub.com/doi/abs/10.2190/FTG3-Q9T0-7U26-5Q5X
Explaining the illusion of independent agency in imagined persons with a theory of practice, Jim Davies, 2021 https://www.tandfonline.com/doi/abs/10.1080/09515089.2022.2043265
It's just a body: A community-based participatory exploration of the experiences and health care needs for transgender plural people, Susan C. Turell, Christopher Wolf-Gould, Sana Flynn, Silver Mckie, Matthew A. Adan, The Redwoods, 2023 https://www.sciencedirect.com/science/article/abs/pii/S246874992300042X
Also to add on well known endogenic systems: there's Leonard Nimoy with Spock. He describes their relationship in his books „I am not Spock” and „I am Spock” and it's quite obvious, he writes down some of their conversations where he's like „you're just a fictional character” and Spock responds with „are you sure?”.