Forensic Graphology finds Authentic Differences in Handwriting among Alternate Personalities in Multiple Personality, possibly correlating with Creativity.

Here are links to three articles (1, 2, 3). One comments on the possible relationship with creativity (1). Two include samples of handwriting (2, 3).

1. Jane Redfield Yank. “Handwriting Variations in Individuals with MPD.” Dissociation, Vol IV, No. 1, March 1991, pp. 2-12. https://scholarsbank.uoregon.edu/xmlui/bitstream/handle/1794/1730/Diss_4_1_2_OCR_rev.pdf?sequence=4

2. Eli Somer, Ron Yishai. "Handwriting Examination: Can it help in establishing authenticity in dissociative identity disorder?" Dissociation, Vol. X, No. 2, June 1997, pp. 114-119. http://www.somer.co.il/articles/1997Handwriting.DID.Disoc.pdf

3. Dorothy Otnow Lewis, et al. “Objective Documentation of Child Abuse and Dissociation in 12 Murderers With Dissociative Identity Disorder.” American Journal of Psychiatry 1997; 154:1703-1710. http://checkedinbatesmotel.com/wp-content/uploads/2015/05/Objective_Documentation_of_Child_Abuse_and_Dissociation_in_12_Murderers.pdf