multiple personality disorder

But, deputies wrote in her file, she said she had “multiple personality disorder” and “stated that she ‘always kinda wanted to die.’”

Multiple personality disorder — now called dissociative identity disorder — affects about one percent of the population and usually emerges after severe trauma early in life, said Dr. David Spiegel, a professor of psychiatry at the Stanford University School of Medicine.

An earlier version of this obituary referred incorrectly to the book in which the term multiple personality disorder was changed to dissociative identity disorder.

Dr. Braun gained renown in the early 1980s as an expert in two of the most popular and controversial areas of psychiatric treatment: repressed memories and multiple personality disorder, now known as dissociative identity disorder.

For several days, doctors evaluated her for evidence of mood disorders, schizophrenia, multiple personality disorder and bipolar disorder while Brenda kept insisting on her own diagnosis: She’d left for school as a healthy and happy person one morning believing she was safe, and then she’d experienced a mass shooting — a horrific but common American trauma that had exacerbated her anxiety and also altered her brain.