Unformatted text preview: onnon-traumatic memory was known to both personality states, whereas the
nontraumatic memory was known only to the TPS.
Compared to the TPS, the NPS showed broad deactivation of visual and
somatosensory association areas and medial prefrontal cortex in response to
the traumatic memory script. 10 DID Neurobiology
Little research; mostly
uncontrolled case reports
Vermetten et al. (2006): MRI
scans of 15 DID patients vs. 23
“normals” (all female)
19% reduction in hippocampal
volumes in patients
32% reduction in amygdala volumes
Results generally consistent with
others involving chronic stress
and/or severe trauma (e.g., PTSD)
Stress, DID, & tissue volumes—
what’s cause and what’s effect?
effect? Musings about the implications of DID What
What is the “self?” Do you have one? Do you have only
What does “personal responsibility” mean in daily life?
The cases of Billy Milligan & Kenneth Bianchi
Wisconsin and Florida “rape” cases
involving DID patients Mark Peterson 11...
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