I found this from Jim Twiggs in the archives. I was surprized firstly because I have no memory of this post and because I know Ian Hacking's book Rewriting the Soul - Multiple Personality and the Science of Memory, but was not aware of the other Hacking book he mentions. I will have to do some more digging to find out the context of this post - Pale Fire perhaps? or something else. Hopefully JT, Sergei or Susan can enlighten us and save me the time.

James Twiggs <[log in to unmask]>
Vladimir Nabokov Forum <[log in to unmask]>
Thu, 12 Mar 2009 14:28:32 -0700

In an earlier message, I recommended Ian Hackings' book on fugue states. A few minutes later, I remembered that Hacking had also written a book on multiple personality, Rewriting the Soul: Multiple Personality and the Sciences of Memory (Princeton, 1995). When I tracked Freud down by means of the index, I found this:
"Breuer and Freud famously asserted 'that 
the splitting of consciousness which is so striking in the classical cases under the form of double conscience
 [i.e., double consciousness] is present to a rudimentary degree in every hysteria, and that a tendency to such a dissociation, and with it the emergence of abnormal states of consciousness (which we shall bring together under the term of 'hypnoid') is the basic phenomenon of this neurosis.'"  --Hacking, p. 150-151. The quotation is from Breuer and Freud (1893), in Freud, S.E. 2:12 (emphasis in original).       
I pass this along on the off-chance that it may provide new information to SB. Judging from this very limited bit of evidence, it seems likely that, as Sergei suggests, Freudian theory, simply through the treatment of hysteria, was, in a clear sense, deeply involved with multiple personalty in the 1950s, though perhaps without using that particular term. 
If this guess is off the mark and totally useless, please ignore it. Before I sign off, though, I can't help wondering whether SB or CK has had a look at Ellenberger's great work The Discovery of the Unconscious: The History and Evolution of Dynamic Psychiatry. It's been years since I read it, but as I recall it's full of fascinating details about a wide number of cases and schools of thought. 
Jim Twiggs
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