Cognitive neuropsychiatry · 2017
Interidentity amnesia in dissociative identity disorder.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Morton John
Аннотация
INTRODUCTION: Patients diagnosed with dissociative identity disorder (DID) usually present with alternative personality states (alters) who take separate control of consciousness. Commonly, one alter will claim they have no awareness of events which took place when another alter was in control. However, some kinds of material are transferred across the alter boundary. Huntjens et al. devised an objective method of demonstrating such transfer.
METHODS: In the main study, following Huntjens et al., for three patients, two alters were taught different sets of nouns. The following week, one of the alters was given a recognition memory test including both sets plus distractor words. The patients in the Huntjens experiment responded in the same way to words in both sets.
RESULTS: In the present experiemnt, two of the patients tested had pairs of alters where there was no interference from the material which was presented to the other alter. In one of these cases, there was breakthrough with one pairing of alters, a pattern matched in a subsidiary experiment.
CONCLUSIONS: The population of individuals with DID are not homogeneous with respect to the depth of the blocking of episodic material from one alter to another.
METHODS: In the main study, following Huntjens et al., for three patients, two alters were taught different sets of nouns. The following week, one of the alters was given a recognition memory test including both sets plus distractor words. The patients in the Huntjens experiment responded in the same way to words in both sets.
RESULTS: In the present experiemnt, two of the patients tested had pairs of alters where there was no interference from the material which was presented to the other alter. In one of these cases, there was breakthrough with one pairing of alters, a pattern matched in a subsidiary experiment.
CONCLUSIONS: The population of individuals with DID are not homogeneous with respect to the depth of the blocking of episodic material from one alter to another.