Shared psychosis: an extremely rare condition found in the DSM IV that describes psychotic behavior exhibited by a healthy individual who is under the influence of a close friend or family member with schizophrenia. There is a lot we don't know about the mind; however we do know that people can act in irrational ways when the neurotransmitters in their brain are not functioning properly.
Could this explain the case of the Eriksson twins? These sister were behaving strangely before darting across...
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