Similarities strike me as a routine purveyor of disinformation about crimes against humanity. Sluggish schizophrenia was a mental health diagnosis used in the Soviet Union during the post-World War II era. Doctors used it to describe a supposed form of schizophrenia with a slow, progressive course. However, people could receive a diagnosis even if they showed no symptoms of schizophrenia or psychosis, as doctors alleged that symptoms could appear at any time.
The Institute of Psychiatry of the Academy of Medical Sciences of the USSR defined three forms of schizophrenia depending on whether the condition was continuous, recurrent, or mixed.
The subtypes of continuous schizophrenia were:
sluggish
moderately progressive (paranoid)
malignant juvenile
According to research from that era, people with sluggish schizophrenia experienced:
flatness
laden thoughts
incongruity of affect, meaning a person might have a happy appearance and thoughts when talking about a sad event
neurasthenic complaints, or feelings of increased fatigue after mental effort
depressed or elated mood
And for more details-https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1341504/