schizoidian.
/skɪtˈsɔɪdɪə//skɪdˈzɔɪdɪə/ Psychology.
The schizoid state, esp. when regarded as caused by the same genetic disorder as schizophrenia.
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schizoidia1940
1940 in L. E. Hinsie & J. Shatzky Psychiatric Dict. 475/1.
1970 Science 16 Jan. 253/1 By including schizoid disease (schizoidia), this hypothesis extends that of Slater... The view that schizoidia and schizophrenia are a single disease genetically is supported by their clinical similarity.
1973 McClearn & DeFries Introd. Behavioral Genetics xi. 275 Twin data are utilized to support the hypothesis that schizoidia and schizophrenia are manifestations of the same underlying genetic disease.
1976 Ehrman & Parsons Genetics of Behav. xi. 276 Schizoidia may be defined as a pre- or potentially schizophrenic mental state.
This entry has not yet been fully updated (first published 1982; most recently modified version published online June 2021).
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n.1940