Some time ago one of us offered a theory of personality based mainly on psychiatric experience.1 In dealing with the problem of analysis of personality it was pointed out that the task of such analysis consisted not only in direct observation of manifest traits, but also in bringing to light possible latent ones. Among the means for accomplishing the latter, a more systematic utilization of ontogenetic data was suggested.
In that theory five elementary components of personality were distinguished, namely: normal, antisocial, cyclothymic, schizophrenic, and epileptic. Each of these was considered to be determined by special germ-plasm factors, and some evidence was brought forward which seemed to indicate that these factors were ranged in a scale of dominance, the normal factor being epistatic (in Bateson's sense) in relation to the others, the epileptic factor hypostatic, and the remaining factors epistatic in relation to some and hypostatic in relation to
ROSANOFF AJ, BERGMAN GW. CONSTITUTIONAL PSYCHOSES ENDING IN PERMANENT RECOVERY. Arch NeurPsych. 1924;11(1):70–81. doi:10.1001/archneurpsyc.1924.02190310076006
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