Note 156 — LECTURE X THE MEANING OF IDEAS AS DETERMINED BY SETTINGS

It is of interest to note again in this connection that these secondary images may emerge from a subconscious process to form the structure of an hallucination. Various facts of observation which I have collected support the thesis advanced by Sidis (loc. cit.) on theoretical grounds “that hallucinations are synthesized compounds of secondary sensory elements dissociated completely or incompletely from their primary elements.” It would carry us too far away from our theme to consider here this problem of special pathology. Sidis further insists that hallucinations are not central, but always “are essentially of peripheral origin,” a view which, it seems to me, is incompatible with numerous facts of observation.