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Orientational Perception: III. Orientational Percept Distortions in Depersonalization

Published Online:https://doi.org/10.1176/ajp.125.8.1048

The author reports a study of orientational percept (OP) distortions using 20 depersonalized and derealized patients and matched controls. His findings tend to support a heuristic theory of abnormal (verbal) behavior relating reports of OP distortions to the symptoms of depersonalization and derealization. The indices of OP and of depersonalization, derealization relate reliably to other more established predictors of psychiatric states and to the verbal behavior of patients and controls.

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