Abstract
Photic stimulation, the exposure of the human eye to repetitive flashes of light, has been employed in recent years in three ways; as a diagnostic, as a therapeutic, and as a research method. In each case, its use has opened new frontiers of inquiry into the borderlands of neurology and psychology.This paper presents certain observations which stem from the testing of exploratory hypotheses with regard to an expected relationship between photic stimulation and imagery, alpha rhythm, critical flicker frequency (CFF), personality test data, overt reactions, and after-images in three major diagnostic groups: schizophrenics, organic brain damage (paretics and others), and normal individuals (no history of brain damage or emotional disorder).Since this is a report of exploratory work, no attempt has been made to apply rigorous statistical tests nor to arrive at final conclusions. The aim is rather to stimulate further research which may employ more adequate instruments, larger groups, or different conceptual schemes.
Publisher
Royal College of Psychiatrists
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