Hypnotic Age-Regression and Magnitudes of the Ponzo and Poggendorff Illusions

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Science  22 Mar 1968:
Vol. 159, Issue 3821, pp. 1375-1376
DOI: 10.1126/science.159.3821.1375


The effect of hypnotically induced age-regression on the magnitudes of the Ponzo and Poggendorff illusions was determined for ten college students. The results, when compared with normative developmental data, are more typical of younger ages than of the chronological ages of the subjects.