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THE SIX TESTS FOR EIDETIC IMAGERY*

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Introductory Page

Definition

History

Characteristics

Visual Imagery

Comparisons

Experiments

Age

"S"

Elizabeth

Bibliography

"Eidetic images do differ from visual imagery in general in that they do not seem to be under complete voluntary control but are determined or influenced by the actual viewing conditions." Therefore, these six tests are used to differentiate eidetic imagery from other kinds of visual imagery:

1. Whether an image of a particular part of a stimulus appears or not depends on whether that part has just been visually examined;

2. Whether that image of a part appears depends on whether that part has been visually examined by the eye that is currently open;

3. Whether a part remains visible in the image depends on whether it has yet faded, something that cannot be prevented by the subject;

4. Whether a part remains visible depends on whether there is a projection surface against which to see it;

5. Whether an image remains visible requires the subject to inhibit eye blinks;

6. Whether an image remains coherent depends on whether subsequent images are present that superimpose and combine together.