The photoplay; a psychological study (1916)

Record Details:

Title:
The photoplay; a psychological study
Date:
1916
Publisher:
New York [etc.] D. Appleton and company
Volume:
The photoplay; a psychological study
Leaf #:
00073
Language:
English
Collection:
Books
Format:
Books
Contributor:
Cornell University Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
Date Added:
July 19, 2022
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THE PHOTOPLAY ence of movement is here evidently produced by the spectator's mind and not excited from without. We may approach the same result also from experiments of very different kind. If a flash of light at one point is followed by a flash at another point after a very short time, about a twentieth of a second, the two lights appear to us simultaneous. The first light is still fully visible when the second flashes, and it cannot be noticed that the second comes later than the first. If now in the same short time interval the first light moves toward the second point, we should expect that we would see the whole process as a lighted line at rest, inasmuch as the beginning and the end point appear simultaneous, if the end is reached less than a twentieth of a second after the starting point. But the experiment shows the opposite result. Instead of the expected lighted line, we see in this case an actual movement from one point to the other. Again we must conclude that the movement is more than the mere seeing of successive positions, as in this case we see the movement, while the isolated positions do not appear as suc- cessive but as simultaneous. 64