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Join our Telegram Group for Fast updates and VU Short Lectures https://t.me/joinchat/TFLF2vbjfq5qs4Ww Spatial Perception - Factors, Types - BBA104- PSy101 Introduction to Psychology . #VU #PSY101 #BBA104. Ruch stated that movement means change in spatial condition of a thing. The perception of a moving thing occurs in its static background.
Change in Distance and direction as both helpful in the perception of movement.
There are two kind of perception of movement
1. Real or physical movement
2. Apparent movement
3. Factors of perception of movement
Threshold : 0.2 cm per second to 44 feet per second. Beyond this range image will be perceived blur.
Effect of distance :
Relativity : physical speed and perceived speed is not equal in measuring scale.
After image :
It an illusion(impression) of movement in which there is no perception of movement without any actual movement of the object.
Phi-phenomenon : two or stationary objects illusion by on/off by short interval of time.
Stroboscopic motion : series of still images presented in rapid succession.
Monocular
Relative size: object movers father away, its images on retina becomes smaller. Farther objects have smaller images and nearer images have bigger images.
Linear parallax : The clear convergence(meeting) of parallel lines are intercepted as a clue to distance that is called perspective. For example the side lines of road seems to converge inward due to distance.
Overlapping or intersection of objects : If one things covers another, then the covered thing seems farther and coverer seems nearer. #vushortlectures
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