CHAPTER 6. PERCEPTION. Selective Attention. Selective Attention: the focusing of conscious awareness on a particular stimulus. Selective Attention.
Look at the plus sign in the middle, the pink/purple dots will disappear and be replaced by a green ring.
The circles are not moving. If you look at one it remains stationary while the other circles are moving.
Stare at the four black dots in the center of the image for 30 - 60 seconds. Then quickly close your eyes and look at something bright (like a lamp or a window with sunlight coming through it). You should see a white circle with an image inside it.
An Old Woman or a Young Lady?
We perceive the picture figures below as one group of 2 circles, one single circle and another group of 2 circles.
Can you come up with examples of proximity as it relates to real life?
We see two columns of Xs and two columns of Os not four rows of XOXO
Once an object appears to move in a particular direction, your brain assumes that the movement continues unchanged. On some smaller highways, for example, you can easily miss your turn unless you really pay attention to the signs. We tend to assume that the highway continues in the direction we’ve been moving
We perceive these objects as a circle and a square.
Gibson and Walk
6 month old infants
would not crawl to
their mothers if the were
on the “deep” side
more retinal disparity
than objects farther
A depth cue whereby dimmer objects appear to be farther away than bright objects
When we are in motion, nearby objects will appear to move by rapidly while objects that are farther away will appear to move more slowly
A readiness or predisposition to perceive a stimulus in a certain way. Perceptual sets can save us time that is usually consumed by additional detail processing of stimulus features, but they can also lead to perceptual errors.
Once we have formed a wrong idea about reality, we have more difficulty seeing the truth
design appliances, machines,
and work settings that fit our
Anyone who believes in psychokinesis, raise my hand