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six stages of visual perception
>>key knowledge>>
Application of psychological perspectives to explain
visual perception:
> characteristics of the visual perceptual system and
the visual processes involved in detecting and
interpreting visual stimuli
> the effect of psychological factors on perceptual set
> distortions of visual perceptions by illusions.
(VCE Study Design 2009)
A study of the way in which we perceive the world around
us through the sense of vision is a wonderful example of the
way the brain and body work together, depend on each other
and help each other as we go about our everyday activities.
One of the key objectives of this chapter is to help
you to understand how the physical reality of light from
the object in the environment—referred to as the distal
stimulus—is cast as an image on the retina—called the
proximal stimulus—and nerve impulses travel to the brain
where higher mental processes enable us to organise and
interpret what we see.
fig 6.1>> The eye
>>chapter overview>>
Six stages
of visual
perception
The processes
of visual
perception
The principles
of visual
perception
Distortions of
perception
> Reception
> Transduction
> Transmission
> Selection
> Organisation
> Interpretation
Reception and light energy
Reception and absolute threshold
The role of the eye in visual perception
Selection and organisation of visual
stimuli
> Perceptual constancies
> Size constancy
> Shape constancy
Gestalt principles of perceptual
organisation
> The phi phenomenon
> Figure-ground organisation
> Camouflage
> Closure
> Similarity
> Proximity
Depth perception
> Binocular depth cues
> Retinal disparity
> Convergence
> Monocular depth cues
> Accommodation
> Pictorial depth cues
> Linear perspective
> Interposition
> Texture gradient
> Relative size
> Height in the visual field
The effect of psychological factors on
perceptual set
The Ponzo Illusion
The Müller-Lyer Illusion
> The carpentered world hypothesis
> The perceptual compromise
theory
The Ames Room Illusion
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