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INTERPRETATION IN VISUAL PERCEPTION
The predisposition / readiness to perceive stimuli in line with our expectations, ignoring other stimuli or other possible interpretations.
Perceptual Set = ExpectancyVarious psychological factors create an EXPECTATION
to organise &/or interpret information in a particular way.
Turn to page 125 in your text and complete the simple activity
PERCEPTUAL SET
PERCEPTUAL SET
Perceptual set can: ENHANCE visual perception by correctly anticipating
a stimulus hence interpreting it more quicklyLead to MISINTERPRETATION of a stimulus by
incorrect anticipation or expectationPerceptual set can be influenced by:
ContextPast ExperienceMotivationEmotional stateCultural factors
The setting in which the stimulus occurs. The physical circumstances or surroundings in
which the observed event or object occurs. The same behaviour or same event may be
perceived differently depending on the circumstances in which it occurs.
If we always see information in a particular context, this can create an expectancy that it will never be seen in another context.
Perceptual Set CONTEXT
The personal experiences we have experienced throughout our lives.
These experiences are subjective (they are interpreted in very personal ways).
The subjective interpretations are due to the individual’s intellectual capacity, personality traits, upbringing, attitudes & values.
Every individual has a unique combination of past experiences, hence leading to individual differences in perception.
Perceptual Set PAST EXPERIENCE
Relates to activating behaviour that is directed towards achieving a particular goal.
They can be influenced by physiological factors (bodily functions eg. hunger) or psychological factors (interests or ambitions).
Perceptual Set MOTIVATION
How we are feeling can influence the way in which we perceive visual information
Perceptual Set EMOTIONAL STATE
Refer to the way of life of a particular community or group that sets it apart from other communitites and groups. (customs, traditions beliefs, attitudes, rules about right and wrong)
Eg. remote tribal community – not understanding a photograph
Perceptual Set CULTURAL FACTORS
Distortions or mistakes in visual perception sometimes occur.
Visual illusions demonstrate cases in which reality is misperceived.
VISUAL ILLUSION: a misinterpretation of real sensory stimuli; there is a mismatch between our perception and what we understand as physical reality.
PERCEPTUAL COMPROMISE: occurs when two or more visual cues conflict with each other when we are interpreting visual information, hence leading us to make a ‘compromise’ and settling on an interpretation that makes the ‘best sense’.
Distortions of Visual Perception
Muller-Lyer Illusion
Perceptual Compromise we compromise the information about the length of the horizontal
lines and the length of each whole figure.
Illusions
Ames Room Illusion– Apparent depth or distance
theory
• Use of ONLY monocular cues, binocular cues are prevented from being used
– Perceived size of the people in the room is determined by the image cast on the retina
– We are tend to maintain shape constancy at the expense of size constancy
AMBIGUOUS FIGURES A visual stimulus that can be perceived in
more than one way, with each different perception being equally accurate.
The differing interpretations of the stimulus occur with shifts in attention and how we perceive the contour.
Other Illusions
IMPOSSIBLE FIGURES
A visual stimulus object that produces conflicting interpretations and is perceived on a 2-dimensional surface as being impossible in the real world (3-dimensional)