Revision 8C Flashcards
Biological factors
internal genetic and/or physiologically based factors
Photoreceptors
the sensory receptors of the eye which receive light and convert this sensory information into
a form that can be sent to the brain
Rods
photoreceptors that allow someone to see in low levels of light
Cones
photoreceptors that allow someone to see colour and fine details in well-lit conditions
Depth cues
visual clues that allow someone to perceive the world in three dimensions and judge the distance and position of objects in their environment
Monocular
depth cues rely on visual information perceived by just one eye
Binocular
depth cues rely on visual information from both eyes
Psychological factors
internal factors pertaining to an individual’s mental processes, including their cognition, affect, thoughts, beliefs, and attitudes
Visual perception
principles guiding rules that apply to incoming visual signals and determine how they are
organised and interpreted
Gestalt principles
the guiding rules of perception that allow us to organise and group separate visual stimuli into
a meaningful whole
- figure-ground
- closure
- similarity
- proximity
Visual constancies
our ability to perceive visual objects as staying the same, even though they may appear to change or do change in our sensation
Perceptual set
a predisposition to perceive certain features of sensory stimuli and ignore other features that are deemed irrelevant
Historical experiences
lived experiences from the past
Social factors
external factors relating to an individual’s interactions with others and their external environment, including their relationships and community involvement
Culture
the customs, behaviours, and values of a particular group in society
