Biological factors of visual and gustatory perception Flashcards
What is depth perception?
The ability to judge distances and see the world in three dimensions.
What are monocular depth cues?
only require one eye to send information to the brain to perceive depth.
MONOCULAR DEPTH CUES
What is accomodation?
processes where lens changes shape in order to bring an object in focus on the retina
MONOCULAR DEPTH CUES
What is motion parallax?
influences how we judge relative distance
causes closer objects to appear to move faster, further objects appear slower.
MONOCULAR DEPTH CUES
What are pictorial depth cues?
Examples?
manipulated by artists when drawing a picture
relative size, texture gradient, linear perspective (horizon).
What are binocular depth cues?
require both eyes to send information to the brain to perceive depth
BINOCULAR DEPTH CUES
What is convergence?
What activities do we use it for?
ability to turn both eyes inward toward each other to look at a close object.
near-work activities (desk work at school)
BINOCULAR DEPTH CUES
What us retinal disparity?
difference between the view that each eye receives of a given object or scene.
3 Biological factors that effect gustatory perception?
age and genetics
illness
pregnancy
How do age and genetics effect gustatory perception?
2 points
likely to have a different number of taste buds to someone else
number of taste buds will change as we age.
How does illness effect gustatory perception?
2 points
brain is not receiving the full range of sensations that combine to give food its flavour (lost sense of smell)
results in food tasting different (bland)
How does pregnancy effect gustatory perception?
2 points
can be a biological change in taste during pregnancy
pregnant ppl are very sensitive to smells and tastes
