Perception: Visual Flashcards
He was a physicist who made important contributions to field as diverse as thermodynamics, nerve physiology, visual perception, and aesthetics.
Hermann Von Helmholtz
versions of which are still used today to enable physicians to examine the blood vessels inside the eye.
Ophthalmoscope
which states that we perceive the object that is most likely to have caused the pattern of stimuli we have received.
likelihood principle
are regularly occurring physical properties of the environment.
This occurs in human-made environments (for example, buildings contain lots of horizontals and verticals) and also in natural environments (trees and plants are more likely to be vertical or horizontal than slanted)
Physical regularities
from above, because light in our
environment, including the sun
and most artificial light, usually
comes from above.
Light-from-above Assumption
are the characteristics associated with the functions carried out in different types of scenes.
Semantic regularities
the area you are looking at.
Central Vision
everything off to the side.
Peripheral Vision
rapid, jerky movement from one fixation to the next.
Saccadic eye movement
Shifting attention from one place to another by moving the eyes is called _.
Overt attention
Shifting attention while keeping the eyes still is called _.
covert attention
Although movement adds a complexity to perception that isn’t there when we are sitting in one place, movement also helps us perceive objects in the environment more accurately. One reason this occurs is that moving reveals aspects of objects that are not apparent from a single viewpoint.
Perception of Human motion
Movement is also important because of the coordination that is continually occurring between perceiving stimuli and taking action toward these stimuli.
The Interaction of Perception and Action
This difficulty in detecting changes in scenes
Change blindness
