Chapter 5 Flashcards
(40 cards)
the detection of physical energy by our sense organs
Sensations
collection of processes used to arrive at a meaningful interpretation of those sensations
Perception
3 Stages of Sensory Processing
Translate the Message ➡️ Identifying the Message Components ➡️ Create a Stable Interpretation from the Message
hue (color)
wavelength
rightness
intensity of light
saturation
relative purity of light
sclera
the white of the eye
iris
the colored part of the eye
pupil
the hole which light enters the eye
altering the size of the pupil to adjust to lighting in different places
pupillary reflex
curved transparent layer
cornea
bends and changes curvature to fine-tune images
lens
lens changing shape to focus light
accommodation:
cells in the visual cortex that respond to very specific visual events such as bars of light at particular orientations
Feature Detectors
theory proposing that cells in the visual pathway increase their activation levels to another color
Opponent Process Theory of Color Vision
processing that is controlled by the physical message delivered to the senses
Bottom-up Processing
processing that is controlled by one’s beliefs and expectations about how the world is organized
Top-down Processing
cues for depth that require input from only one eye
monocular depth cues
parallel lines that recede into the distance tend to converge toward a single point
linear perspective
cues for depth that depend on comparisons between the two eyes
binocular depth cues
difference between the locations of the images in the two eyes
retinal disparity
the closer the stimulus, the more the eyes turn inward toward one another
convergence
wave frequency (hertz)
pitch
wave amplitude (decibels)
loudness