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Objectives:
  • Contrast the processes of sensation and perception.
  • Distinguish between absolute and difference thresholds.
  • Label a diagram of the parts of the eye and ear.
  • Describe the operation of the sensory systems (five senses).
  • Explain the Young-Helmholtz and opponent-process theories of color vision.
  • Explain the place and frequency theories of pitch perception.
  • Discuss Gestalt psychology’s contribution to our understanding of perception.
  • Discuss research on depth perception and cues.

Essential Questions:
  • How do the five senses receive and translate signals to the brain for processing?
  • How do sensation and perception differ?
  • How does the brain process sensory signals accurately? Inaccurately?

Key Terms and Key People
sensation
perception
bottom-­‐up
processing
top-­‐down
processing
psychophysics
absolute
threshold
signal
detection
theory
subliminal
difference
threshold
Weber’s
Law
sensory
adaptation
transduction
wavelength
hue
intensity
pupil
iris
lens
accommodation
retina
acuity
nearsightedness
farsightedness
rods
cones
optic
nerve
blind
spot
fovea
feature
detectors
parallel
processing
Young-­‐Helmholtz
trichomatic
(3
color
)theory
opponent-­‐process
theory
color
constancy
audition
frequency
pitch
middle
ear
inner
ear
cochlea
place
theory
frequency
theory
conduction
hearing
loss
sensorineural
hearing
loss
gate-­‐control
theory
sensory
interaction
kinesthesis
vestibular
sense



Selective Attention