Unit 5 Vocabulary (Sensation And Perception) Flashcards
Absolute threshold
Minimum stimulation for detection
Accommodation (perceptual)
Changing of the eyes lens
Basil membrane
Fluid in cochleau
Binocular cues
Depth cues need two eyes
Blind spot
No receptors at optic nerve
Bottom up processing
Sensory receptors to brain (afferent)
Cochleau
Inner- ear, tube with nerve receptors
Cones
Receptor cells for light, color, detail
Convergence
Narrowing solutions to find best one
Cornea
Protects eye,
outer layer
Dark adaptation
Moving from cones to rods in darkness
Difference threshold
Minimum difference between stimuli for detection
Eardrum
Vibrates to amplify
Feature detector
Nerve cells that respond to specific features
Fovea
Where the cones cluster
Frequency theory
Rate of nerve impulses determines pitch
Gate control theory
Spinal cord controls pain gate
Habituation
Losing sense after constant stimulation