Sensation
The detection of a signal 50% of the time.
What is absolute threshold?
The tendency to see something as part of a group.
What is a perceptual set?
Protects the eye.
What is the cornea?
Innermost part of the ear that has the cochlea.
What is the inner ear?
_____ receptors that sense: bitterness, saltiness, sweetness, sourness, and umami.
What is taste?
Two stimuli must differ by a constant minimum proportion. (Also relates to a psychophysics law)
What is the difference threshold (also known as Just Noticeable Difference)?
What is Weber's Law?
The failure to notice a change in the scene.
What is change blindness?
How both eyes make up a 3D image.
What are binocular cues?
Part of the ear that has the ear drum and bones that vibrate to send signals.
What is the Middle Ear?
Sense of balance.
What is vestibular sense?
Diminished sensitivity as a result of constant stimulation.
What is sensory adaptation?
The failure to notice something added because you're focused on another task. (Lady with the pink umbrella, gorilla video)
What is inattentional blindness?
Adjacent lights blink on/off in succession-- looks like movement.
What is the Phi Phenomenon?
Theory that says the location where hair cells bend determines sound (high pitches).
What is place theory?
Sense of body position.
What is Kinesthetic sense?
Diminished sensitivity due to regular exposure.
What is sensory habituation?
The focusing of conscious awareness on a particular stimulus.
Complementary colors are processed in ganglion cells--explains why we see an after image.
What is opponent process (theory)?
A theory that says the rate at which action potentials are sent determines sound (low pitches).
What is Frequency theory?
The only sense that does not route through the thalamus first. Goes to the temporal lobe and amygdala.
What is smell (olfaction)?
The theory that detection depends on experience, expectations, alertness, etc.
What is signal detection theory?
Notice your name across the room when it's spoken (when you weren't previously paying attention).
What is the cocktail party effect?
Specialized cells that see shapes, lines, etc. Located in occipital lobe.
What are feature detectors?
See mouth saying "ba" or "fa," overrides what you actually hear (va).
What is the McGurk effect?
Theory that says we have a "gate" to control how much pain is experienced.
What is gate-control theory>