Sleep Cycles
What sleep stage is associated with sleep spindles?
What is NREM-2
This theory suggests sleep evolved to keep us safe at night.
What is the evolutionary/adaptive theory?
Freud believed dreams revealed this.
What is the unconscious mind?
Focusing on one voice in a noisy room is called this.
What is the cocktail party effect?
These principles explain how we perceive organized wholes.
What are Gestalt principles?)
Which stage of sleep is considered the deepest and features delta waves?
What is NREM-3?
A person suddenly collapses into REM sleep—what disorder is this?
What is narcolepsy?
This theory suggests dreams help us sort daily experiences.
What is the information-processing theory?
Perception uses both bottom-up and this kind of processing.
What is top-down processing?
Depth perception cue that depends on two eyes.
What is binocular disparity?
What stage of sleep do we dream most vividly?
What is REM sleep?
Loud snoring and interrupted breathing are symptoms of this disorder.
What is sleep apnea?
What is the theory that says dreams result from random neural activity?
What is the activation-synthesis theory?
When you miss a visible object because you're focused elsewhere.
What is inattentional blindness?
A monocular cue where lines appear to converge in the distance.
What is linear perspective?
Which part of the brain regulates circadian rhythms?
What is the suprachiasmatic nucleus?
This theory says sleep helps us repair brain tissue.
What is the restorative theory?
According to Freud, this is the hidden meaning of dreams.
What is the latent content?
This type of blindness involves failing to notice changes in the environment.
What is change blindness?
When an object is perceived the same despite lighting changes.
What is perceptual constancy?
Name the correct order of sleep stages in one cycle.
What is NREM-1, NREM-2, NREM-3, NREM-2, REM?)
A child screams and appears terrified but is not dreaming—what disorder is this?
What are night terrors?
This theory suggests dreams serve no real purpose.
What is the neural activation or biological theory?)
This refers to a mental predisposition that affects what we perceive.
What is perceptual set?
The principle where we fill in gaps to create a complete object.
What is closure?