I Need To Sleep
The light-sensitive inner surface of the eye containing photoreceptor rods and cones.
What is Retina?
The organized whole; perspective emphasizing our tendency to integrate pieces into meaningful wholes.
What is Gestalt?
The mental predisposition to perceive one thing and not another based on expectations.
What is Perceptual Set?
The process of organizing and interpreting sensory information to recognize meaningful objects.
What is Perception?
The process by which sensory receptors receive physical energy from the environment.
What is Sensation?
The coiled, fluid-filled tube in the inner ear where sound waves trigger nerve impulses.
What is Cochlea?
The Gestalt principle grouping figures together that are similar to each other.
What is Similarity?
The electroencephalogram measuring brain wave activity across different sleep stages.
What is an EEG (electroencephalogram)?
The information processing guided by higher-level mental processes and expectations.
What is Top-Down Processing?
The sense of body movement, balance, and orientation derived from semicircular canals.
What is Vestibular?
The sleep disorder marked by uncontrollable sleep attacks directly into REM sleep.
What is Narcolepsy?
The Gestalt principle grouping nearby figures together.
What is Proximity?
The biological clock regulating regular bodily rhythms (temperature, sleep) on a 24-hour cycle.
What is Circadian Rhythms?
The analysis beginning with sensory receptors and working up to brain integration.
What is Bottom-Up Processing?
The system for sensing the position and movement of individual body parts.
What is Kinesthetic?
The persistent problems in falling or staying asleep resulting in daytime fatigue.
What is Insomnia?
The Gestalt principle filling in gaps to create a complete, whole object.
What is Closure?
The theory that spinal cord contains a neurological gate blocking or allowing pain signals.
What is Gate-Control Theory?
The minimum stimulus intensity needed to detect a particular stimulus 50% of the time.
The psychedelic drugs (LSD, marijuana) that distort perceptions and evoke sensory images.
What is Hallucinogens?
The rapid eye movement sleep stage characterized by vivid dreaming and muscle paralysis.
What is REM Sleep?
This, according to Freud, is the remembered, explicit story line of a dream.
What is Manifest Content?
The principle stating two stimuli must differ by a constant minimum percentage to be perceived as different.
What is Webster's Law?
The diminished sensitivity as a consequence of constant, unchanging stimulation.
What is Sensory Adaptation?
The drugs (caffeine, nicotine, amphetamines, cocaine) that excite neural activity.
What are Stimulants?