Biological rhythm over approximately 24 hours
What is Circadian rhythm
A change in behavior that occurs as a result of experience
What is learning
Falling asleep during the day unexpectedly
What is Narcolepsy
The amount of change needed to detect a difference in a stimulus
What is Just Noticeable Difference
Describes the awareness of experiencing stimuli.
What is Consciousness
Hormone that serves important role in sleep-wake cycle
What is Melatonin
Learning in which the stimulus or experience occurs before the behavior and then gets associated with the behavior
What is classical conditioning
Substance that slows down brain and behavioral activity
What are depressants
The minimum stimulation needed to detect a stimulus 50% of the time
What is the absolute threshold
Psychedelic drugs such as LSD & marijuana, that distort perceptions & evoke sensory images
What are hallucinogens
Dreaming occurs during this stage of sleep
What is Rapid Eye Movement
Stimulus that elicits an unlearned or reflexive response
What is an unconditioned stimulus
Consistent difficulty in falling or staying asleep
What is Insomnia
The process of interpreting sensory information
What is Perception
Large, slow brain waves associated with deep sleep
What are delta waves
Psychologist who believed that dreams are a way to interpret unconscious desires
Who is Sigmund Freud
Decreases behavior by adding something
What is a positive punishment
A group of drugs that cause changes in mood and sensory perception
What are Hallucinogens
Sleep disorder in which person ceases breathing while asleep
What is sleep apnea
Sleep spindles occurs in this stage of sleep
What is Stage 2
Person who performs a behavior that serves as an example
What is a model
An emotional need for a drug
What is psychological dependence
Opium, morphine & heroin are these
What are opiates