Sleep
This device, which records brain wave activity, made the non-invasive study of sleep.
EEG (electroencephalograph)
What is hypnosis?
A form of altered consciousness involving a state of heightened suggestibility.
This widely consumed psychoactive drug found in coffee and tea is a central nervous system stimulant.
caffeine
What is consciousness?
This is the state of being aware of and responsive to one's surroundings, a core focus of early psychologists.
In which sleep stage does dreaming occur
REM
There are four stages of NREM sleep, but this specific stage is characterized by the deepest sleep, during which it is most difficult to be awakened.
Stage 3
What is the neodissociation (or divided consciousness) theory?
A theory proposed by Ernest Hilgard that suggests hypnosis causes a split in consciousness, with one part aware of reality and another absorbed in the hypnotic experience.
What is the most commonly used depressant in the United States, despite being a major factor in traffic fatalities?
Alchohol
What are hallucinogens
Drugs that cause hallucination
What is stage 4 sleep
the deepest, most restorative phase of non-REM
What stage of sleep is also known as "active sleep" because brain waves, heart rate, and blood pressure increase and become irregular, despite the body being virtually immobile.
REM (Rapid Eye Movement) sleep
What is a social interaction?
Most psychologists regard hypnosis as a type of this, where an individual is acting out a social role.
Found in cigarettes, this colorless, odorless, and highly addictive drug is considered one of the most addictive substances available.
nicotine
selective attention
our ability to focus on one stimulus while filtering out others, like a radio station.
What causes asthma
a mix of genetic predisposition and environmental factors
A full sleep cycle, moving from NREM through to REM sleep, typically takes this amount of time to complete.
90 minutes.
What is a posthypnotic suggestion?
This technique involves giving a person a suggestion during hypnosis that will be carried out after the hypnosis session ends, often to help change an unwanted behavior.
This term describes the intense physical and cognitive suffering that occurs when a dependent user stops taking a drug.
withdrawal
Explain how a person can alter his or her consciousness through meditation
Focusing attention
What are psychoactive drugs
Chemicals that affect the nervous system and result in alted consciousness
If awakened during this NREM stage, a person might report that they were not asleep at all, merely resting with their eyes closed.
What is hypnotic analgesia?
The use of hypnosis to reduce pain, which has been successful enough that some operations have been performed using it instead of anesthesia.
The body's need for larger and larger amounts of a drug to produce the same effect is known as this.
tolerance
Describe the difference between stimulants and depressants.
Stimulants speed up the CNS, while depressants slow it down
What is a circadian rhythm
The rhythm of activity and inactivity lasting approximately one day