Describes our awareness of internal and external stimuli.
What is Consciousness?
A state marked by relatively low levels of physical activity and reduced sensory awareness that is distinct from periods of rest that occur during wakefulness.
What is Sleep ?
A consistent difficulty in falling or staying asleep, the most common of the sleep disorders.
What is Insomnia?
A variety of negative symptoms experienced when drug use is discontinued.
What is drug withdrawal?
A state of extreme self-focus and attention in which minimal attention is given to external stimuli.
What is Hypnosis?
Is characterized by high levels of sensory awareness, thought, and behavior.
What is wakefulness?
Refers to the brain’s control of switching between sleep and wakefulness as well as coordinating this cycle with the outside world.
What is Sleep Regulation?
Having uncomfortable sensations in the legs during periods of inactivity or when trying to fall asleep.
What is restless leg syndrome?
A drug that tends to suppress central nervous system activity.
What is a depressant?
The act of focusing on a single target (such as the breath or a repeated sound) to increase awareness of the moment.
What is Meditation?
Internal rhythms of biological activity.
What is Biological Rhythms?
A transitional phase that occurs between wakefulness and sleep, the period during which we drift off to sleep.
What is stage 1 sleep?
Episodes during which a sleeper’s breathing stops.
What is Sleep apnea?
Drugs that tend to increase overall levels of neural activity.
What are stimulants?
A discipline that studies how universal patterns of behavior and cognitive processes have evolved over time as a result of natural selection.
What is Evolutionary psychology?
The tendency to maintain a balance, or optimal level, within a biological system.
What is Homeostasis?
The body goes into a state of deep relaxation.
Unlike other sleeping disorders, this disorder cannot resist falling asleep at inopportune times.
What is narcolepsy?
One of a category of drugs that includes heroin, morphine, methadone, and codeine.
What is opioids?
The fact that a sleep-deprived individual will tend to take a shorter time to fall asleep during subsequent opportunities for sleep.
What is Sleep rebound?
A biological rhythm that takes place over a period of about 24 hours.
What is circadian rhythm?
These two stages are often referred to as deep sleep or slow-wave sleep because these stages are characterized by low frequency (up to 4 Hz), high amplitude delta waves.
What is stage 3 and stage 4 sleep?
One of a group of sleep disorders in which unwanted, disruptive motor activity and/or experiences during sleep play a role.
What is parasomnia?
A type of amphetamine that can be made from ingredients that are readily available
What is Methamphetamine?
A type of psychotherapy that focuses on cognitive processes and problem behaviors.
What is Cognitive-behavioral therapy?