Consciousness
The psychological state of being engaged with the environment.
What is arousal?
According to Freud, the surface content of a dream, containing dream symbols that disguise the dream's true meaning.
What is manifest content?
Drugs that act on the nervous system to alter consciousness, modify perception, and change mood.
What are psychoactive drugs?
Mental states that are noticeably different from normal awareness.
What are altered states of consciousness?
The stage of sleep that is often characterized by the "feeling of falling."
What is Stage N1 sleep?
The strong desire to repeat the use of a drug for emotional reasons.
What is psychological dependence?
States of consciousness that require little attention and do not interfere with ongoing activities.
What are automatic processes?
A sleep disorder in which individuals feel a sudden and uncontrollable urge to sleep.
What is narcolepsy?
Caffeine, nicotine, amphetamines, and cocaine are examples of this type of psychoactive drug.
What are stimulants?
An individual's understanding that they and others think, feel, perceive, and have private experiences.
What is theory of mind?
Theory that dreams result from the brain's attempts to find logic in random brain activity that occurs during sleep.
What is the activation-synthesis theory of dreaming?
The neurotransmitter that is increased when becoming addicted to a substance.
What is dopamine?
Higher-order, complex cognitive processes that occur as a part of higher level consciousness.
What is executive function?
The small brain structure that uses input from the retina to synchronize its own rhythm with the daily cycle of light and dark.
What is the suprachiasmatic nucleus?
Depressants, such as alcohol, __________ central nervous system activity.
What is decrease?