Definitions
The periodic, natural loss of consciousness (that's not a coma, hibernation, or a result of anesthesia)
What is sleep?
Our awareness of ourselves and the environment
What is consciousness?
The body's biological clock that roughly synchronizes with the 24-hour day and night cycle
What is the circadian rhythm?
A compulsive craving that 90 million people worldwide suffer from as a result of alcohol and other drugs
What is an addiction?
Is alcohol considered a depressant, stimulant, or a hallucinogen?
What is a depressant?
The principle that information is often simultaneously processed on separate conscious and unconscious tracks
What is dual processing?
What is insomnia?
The diminishing effects with regular use of the same dose of a drug, requiring the user to take larger amounts of the same drug to experience similar effects
What is tolerance?
Is amphetamine a depressant, stimulant, or a hallucinogen?
What is a stimulant?
A sleep disorder characterized by uncontrollable sleep attacks
What is narcolepsy?
The condition in which a person can respond to a visual stimulus without consciously experiencing it
What is blindsight?
False sensory experiences, such as seeing something in absence of an external visual stimulus
What is a hallucination?
This drug produces euphoria and social intimacy but at the expense of short term health, potential loss of memory, and permanent harm to mood
What is ecstasy?
What are examples of states that occur spontaneously?
What is daydreaming, drowsiness, or dreaming?
The remembered storyline of a dream that acts as a representation of the underlying meaning
Suppose you're reading a book outside, and you're so focused on the book that you become unaware of the fact that the sun is starting to set. What type of conscious awareness is this?
What is inattentional blindness?
This sleeping disorder is characterized by temporary cessation of breathing during sleep and repeated momentary awakenings
What is sleep apnea?
This state of consciousness was reported by about 10 to 15 percent of patients revived from cardiac arrest
What is a near-death experience?
Slows reaction time and increases errors on tasks involving visual attention
What is sleep deprivation?
A pair of cell clusters in the hypothalamus that controls circadian rhythm; modifies melatonin production in response to light
What is the suprachiasmatic nucleus (SCN)?
The cocktail party effect is one's ability to attend to only one person's voice amongst many. What type of conscious awareness is this?
What is selective attention?
This period of sleep is associated with dreaming and jerky, rapid eye movement
What is REM sleep?
Drugs of this type are typically prescribed to induce sleep or reduce anxiety
What are barbiturates?
Failing to hear changes in one's environment is an example of
What is change deafness?