AP PSYCHOLOGY UNIT 4: Biological Bases of Behaviour Set III

Our awareness of ourselves and our environment.

A split in consciousness, which allows some thoughts and behaviors to occur simultaneously with others.

The biological clock; regular bodily rhythms that occur on a 24-hour cycle.

Rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur.

The relatively slow brain waves of a relaxed, awake state.

False sensory experiences, such as seeing something in the absence of an external visual stimulus.

The large, slow brain waves associated with deep sleep.

Non-rapid eye movement sleep; encompasses all sleep stages except for REM sleep.

A pair of cell clusters in the hypothalamus that controls circadian rhythm.

Recurring problems in falling or staying asleep.

A sleep disorder characterized by uncontrollable sleep attacks.

A sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings.

A sleep disorder characterized by high arousal and an appearance of being terrified.

A sequence of images, emotions, and thoughts passing through a sleeping person’s mind.

The tendency for REM sleep to increase following REM sleep deprivation.

According to Freud, the remembered storyline of a dream.

According to Freud, the underlying meaning of a dream.

A chemical substance that alters perceptions and moods.

The diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the same effect.

Compulsive craving of drugs or certain behaviors despite known adverse consequences.

The discomfort and distress that follow discontinuing an addictive drug or behavior.

Drugs that reduce neural activity and slow body functions.

Opium and its derivatives, such as morphine and heroin; they depress neural activity, temporarily lessening pain and anxiety.

Drugs that excite neural activity and speed up body functions.

A powerful and addictive stimulant, derived from the coca plant, producing temporarily increased alertness and euphoria.

Psychedelic drugs, such as LSD, that distort perceptions and evoke sensory images in the absence of sensory input.

A powerful hallucinogenic drug; also known as acid.

The major active ingredient in marijuana; triggers a variety of effects, including mild hallucinogens.