AP Psychology Vocabulary List 9

Our biological clock; regular bodily rhythms that occur on a 24-hour cycle are called:

• Sleep stages

• Circadian rhythm

• REM sleep

• Biological pattern

A recurring sleep stage during which vivid dreams commonly occur, also known as paradoxical sleep, is:

• NREM sleep

• Delta sleep

• REM sleep

• Alpha sleep

The relatively slow brain waves of a relaxed, awake state are called:

• Delta waves

• Beta waves

• Theta waves

• Alpha waves

All sleep stages except for REM sleep are collectively known as:

• REM sleep

• NREM sleep

• Deep sleep

• Dream sleep

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

• Night terrors

• Hallucinations

• Illusions

• Daydreams

Sensations of falling or floating that occur during the transition to sleep are called:

• Sleep onset sensations

• Hypnagogic sensations

• Sleep paralysis

• Dream states

The large, slow brain waves associated with deep sleep are:

• Alpha waves

• Beta waves

• Delta waves

• Theta waves

A pair of cell clusters in the hypothalamus that controls circadian rhythm and regulates melatonin production is the:

• Amygdala

• Suprachiasmatic nucleus

• Hippocampus

• Reticular formation

Recurring problems in falling or staying asleep define:

• Narcolepsy

• Night terrors

• Insomnia

• Sleep apnea

A sleep disorder characterized by uncontrollable sleep attacks and lapsing into REM sleep is:

• Sleep apnea

• Night terrors

• Narcolepsy

• Insomnia