Brain Waves
Sleep Stages
Am I Conscious?
Sleep Gone Wrong
Altered States
100

Deep sleep

What are delta waves?

100

Dream sleep

What is REM?

100

Disorder characterized by depression, overtiredness, and overeating in winter.

What is Seasonal Affective Disorder? (SAD)

100

Inability to fall asleep or remain asleep.

What is insomnia?

100

Psychologist famous for book The Interpretation of Dreams; believes dreams represent our unconscious desires.

Who is Sigmund Freud?

200

Wide awake

What are beta waves?
200

Sleep walking, sleep talking, and bedwetting

What is N3?

200

Biological rhythms that occurring once every 24 hours.

What are circadian rhythms?

200

Terrifying dream during NREM.

What is a night terror?

200

Dream theory stating dreams are by products of random neural firing in the pons.

What is the Neural Activation (noise) theory?

300

Crossing the threshold between awake and asleep

What are alpha waves?

300

Twilight state (between awake and asleep)

What is N1?

300

Present day psychologists distinguish between these two types of behaviors.

What are automatic and controlled?

300

Interrupted breathing during sleep, often times resulting in snoring and sometimes treated with a CPAP machine.

What is sleep apnea?

300

A state of heightened suggestibility, deep relaxation, and highly focused attention.

What is hypnosis?

400

REM sleep

What are beta waves?

400

We spend most of the night in this stage.

What is  N2?

400

Hormone that acts upon the hypothalamus to control the sleep/wake cycle and body responses to the annual seasons cycle.

What is melatonin?

400

Falling instantly into REM sleep from a fully awake state.

What is narcolepsy?

400

Chemicals that affect mental processes and behavior by their affect on the brain.

What are psychoactive drugs?

500

Distinguishing characteristic of Stage 2 sleep

What are sleep spindles or k complexes?
500

Gets longer as the night goes on.

What is REM?

500

The reason why texting and driving is against the law. (We can only truly attend consciously to one thing at a time.)

What is serial processing?

500

Five days of sleep deprivation can lead to this disorientating condition.

What is paranoia.

500

According to Freud, the actual, literal content of a dream.

What is the manifest content?

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