Sleep Deprivation, Sleep Disorders, and Dreams

These flashcards cover key vocabulary and concepts related to sleep deprivation, disorders, and the nature of dreams from the lecture notes.

Sleep Debt

The accumulation of sleep loss that one long sleep cannot restore.

REM Sleep

A sleep stage where emotional experiences are processed and helps protect against depression.

Narcolepsy

A sleep disorder characterized by uncontrollable sleep attacks, often entering REM sleep at inappropriate times.

Sleep Apnea

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

Night Terrors

A sleep disorder characterized by arousal during the night and an appearance of being terrified, occurring in NREM-3 sleep.

Sleepwalking

A behavioral disorder that results in walking or performing other complex behaviors while in a state of sleep.

Manifest Content

The remembered storyline of a dream, as distinct from its latent or hidden content, according to Freud.

Latent Content

The underlying meaning of a dream, which reflects unconscious drives and wishes, as per Freud's theory.

Information Processing Perspective

The idea that dreams help in the filing away of memories and linking new learning while sleeping.

REM Rebound

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

What are the theories of why we dream?

1) to satisfy our own wishes

2) to file away memories

3) to develop and preserve neural pathways

4) to make sense of neural state, to reflect cognitive development