All Flashcards
What is the evolutionary perspective on sleep?
Sleep serves functions like protection, restoration, memory consolidation, creative thinking, and growth.
What is the function of NREM-3 sleep?
Deep sleep characterized by delta waves, growth hormone release, and reduced heart rate/respiration.
What is paradoxical sleep?
Another name for REM sleep, characterized by high brain activity and muscle paralysis.
What is Freud's theory of dreaming?
Dreams have manifest (actual storyline) and latent (underlying symbolic) content.
Describe the memory filing theory of dreaming.
Dreams help us process and store memories.
Describe the neural pathway development theory of dreaming.
Dreams help develop and preserve neural pathways.
Describe the neural static theory of dreaming.
Dreams are a way to make sense of random neural activity.
Describe the cognitive development theory of dreaming.
Dreams reflect our cognitive development.
What is the hypnagogic state?
The transition from relaxed wakefulness to sleep (NREM-1).
What are K-complexes?
Brain wave patterns that occur during NREM-2 sleep.
What is plasticity?
The brain's ability to change and adapt throughout life.
What is jet lag?
Disruption of the circadian rhythm when traveling across time zones.
What are the stages of the sleep cycle?
NREM-1, NREM-2, NREM-3, NREM-2, NREM-1, REM, then repeat.
Compare night terrors and nightmares.
Night terrors occur in NREM-3, involve incoherent chatter/movement, and are common in children. Nightmares occur in REM sleep and are vivid dreams.
Compare insomnia and narcolepsy.
Insomnia is difficulty falling/staying asleep. Narcolepsy involves sudden, uncontrollable sleep attacks.
Compare manifest and latent content in Freud's dream theory.
Manifest content is the dream's actual storyline, while latent content is the underlying, symbolic meaning.