Health Psychology 122 - Sleep & Motivation (Lectures 9&10)
Terms
undefined, object
copy deck
- Sleep Hygiene
- What patients can do to eliminate sleep interfering factors and promote better sleep
- When does dreaming occur?
- REM
- What brain structures are involved in sleep?
- Pons, Medulla, Hypothalamus, Thalamus & limbic system (hippocampus, amygdala and hypothalamus)
- neurotransmitters for sleep
-
Acetylcholine and seratonin
also GABA, dopamine and NE - Circadian rhythms
- 24 hour biological cycles
- Complete sleep deprivation
- 3-4 days
- Partial Deprivation or sleep restriction
-
Impaired attention, reaction time, coordination and decision making
(caused Chernobyl) - Selective deprivation
- REM and slow wave sleep rebound effect
- What are the functions of sleep?
-
-Memory consolidation
-Energy conservation
-Preservation from predators
-Restore bodily functions - Insomnia
- difficulty falling or staying asleep
- Narcolepsy
- Falling asleep uncontrollably
- Sleep Apnea
- Reflexive gasping for air that awakens
- Nightmares
- Anxiety arousing dreams - REM
- Night Terrors
- Intense arousal and panic - NREM
- Somnambulism
- Sleepwalking
- Alert/Awake
-
Irregular and fast
Beta waves - Stage 1 (NREM)
-
Slow eye movements
Drop Blood pressure
muscles Relax
Slow Theta waves 3-7 cps - Drowsy
-
transition to sleep
alpha waves
8-12 cps - Stage 2 (NREM)
-
Sleep Deepens
Large waves interrupted by low- amp sleep spindles and slow, high-amp k-complexes
Alpha waves disapppear
12-14 cps - REM sleep
-
Darting eye movements
Pulse and Blood Pressure inc
Dreaming occurs
Sawtooth waves (Beta waves resembling that of an awake person)
Lasts 10 mins
- REM Stage 3& 4
-
Stage 3 LARGE delta waves
When Delta waves are >50% brain activity you have entered stage 4 sleep
Relaxed muscles
Low Body temp, blood pressure & heart rate
Restorative segment
1/2-2cps
[can have NIGHTTERRORS]
- cognitive view of dreaming
- Dreams are daily issues of the dreamer
- Biological view of dreaming
- attempt of the cortex to interpret random neural firing of the brain during sleep
- Psychodynamic view of dreaming
- Dreams represent a window into the unconscious where latent content (meaning) can be inferred from manifest content (the actual dream)
- Dreams
- Mental experiences during sleep
- Motivation
- The process of starting, directing and maintaining physical and psychological activities
- incentives
- external stimuli that motivate behavior but arent necessarily directly related to biological needs
- Social learning theory
- The probablility that you will engage in a behavior is determined by your expectation of attaining a goal that follows and by the personal value of that goal