Consciousness Flashcards
Insomnia
The inability to fall asleep or to remain asleep
What are some causes of insomnia? (6)
- 3.
4.
5.
6.
How does sleep deprivation affect us? (6 areas)
- Brain (depression)
- Immune system (viral infections)
- Fat cells (obesity)
- Joints (arthritis)
- Heart (high blood pressure)
- Muscles (slow reaction time)
For students, what effects does sleep deprivation do?
- conflict in personal relationships
- Better alertness and mood with later start to school day
How can sleep deprivation be improved?
Try to sleep a few more minutes! (15 minutes ish)
Biological clocks - DEFINITION
Natural timing device
What are some examples of things that are affected by our biological clocks? (4)
- sleeping/waking
- body temp.
- hormone actions
- dark and light
What are our daily clocks called?
CIRCADIAN RHYTHMS
How often does our rhythm restart?
every 24 hours
What are the stimuli that help reset our rhythm called? (ENVIRONMENTAL STIMULI)
ZEITBERGERS
Disrupted Rhythms - Jet Lag
Internal clock does NOT match external cues (Same is true for people who do shift work)
What are some things that are effected by the transition from night work to dayshift work? (3)
- Disrupts sleep cycles
- Mood affected
- Job performance affected
What can happen due to daylights savings time? - losing/gaining an hour of sleep
inability to concentrate, more car accidents
What is the area in the brain that light is detected?
Suprachiasmatic nucleus - SCN (found in the hypothalamus)
Where are the synapses of the axons from the SCN found?
PINEAL GLAND
