Term
| How long is the internal clock roughly? |
|
Definition
|
|
Term
| What are the 2 things the Endogenous Circadian Rhythms regulate? |
|
Definition
Regulates sleep/wake cycle Regulates eating, drinking, body temp, secretion of hormones, volume of urination |
|
|
Term
| What are some attributes of circaidian rhythms? |
|
Definition
§ Remain consistent despite lack of environmental cues indicating time of day§ Differs between
people§ Function of age |
|
|
Term
| In what type of light do subjects have trouble sleeping and their circadian rhythms go faster? |
|
Definition
|
|
Term
| In what type of light do subjects have trouble waking and their circadian rhythms go slower? |
|
Definition
|
|
Term
| Most people can adjust their day by how many hour(s)? |
|
Definition
1hours but no more = 23-25 hour days |
|
|
Term
what is the SCN? Where is it located? What does it do? |
|
Definition
Supra-chiasmatic Nucleus part of the thalamus/located above the optic chiasm controls rhytm of sleep and temperature |
|
|
Term
| What ar ethe two proteins that affect the SCN? |
|
Definition
|
|
Term
What can be taken as a sleep aid? Where is it secreted |
|
Definition
|
|
Term
| What are stimuli called that reset the circadian rhythms? |
|
Definition
light exercise noise meals temperature |
|
|
Term
|
Definition
| the mismatch of internal clock and external time |
|
|
Term
what is traveling west called? |
|
Definition
|
|
Term
| What is traveling east called? |
|
Definition
|
|
Term
| what is the pathway that allows light to reset the internal clock? |
|
Definition
|
|
Term
What stage are sleep spindles found? k complexes? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| How many stages of sleep are there? |
|
Definition
|
|
Term
What is responsibel for arousal while asleep? |
|
Definition
|
|
Term
| What helps stimulate people to become awake and where is it located? |
|
Definition
| Pontomesencephalon, midbrain |
|
|
Term
| What is another part of the brain that is responsible for awakeness and found in the pons? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| what stimulates acteylcholine to provide wakeullness? |
|
Definition
|
|
Term
Accumultion of what throughout the day causes sleepiness? (blocked by caffeine) |
|
Definition
|
|
Term
| PGO waves are found in what level of sleep? |
|
Definition
|
|
Term
|
Definition
| serotonin, norephinephrine |
|
|
Term
| Narcolepsy had what type of hallucinations involved? |
|
Definition
|
|
Term
| What is perioiodic limb movement disoder? |
|
Definition
| you move a limb every 20-30 seconds |
|
|
Term
|
Definition
| to re-energize the body and brain |
|
|
Term
| what is the Activation-synthesis hypothesis? |
|
Definition
o Dreams begin with spontaneous activity in pons which activates many parts of cortex o Cortex synthesizes story from pattern of activatio n Normal sensory information cannot compete with self-generated stimulation and hallucinations result |
|
|
Term
| what is the Clinico-Anatomical hypothesis? |
|
Definition
o Less emphasis on pons, PGO waves, or even REM sleep o Dreams similar to thinking, just under unusual circumstances o Arousing stimuli generated within brain combined with recent memories and sensory information |
|
|
Term
| Dreams are associtaed with what? |
|
Definition
o White matter of frontal lobes o Occiptotemporoparietal cortex |
|
|
