Sleeping and Waking Flashcards Preview

PY2101 > Sleeping and Waking > Flashcards

Flashcards in Sleeping and Waking Deck (10)
Loading flashcards...

What is Biorhythms?

Behaviors that occur at regular intervals in response to internal, biological clocks


What is Zeitgeber?

A stimulus that helps to establish and maintain these rhythms
- light, physical activity, eating, temperature, sleep-related hormones
-free-running circadian rhythm


What is Ultradian Rhythm?

A recurrent period or cycle repeated throughout a 24-hour day


What is shift maladaptation syndrome?

It is the disturbed sleep for evening and night shift workers


What are the consequences of shift maladaptation syndrome?

impacts on health, personality, mood, and interpersonal problems
In addition to higher accident rates


What is Jet Lag?

Its the conflict between zeitgeber and internal clock


Which area of the brain is responsible for out body's internal clock?

Superchiasmatic Nucleus (SCN) of the hypothalamus


What are the two pathways of the SCN?

1. Pituitary gland: the master gland that will control the rest of out behavior
2. Pineal Gland: produces melatonin (neurochemical that manages sleep and waking)


Which are the two neurotransmitters that are responsible for the biochemistry and the circadian rhythm?

Melatonin and cortisol


List the 3 cellular basis of the circadian rhythms

per, tim, and clock proteins