Sleeping and Waking

Question 1

What is Biorhythms?

Answer 1

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

Question 2

What is Zeitgeber?

Answer 2

A stimulus that helps to establish and maintain these rhythms

• light, physical activity, eating, temperature, sleep-related hormones
• free-running circadian rhythm

Question 3

What is Ultradian Rhythm?

Answer 3

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

Question 4

What is shift maladaptation syndrome?

Answer 4

It is the disturbed sleep for evening and night shift workers

Question 5

What are the consequences of shift maladaptation syndrome?

Answer 5

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

Question 6

What is Jet Lag?

Answer 6

Its the conflict between zeitgeber and internal clock

Question 7

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

Answer 7

Superchiasmatic Nucleus (SCN) of the hypothalamus

Question 8

What are the two pathways of the SCN?

Answer 8

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)

Question 9

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

Answer 9

Melatonin and cortisol

Question 10

List the 3 cellular basis of the circadian rhythms

Answer 10

per, tim, and clock proteins