Sleep

Question 1

Ultradian Rhythm

Answer 1

Less than a day

Question 2

Infradian Rhythm

Answer 2

Greater than a day

Question 3

Circannual Rhythm

Answer 3

About a year

Question 4

Free-running Rhythm

Answer 4

Rhythm generated inside body without external cues

Question 5

Zeitgeber

Answer 5

Time giver

Question 6

Circadian Rhythm is influenced by the…

Answer 6

Suprachiasmatic Nucleus

Question 7

Evidence Suprachiasmatic Nucleus is biological clock

Answer 7

1) lesions
2) metabolic activity higher in light
3) single cell recording higher in light
4) transplants repair rhythm that has been damaged

Question 8

These are important proteins in controlling circadian rhythm and expressing genes

Answer 8

PER and CRY

Question 9

Slave Oscillators

Answer 9

Control functions that exhibit circadian activity

Question 10

These are used to recognize sleep

Answer 10

1) electroencephalogram (EEG)
2) electrooculogram (EOG)
3) electromyogram (EMG)

Question 11

Beta waves

Answer 11

Excited

Question 12

Alpha waves

Answer 12

Relaxed

Question 13

Delta waves

Answer 13

Deep sleep

Question 14

Atonia

Answer 14

Inhibitory output from brain to inhibit spinal motor neurons to cease movement

Question 15

Why do we sleep?

Answer 15

1) energy conservation
2) restorative processes
3) stores memory

Question 16

Basic Rest Activity Cycle (BRAC)

Answer 16

Composed of 90 minute cycles

Question 17

2 States of Waking

Answer 17

1) cholinergic ➡️ awake and still

2) serotonergic ➡️ awake and moving

Question 18

Circadian Rhythm

Answer 18

Characterized on basis of time measure in periods of about 24 hours and on basis of magnitude of rhythmic effect measured by amplitude