Search for notes by fellow students, in your own course and all over the country.

Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.

My Basket

You have nothing in your shopping cart yet.

Title: REM VS NREM
Description: Sleep types, 20 differences, more than enough for mbbs.

Document Preview

Extracts from the notes are below, to see the PDF you'll receive please use the links above


REM

NREM or SWS
1) Abbreviation for

Rapid Eye Movement

Non Rapid Eye Movement

2) Heart Rate
Irregular

Regular
3) Blood Pressure

Variable

Regular
4) Muscle twitching

Present

Absent
5) Originates in

Pontine reticular formation

Midline pontine and
medullary nuclei (raped
nuclei)

6) Sleep state
Not restful sleep

Restful sleep

7) Trunk Muscle Tone

Absent except diaphragm and
extraocular muscles ( bcoz
acetylcholine supply is used
to maintain muscle tone and
motor neuron activity is
inhibited)

Minimal (depressed)

8) Duration
Increases as night progresses

Decreases in length as night
progresses

9) Brain Oxygen Consumption
Increased
10)

Reduced
Ventilatory Response

Reduced

Normal
11)

Mental strain

Cause
Physical strain

12)

Neurotransmitter

Noradrenaline

Serotonin
13)

Light sleep

Sleep type
Deep sleep

14)

% in adults

20 – 25 %

75 – 80 %
15)

% in infants

50 %

50 %
16)

Waves of Brain

Beta waves

Alpha, theta, delta waves
17)

Dreams

Present (common)
18)
Recollection possible
19)

Absent (rare)
Dream memory
Recollection not possible

Body temperature

Fluctuating
20)
Increased

Stable
Metabolism
Decreased


Title: REM VS NREM
Description: Sleep types, 20 differences, more than enough for mbbs.