PSYCH3 measuring sleep

Question 1

Consciousness

Answer 1

awareness of something either internal or external to yourself”

Question 1

Categories of consciousness

Answer 1

1. Normal waking consciousness (NWC)
2. Altered state of consciousness (ASC)

Question 2

1. Normal waking consciousness (NWC)

Answer 2

state of consciousness in which An individual is awake and aware

Question 3

2. Altered state of consciousness (ASC)

Answer 3

any state of consciousness that is significantly different from normal waking consciousness

Question 4

Sleep

Answer 4

regular and naturally occurring altered state of a consciousness involving a loss of awareness and disengagement with internal and external stimuli

Question 5

There are two categories of sleep:

Answer 5

Rapid Eye
Movement (REM)

Non-Rapid Eye
Movement (NREM).

Question 6

Electroencephalograph (EEG)

Answer 6

detects, amplifies and records the electrical activity of the brain.

Through electrodes that are placed on the surface of one’s scalp

Question 7

When we’re analysing the brainwave patterns
from an EEG…

Answer 7

we tend to look at the amplitude and frequency of the waves.

Question 8

By frequency -

Answer 8

number of waves per second.

Question 9

By amplitude –

Answer 9

the height of the wave (from trough to peak).

Question 10

In terms of sleep,

Answer 10

the lower the frequency and the higher the
amplitude = the deeper the sleep.

Question 11

Electro-oculargraph (EOG)

Answer 11

detects, amplifies and
records the electrical activity of the muscles around the eye.

Question 12

REM –
NREM –

Answer 12

high activity

No/little activity

Question 13

Electromyograph (EMG)

Answer 13

detects, amplifies and records the electrical activity of the muscles.

the deeper the level of
sleep, the more relaxed our muscles are =
less activity.

Question 14

sleep diary

Answer 14

‘log’ used to
self-record and self-report sleep and waking activities over period of time”

Question 15

sleep diaries can be useful by

Answer 15

providing subjective information on sleep – giving us info about one’s sleep that otherwise may be missed if we focused on
only what we can see.

Question 16

Video monitoring

Answer 16

When assessing one’s sleep, place participants or
patients in a sleep laboratory.

participants asked to
engage in their normal activities before bed and go to sleep the time they normally would.

Question 17

One advantage of using video monitoring is

Answer 17

being able to re-watch the footage recorded.

Question 18

disadvantages include of sleep monitoring:

Answer 18

1. The artificiality of the sleep lab – it’s not the same as being in your room.
2. being connected to an EEG machine whilst you sleep

3.diff to interpret