The Stages Of Consiousness

Question 1

What does an EEG do

Answer 1

Records amplitude and frequency

Question 2

What are the different states of consciousness

Answer 2

1. Beta
   Alert and working (high frequency, low amplitude)
2. Alpha
   Relaxed and reflecting (high frequency, high amplitude)
3. Theta
   Drowsy and ideating
4. Delta
   Sleeping, dreaming

Question 3

Heartbeat

Answer 3

When we fall asleep our heart rate slows

• We can consciously control our heart rate by controlling our breathing
• heart rate can be raised with the use of stimulants that lead to altered states of consciousness

Question 4

Body temperature

Answer 4

Body temperature changes with our states of consciousness, for example before we fall asleep our body temperature drops a few degrees
Our lowest temperature occurs around 3am - 4am

Question 5

Galvanic skin response

Answer 5

Measured by attaching electrodes to hair free parts of the body. If we sweat and our skin is wet an electrical current passes more easily then if the skin was dry. Sweating occurs when we are aroused, either anxious or fearful or excited.