States of consciousness
A condition of awareness that is distinctly different from normal waking consciousness in terms of level of awareness and experience.
What is an altered state of consciousness?
These waves have high-frequency and low amplitude.
What are beta waves?
These drugs increase activity within the CNS.
What are stimulants?
A naturally occurring suspension of consciousness.
What is sleep?
5
How many stages of sleep are there?
In an ASC, people report having 'disturbing dreams' about things they normally would not think about in NWC.
What are content limitations?
Sleep spindles and k-complexes occur in this stage of sleep.
What is stage 2 NREM sleep?
These drugs decrease alertness and makes the person very relaxed and calm.
What are depressants?
The sleep-wake cycle is a type of this rhythm.
What is an example of a biological rhythm?
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What is an ultradian rhythm?
We are likely to be dreaming in this stage.
In NWC, we can control the emotions we express.
What is emotional awareness?
This refers to the number of brain waves per second.
What is frequency?
These drugs make a person's neural activity of a more inhibitory nature.
What are depressants?
This is influenced by the amount of light we are exposed to.
What is a circadian rhythm?
Our muscles start relaxing in this stage of sleep.
What is stage 1 NREM?
In NWC, we have a clear sense of this, but in an ASC, this is often distorted.
What is time orientation?
These brain waves are dominant in stage 4 NREM sleep.
What are delta waves?
These tend to fluctuate throughout the day and repeat themselves.
What is an ultradian rhythm?
This stage is characterised by low arousal ability.
What is stage 4 NREM sleep?
In NWC, a person does not need to use selective attention to do this.
What is an automatic response?
These brain waves occur when we are drowsy.
What are alpha waves?
Caffeine, nicotine and amphetamines
What are examples of stimulants?
This part of the brain signals the pineal gland to release melatonin in the brain.
What is the suprachiasmatic nucleas (SCN)?
Mental lag we experience when awoken suddenly.
What is sleep inertia?