1. Conciousness Flashcards
Define consciousness
The awareness of objects or events in the external world and of our own existence and internal mental processes at any given moment
What are the main characteristics of normal waking consciousness?
Content limitations, attention, controlled/automatic processes
Outline the continuum of conciousness
Normal waking consciousness-> -Focussed attention -Ordinary wakefulness Altered state of consciousness-> -Daydreaming -Meditation -Hypnosis -Sleep -Anaesthetised -Coma
Define change blindness
Failure to notice a large change that takes place in full view in a visual scene
Define change inattention
Failure to notice events or objects without a visual disruption
Outline types of attention
Selective attention
Divided attention
Change blindness
Change inattention
What are the psychological characteristics of consciousness?
Time orientation Levels of awareness Self control Emotional awareness Automatic and controlled processes Content limitations Perceptual and cognitive distortions Selective and divided attention
What is an EEG?
Electroencephalogram
Detects, amplifies and records electrical activity in the brain
Eg. Brainwaves
What is an EOG?
Electrooculargraph
Detects, amplifies and records electrical activity in the muscles of the eye
Eg. R.E.M. sleep
What is an EMG
Electromyograph
Detects, amplifies and records electrical activity in the muscles
Eg. Tension and relaxation of the muscles
What is an ECG?
Electrocardiograph
Detects, amplifies and records the electrical activity of the heart muscles
Eg. Heart rate
What is the Galvanic skin response?
Measuring sweat:
As the skin becomes moist, electrical activity increases
Define Gamma waves
/\/\/\/\/\/\/\/\/\/\/\/\/\/\/
Highest frequency
Lowest amplitude
Hyper alert
Fight/flight/fight
Define beta waves
/_/_/_/_/_/_/_/_/_/_
High frequency
Low amplitude
Awake and alert
Normal waking consciousness
Define alpha waves
_/-_/-_/-_/-_/-_/-\
Average frequency
Average amplitude
Relaxed wakefulness
Meditative/daydreaming
