CONSCIOUSNESS DP 1-5 Flashcards
Consciousness
The awareness of our thoughts, feeling (internal) and our environment (external) at any moment in time
- hypothetical construct
- selective: we do not respond to everything (subjective)
- personal: unique and different for everyone
- continuous and changing: it goes without stopping and the contends blend into one another
Consciousness as a psychological construct
A psychological construct is a concept that is formed to describe specific patterns of activity
Consciousness cannot be observed directly and thus cannot be directly measured
Continuum of awareness
Focused / selective attention
ordinary wakefulness
-
daydreaming
meditation
hypnosis
sleep
anesthetized
coma
Normal waking consciousness (NWC)
States of consciousness associated with being awake and aware of internal and external environment
Altered state of consciousness (ASC)
Characteristics different from normal waking consciousness in terms of awareness of our internal and external environment
Physiological indicators
- HR
- Body temp
- eye movement
- muscle movement
- brain waves
Psychological indicators
ACCEPTS - A
- awareness
- content limitations
- cognitive distortions
- emotional awareness
- perception distortions
- time orientation
- self control
- attention
electroencephalograph (EEG)
- detects amplifies and records electrical activity of the brain (brainwaves)
- electrical activity is produced from communication of brain neurons
electromyograph (EMG)
- detects amplifies and records electrical activity of the muscle tone
- little to no activity of these muscles indicates low levels of awareness
Electrooculogram (EOG)
- detects amplifies and records electrical activity of the muscles around the eye
- the higher the level of muscular activity, the more aware we are (vice versa)
Measurement of speed and accuracy on cognitive tasks
Comparing speed and accuracy on cognitive tasks (while in NWC) can be used as an indicator of one’s level of consciousness.
- done together
Measurement of speed
- response or reaction time to a stimulus
- reaction time decreases when in ASC/sleep deprived
Measurement of accuracy
- number of correct/incorrect responses made by the individual
- number of errors increases when in ASC/sleep deprived
Sleep laboratory
ADV - can use many devices (EEG. EMG, EOG, HR monitor)
DIS - sleep can be disrupted due to an artificial environment
Sleep diaries
A daily log that can be used to record an individual’s sleep-wake pattern, usually over a period of time.
ADV - gives perspective of individuals experience, time effective, thoughts/feeling of individual are taken into acc
DIS - highly subjective, may be dishonest, lack of reliability
Video monitoring
Uses video cameras to observe and record physiological responses of an individual sleep behaviour.
ADV - individual is not disturbed, can be monitored at home
DIS - no internal data, results can be subjective (open to different interpretations), reviewing videos may be time-consuming