Consciousness Flashcards

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1
Q

Accuracy

A

the precision with which a person completes a task p. 269

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2
Q

Alpha waves

A

medium sized brain waves with medium-high frequency and low-medium amplitude, indicating an alert but relaxed state p. 276

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3
Q

Altered states of consciousness (ASC)

A

a state of consciousness that is characterised by different levels of awareness as compared to normal waking consciousness p. 254

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4
Q

Amplified emotional response

A

disproportionate emotional reactions in response to an event or stimuli p. 319

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5
Q

Amplitude

A

a measurement indicating the intensity of an electric current in the brain, visually represented as the height of the wave peaks p. 275

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6
Q

Automatic processes

A

(also known as automatic tasks) tasks that require low levels of mental processing p. 259

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7
Q

Beta waves

A

fast, small brain waves with high frequency and low amplitude, indicating high levels of alertness p. 276

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8
Q

Blood alcohol concentration (BAC)

A

a measure of how much alcohol is in a person?s blood p. 325

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9
Q

Brain wave

A

a pattern of electrical current in the brain caused by neurons communicating, visually represented as a wave p. 274

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10
Q

Bright light therapy

A

a method used to adjust a person?s circadian rhythm through exposure to a high-intensity light source p. 345

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11
Q

Circadian phase disorder

A

a sleep disorder which interferes with the normal regulation of the circadian rhythm of sleep, leading to a change in the sleep-wake cycle p. 331

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12
Q

Circadian rhythm

A

changes to physiological function or activity that occur as part of a cycle that lasts around 24 hours p. 292

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13
Q

Cognition

A

the mental processes an individual performs in order to understand and process information p. 320, 326

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14
Q

Cognitive tasks

A

a form of assessment that measures some aspect of a person?s thought processes p. 269

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15
Q

Concentration

A

the ability to focus on certain stimuli or tasks p. 326

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16
Q

Consciousness

A

the awareness of internal and external stimuli p. 253

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17
Q

Consciousness continuum

A

a progression of states of consciousness ranging from least aware to most aware

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18
Q

Content limitations

A

a restraint placed on the thoughts that are occurring in a person?s mind p. 259

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19
Q

Controlled processes

A

(also known as controlled tasks) tasks that require high levels of mental processing p. 259

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20
Q

Delta waves

A

slow and large brain waves with low frequency and high amplitude, indicating very low levels of alertness p. 276

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21
Q

Depressants

A

a class of drugs that reduce central nervous system and body activity, reducing levels of alertness compared to NWC p. 277

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22
Q

Dyssomnias

A

sleep disorders characterised by consistent problems with falling asleep, staying asleep, or timing sleep p. 337

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23
Q

Electro-oculograph (EOG)

A

a device that detects, amplifies and records the electrical activity of the muscles surrounding the eyes p. 268

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24
Q

Electroencephalograph (EEG)

A

a device that detects, amplifies and records the electrical activity of the brain p. 267

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25
Q

Electromyograph (EMG)

A

a device that detects, amplifies and records the electrical activity of the body?s muscles

26
Q

Emotional awareness

A

the understanding and control people have over their feelings, as well as the ability to accurately perceive the emotions of others p. 261

27
Q

Evolutionary theory of sleep

A

(also known as Circadian theory of sleep) a theory that proposes that sleep is adaptive and has evolved to meet specific survival needs p. 298

28
Q

Frequency

A

a measurement indicating how many brain waves there are per second, visually represented as how close the waves appear together p. 275

29
Q

Induced altered states of consciousness

A

a type of altered state of consciousness that occurs due to a purposeful action or aid p. 254

30
Q

Jet lag

A

the mismatch between an individual?s internal circadian rhythm and the time of their environment, which occurs after rapidly travelling across time zones p. 333

31
Q

Levels of awareness

A

(also known as awareness) the degree to which an individual is conscious of stimuli p. 258

32
Q

Mood

A

the emotional state a person is in at a given time p. 326

33
Q

Naturally occurring altered states of consciousness

A

a type of altered state of consciousness that occurs without intervention p. 254

34
Q

Normal waking consciousness (NWC)

A

the state of being awake and aware of internal and external stimuli p. 253

35
Q

NREM (Non rapid eye movement) sleep

A

a type of sleep that is subdivided into four different stages, where the sleeper does not experience any rapid eye movement p. 294

36
Q

Parasomnias

A

a type of sleep disorder which involves engaging in abnormal activities or tasks while sleeping p. 338

37
Q

Partial sleep deprivation

A

when an individual sleeps for some duration within a 24 hour period, but the sleep duration is too short, or the quality of sleep is poor p. 319

38
Q

Perceptual and cognitive distortions

A

atypical (abnormal) variation in the way an individual interprets and processes stimuli p. 260

39
Q

Psychological construct

A

an agreed upon description and understanding of psychological phenomena which cannot be overtly measured or observed p. 252

40
Q

REM (Rapid eye movement) sleep

A

a type of sleep where the sleeper experiences rapid eye movement beneath closed eyelids p. 293

41
Q

Restoration theory of sleep

A

a theory that proposes that sleep replenishes psychological and physiological function p. 299

42
Q

Self-control

A

A person?s ability to restrain or hold composure over their thoughts, feelings and actions p. 261

43
Q

Shift work

A

an occupation which involves working at unusual hours, such as working overnight p. 332

44
Q

Sleep

A

a regular and naturally-occurring altered state of consciousness that involves disengagement with internal and external stimuli p. 292

45
Q

Sleep cycle

A

a proportion of a sleep episode in which the sleeper progresses through stages of REM and NREM sleep, lasting on average 90 minutes for humans p. 293

46
Q

Sleep deprivation

A

inadequate duration or poor quality of sleep p. 318

47
Q

Sleep diaries

A

a record from an individual containing qualitative descriptions of the amount and nature of their sleep over a certain period of time p. 269

48
Q

Sleep disorder

A

a consistent presence of a particular sleep disturbance which has profound impacts on an individual?s sleep, leading to persistent effects on day to day functioning p. 337

49
Q

Sleep episode

A

the full duration of time spent asleep p. 293

50
Q

Sleep-onset insomnia

A

(also known as insomnia) a type of dyssomnia characterised by consistent difficulty initiating sleep p. 338

51
Q

Sleep-wake cycle

A

a daily cycle that is made up of time spent sleeping and time being awake and alert p. 292

52
Q

Sleep-wake cycle shift in adolescence

A

a type of circadian phase disorder where adolescents experience delayed sleep-onset and hence delayed wake p. 332

53
Q

Sleep-walking

A

(also known as somnambulism) a type of parasomnia which involves standing up and undertaking actions or tasks while asleep p. 338

54
Q

Speed

A

the rate at which a person responds to a stimulus in a task p. 269

55
Q

Stimulants

A

a class of drugs that increase central nervous system and body activity, increasing levels of alertness compared to NWC p. 276

56
Q

Theta waves

A

medium sized brain waves with low-medium frequency and medium-high amplitude, indicating low levels of alertness p. 276

57
Q

Time orientation

A

the perception of how much or how little time has elapsed, and the ability to situate things in the past, present or future p. 261

58
Q

Total sleep deprivation

A

(also known as full sleep deprivation) when an individual has no sleep within a 24 hour period p. 318

59
Q

Ultradian rhythm

A

changes to physiological function or activity that arise as part of a cycle which occurs within 24 hours p. 293

60
Q

Video monitoring

A

a type of data collection involving video and sound recordings of an individual in their sleeping period p. 270

61
Q

Zeitgeber

A

a rhythmically occurring natural phenomenon which acts as a cue in the regulation of the body’s circadian rhythms.