12. Human Information Processing (1 - 4) Flashcards
Information Processing
Information processing involves a number of discrete steps that can broadly be listed as;
- ____ : hold
- ____ : process or not
- ____ : move memory
- ____ : use the info
- ____ : what to do next
- ____ : putting into action
- ____ : use the memory again
- HOLD INFO IN SENSORY STORE : hold
- DECIDE IF WORTH PROCESSING OR NOT : process or not
- TRANSFER TO TEMPORARY MEMORY STORE : move memory
- WORK ON INFORMATION : use the info
- DECIDE COURSE OF ACTION : what to do next
- IMPLEMENT ACTION : putting into action
- STORE IN LONG TERM MEMORY : use the memory again
356
Attention and Vigilance
Focusing all resources on one set of events to the exclusion of almost all others is known as what
ATTENTION
357
Attention and Vigilance
A usually conscious and intentional activity when focusing on a task often at the expense of other activities
ATTENTION
357
Attention and Vigilance
Attention as an activity is said to be what 2 things
CONSCIOUS AND INTENTIONAL
357
Attention and Vigilance
What is meant by the cocktail party effect
SUBCONSCIOUSLY ON LOOKOUT FOR SIGNIFICANT STIMULI
An example is in a crowded room when you are talking to someone and someone else mentions your name, you may quickly tune into the other conversation
357
Attention and Vigilance
Subconsciously being on the lookout for significant stimuli is a description of what effect
COCKTAIL PARTY EFFECT
357
Attention and Vigilance
Attention involves what 3 steps
1. ____ : from stimulus
2. ____ : to stimulus
3. ____ : new stimulus
- DISENGAGE ATTENTION from a stimulus
- SHIFT ATTENTION to new stimulus
- ENGAGE ATTENTION on the new stimulus
357
Attention and Vigilance
Attention may be what 2 types
- SELECTIVE (focused)
- DIVIDED
358
Attention and Vigilance
What is meant by selective attention
PROCESSING INFORMATION FROM ONE INPUT TO EXCLUSION (almost) OF ALL OTHERS
358
Attention and Vigilance
What is meant by divided attention
PARALLEL INFORMATION PROCESSING
or;
RAPID ATTENTION SWITCHING
358
Attention and Vigilance
What is a good example of using divided attention in the cockpit
FLYING ON INSTRUMENTS
no one instrument gets all the attention
358
Attention and Vigilance
What sort of stimulus will get your immediate attention
SALIENT / INTENSE
(or highly interesting)
359
Attention and Vigilance
What sort of stimulus does the brain favor under heavy workloads
VISUAL
359
Attention and Vigilance
Humans appear to be hard wired to pay close attention to what sort of stimuli
NEGATIVE or THREATENING
359
Attention and Vigilance
When a stimulus is very intense, a human may devote all their capacity to attending to it. This is known as what
TUNNELLING OF ATTENTION
359
Attention and Vigilance
What is a threat of tunnelling of attention
BREAKDOWN IN TASKS
(i.e. communication)
359
Attention and Vigilance
A state of sustained attention over time is a description of what
VIGILANCE
362
Attention and Vigilance
The definition of vigilance
SUSTAINED ATTENTION OVER TIME
362
Attention and Vigilance
Vigilance is often associated with activity that is said to be a what sort of activity
WATCH KEEPING ACTIVITY
362
Attention and Vigilance
What are the 2 forms of vigilance
- HYPER VIGILANCE
- HYPO VIGILANCE
363/364
Attention and Vigilance
Vigilance is close related to what sort of arousal
PHYSIOLOGICAL
363
Attention and Vigilance
A high level of arrousal giving rise to a very high state of vigilance is what sort of vigilance
HYPERVIGILANCE
363
Attention and Vigilance
A low state of physiological arousal gives rise to very low levels of vigilance is what sort of vigilance
HYPOVIGILANCE
364
Attention and Vigilance
What are some of the common reasons behind hypovigilance
- ____ : boring
- ____ : tired
- ____ : not scary
- ____ : over and over
- ____ : not much to do
- MENTAL FATIGUE
- SLEEP DEPRIVATION
- PERCEIVED LOW LEVEL OF THREAT
- BORING & REPETATIVE TASKS
- LOW WORKLOAD / NO TASKS
364
Attention and Vigilance
What is a perfect example specific to aviation of when hypovigilance may occur
CRUISE PHASE of LONG HAUL FLIGHT in DEAD OF NIGHT at WOCL
Window of Circadian Low
365
Attention and Vigilance
What are 8 typical symptoms of reduced vigilance;
- ____ : dropped the ball
- ____ : I didnt hear it
- ____ : snoozy…..
- ____ : closing eyes
- ____ : not all there
- ____ : cannot move
- ____ : 1 to 5 seconds
- ____ : hearing things
- SLOW REACTION TIMES : dropped the ball
- FAILURE TO NOTICE STIMULI : I didnt hear it
- FREQUENT YAWNING : snoozy…..
- SLOWER BLINK RATE : closing eyes
- CONGNITIVE ABSCENCE : not all there
- POOR MOTOR CONTROL : cannot move
- MICRO-SLEEPS : 1 to 5 seconds
- DELUSIONS : hearing things
366
Attention and Vigilance
3 things a pilot can do in the cockpit to help starve off hypovigilance
- MENTAL CALCULATIONS
- MAINTAIN RUNNING PLAN
- READ AFM
Aircraft Flight Manual
366
Memory
Without memory, it would be impossible to do what
DEVELOP STANDARD RESPONSES
standard responses developed based on memory of certain stimuli
367