Human Performance - Human information and Processing Flashcards
What is Vigilance?
Extent of readiness to detect a stimulus that is imperative to safety
What is Attention?
Ability to focus and maintain interest in a given task while avoiding distractions
Types of attention include…
Divided attention
Selective attention
What is divided/selective attention?
Selective attention is the ability to pick up relevant information unintentionally
What is Hypo Vigilance?
State of reduced sensory sensitivity and response
A failure to maintain attention over a long period of time
Main causes of Hypo Vigilance…
Habituation
Repetition
Automation
Workload reduction
Demotivation
What is memory?
A process of acquisition, processing and storing of information
Memory : Sensory Store
Sensory memory - valid for short period of time
Iconic Memory - (0.5-1sec)
Echoic Memory - (2-8secs)
How long does short term memory last?
Lasts 10 - 30 secs
Max unrelated items help = 5+/- 2
Highly sensitive to interruption
Long Term Memory
Long Term Memory limitations
Experience
Repetition
Suggestion
Desires
Expectations
Information/Memory flow
Learning - Classical Conditioning
A certain stimulus produces a certain response/reaction
Learning - operant Conditioning
Based on consequences - trial/error technique
Cognitive Learning
Acquisition of knowledge and skill by mental or cognitive processes
E.g. creating mental representations of physical objects and events
Listening, watching, touching, reading and experiencing