Human Factors Flashcards
HF- What is bottom up Processing?
Bottom up processing is the element of processing which directly depend on external stimuli.
HF-What is visual constancy?
Visual constancy is the process of recognising familiar objects even in unfamiliar conditions.
HF-What is expectancy?
Expectancy is a predisposition to perceive particular features of a stimulus.
HF-What is Gestalt’s Law.
The law by which principles are organised and perceived.
HF-Working or short term memory lasts for and stores?
Lasts for 15-30 seconds and stores 7 bits of information
HF-Echoic stores what information for how long
Stores sound information for about 8 seconds
HF- Procedural Memory stores
Information about motor skills, is also known as motor memory
HF - Episodic memory is for and is affected by?
Episodic memory stores information about past events and can be unreliable. Amnesia usually affects only this memory
HF - Semantic memory stores?
Semantic memory stores general knowledge, e.g. the meaning of words, the rules of grammar and tend to be accurate and long lasting
HF-The sensory Memory makes up? And how long for?
Iconic memory and echoic memory stores 2-3 seconds.
HF-Iconic memory is for and stores for about?
Iconic memory stores visual information for about half a second
HF- What is top-down processing?
Top-down processing uses information learned from previous experience to impose elements of a mental model on the sensory information received.
HF-WHAT is Anderson’s model?
The process where by a person acquires skill in the following three processes Cognitive, Associative, Autonomous
HF-Long term memory is made up of, stores how much and lasts for how long?
Semantic, Episodic and Procedural, stores unlimited information indefinitely
HF - How much information come through visual sensors?
70% of information enters through visual channels
