BLOCK 1 part 2 Flashcards
Focused Attention
Attention is directed to a single or few sources. (Problem: distraction, loss of situation awareness)
• Distraction management: awareness of distractions and their impact, separate/ decrease distraction influences.
Divided Attention
Performing two or more tasks at the same time.(ex: maneuvering while talking on the radio)
• Decrease workload. (reduce difficulty levels of the tasks.,well-learned manual(motor) tasks are better
Sustained Attention
monitoring your surroundings for abnormalities. Sustained attention is difficult to maintain. (within 20-30 minutes: reduced speed and accuracy of responses to abnormalities.
• Keep operators alert and motivated:- Work cycles, changing tasks, and environment control are important. /Make signals easier to detect-louder, brighter.
Perception
the ability to gather and interpret sensory information
Sensory Memory
Temporary storage in each sensory channel. (vision, hearing, etc)
Short-Term Memory-
limited capacity, short duration (capacity of 5 to 9 items)
Long-Term memory
- retains information and skills for long periods. Engrams are formed in long term memory.
Engrams
Repeated stimulation prompts nerve pathway changes.
Semantic
has meaning behind the information.