Page 13 - Module 9 Look Inside

Table of Content

Human performance and limitations __________________________________________ 7

Vision ___________________________________________________________________ 9
Components of the eye ____________________________________________________ 9
Common eye defects _____________________________________________________ 11
Blind spot ______________________________________________________________ 14
Factors affecting clarity of sight _____________________________________________ 16
The nature of the object being viewed ________________________________________ 17
Colour vision ___________________________________________________________ 18
Vision and the aircraft maintenance engineer __________________________________ 19
UK CAA guidance _______________________________________________________ 19

Hearing _________________________________________________________________ 21
Components of the ear ___________________________________________________ 21
Performance and limitations of the ear _______________________________________ 22
Impact of noise on performance ____________________________________________ 22
Hearing impairment ______________________________________________________ 22
High and low tone deafness________________________________________________ 26
Hearing protection _______________________________________________________ 26
Presbycusis ____________________________________________________________ 26
UK CAA guidance _______________________________________________________ 26

Information processing____________________________________________________ 29
An information processing model____________________________________________ 29
Sensory receptors and sensory stores________________________________________ 29
Cognition ______________________________________________________________ 30

Attention and perception __________________________________________________ 33
Attention_______________________________________________________________ 33
Perception _____________________________________________________________ 33
Decision making ________________________________________________________ 35
Confirmation bias ________________________________________________________ 35
Perception illusions ______________________________________________________ 36
Attention and perception shortcomings _______________________________________ 37

Memory_________________________________________________________________ 41
Ultra-short-term memory __________________________________________________ 41
Short-term memory ______________________________________________________ 41
Long-term memory_______________________________________________________ 42
Motor programmes_______________________________________________________ 42
Situation awareness______________________________________________________ 44
Information processing limitations ___________________________________________ 44

Claustrophobia, physical access and other phobias ____________________________ 47
Physical access and claustrophobia _________________________________________ 47
Fear of heights__________________________________________________________ 48
Other phobias __________________________________________________________ 48

Total Training Support Ltd 2-5 Issue 2 – January 2016
© Copyright 2016 Module 9.2 Human Performance and

Limitation