3.2.3 Stagnant Hypoxia -- 3.2.4 Histotoxic Hypoxia -- 3.2.5 Performance Effects of Hypoxia -- 3.2.6 Blocked Eustachian Tube -- 3.2.7 Sinus Block -- 3.2.8 Gastric Distress -- 3.2.9 Dental Pain -- 3.2.10 Decompression Sickness -- 3.3 Fatigue -- 3.3.1 What Is Fatigue? -- 3.3.2 Why Is Fatigue Important? -- 3.3.3 Circadian Rhythms -- 3.3.4 Thermal Stress -- 3.4 Nutrition -- 3.5 Chemical Agents -- 3.5.1 Alcohol -- 3.5.2 Cannabis -- 3.5.3 Tobacco -- 3.5.4 Over-the-Counter and Prescription Drugs -- 3.5.5 Caffeine -- 3.6 Sensory Illusions -- 3.6.1 Spatial Disorientation -- 3.6.2 Somatogyral Illusions -- 3.6.2.1 Leans -- 3.6.2.2 Graveyard Spiral -- 3.6.2.3 Graveyard Spin -- 3.6.2.4 Coriolis Illusion -- 3.6.3 Somatogravic Illusions -- 3.6.3.1 Inversion Illusion -- 3.6.3.2 Head-Up Illusion -- 3.6.3.3 Head-Down Illusion -- 3.6.4 Vision and Visual Illusions -- 3.6.4.1 Up-Sloping Runway -- 3.6.4.2 Down-Sloping Runway -- 3.6.4.3 Up-Sloping Terrain -- 3.6.4.4 Down-Sloping Terrain -- 3.6.4.5 Narrow or Long Runway -- 3.6.4.6 Wide Runway -- 3.6.4.7 Black-Hole Approach Illusion -- 3.6.4.8 Autokinetic Illusion -- 3.6.4.9 False Visual Reference Illusion -- 3.6.4.10 Vection Illusion -- 3.7 Summary -- 3.8 Outside Activities -- 3.8.1 Hypoxia -- 3.8.2 Drug and Fatigue Effects -- Recommended Readings -- References -- Chapter 4: Abilities and Personality Traits -- 4.1 Introduction -- 4.2 Individual Differences -- 4.3 Abilities -- 4.3.1 Intelligence -- 4.3.1.1 Models of Intelligence -- 4.3.1.2 Other Viewpoints on Intelligence -- 4.3.2 Abilities Relevant to Aviation -- 4.3.3 Ability Requirements for Remotely Piloted Vehicle Operators -- 4.3.4 Summary -- 4.4 Personality Traits -- 4.4.1 Searching for Structure in Personality -- 4.4.2 Five-Factor Model -- 4.4.3 Personality Traits and Aircrew Performance -- 4.5 Summary -- 4.6 Outside Activities