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Chapter 11: Mental Workload, Stress and Individual Differences: Cognitive and Neuroergonomic Approaches Slide Template.

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Presentation on theme: "Chapter 11: Mental Workload, Stress and Individual Differences: Cognitive and Neuroergonomic Approaches Slide Template."— Presentation transcript:

1 Chapter 11: Mental Workload, Stress and Individual Differences: Cognitive and Neuroergonomic Approaches Slide Template

2 THE NEUROERGONOMIC APPROACH

3 MENTAL WORKLOAD

4

5 Workload Overload Relative/absolute workload Predictive models
Workload assessment

6 Workload Overload

7 Reserve Capacity Region
Relative predictions

8 Measures of Mental Workload and Reserve Capacity
Behavioral measures Secondary tasks Subjective measures Purpose of workload assessment

9 Neuroergonomics of Workload
Overview EEG Event-related potentials Ultrasound measures of cerebral blood flow Near infrared spectroscopy and cerebral oxygenation

10 Neuroergonomics of Workload
Heart-rate variability Pupil diameter Visual scanning, entropy, and the “nearest neighbor index” Costs and benefits of physiological measures of workload

11 Relationship between Workload Measures
Dissociation Effort and the number of tasks

12 Consequences of Workload
Adaptation

13 STRESS, PHYSIOLOGICAL AROUSAL, AND HUMAN PERFORMANCE

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15 The Yerkes Dodson Law

16 Arousal Theory Transactional and Cognitive Appraisal Theories of Stress Stress Effects on Performance

17 Stress Components Effects
Selective attention: Narrowing Selective attention :Distraction Working memory loss Preservation

18 Stress Components Effects
Strategic control Recruitment of more resources Remove the stressor Change the goals of the task Do nothing

19

20 Stress Remediation Environmental solutions Design solutions Training

21 INDIVIDUAL DIFFERENCES

22 Ability Differences in Multitasking
Differences in Working Memory Molecular Genetics and Individual Differences in Cognition Brain Computer Interfaces for Healthy and Disabled Individuals


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