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6. Cognition.

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Presentation on theme: "6. Cognition."— Presentation transcript:

1 6. Cognition

2 INFORMATION PROCESSING MODELS

3

4 Selective attention

5 Change blindness Inattentional blindness

6 perception

7 Three Perceptual Processes Human Factors Guidelines
Maximize bottom-up processing Maximize automaticity and unitization Maximize top-down processing when bottom-up processing may be poor, and when unitization may be missing

8 WORKING MEMORY

9 A Model of Working Memory
Limits of Working Memory Capacity Time Confusability and Similarity Attention and Similarity

10 HF Implications of WM Limits
Minimize working memory load Provide visual echoes Provide placeholders for sequential tasks Exploit chunking Minimize confusability Avoid unnecessary zeros in codes to be remembered Consider WM limits in instructions

11 LONG-TERM MEMORY

12 Basic Mechanisms Strength Associations WM and LTM Forgetting

13 Organization of Info in LTM
Semantic Network Schemas and Scripts Mental Models Cognitive Maps

14 LTM Implications for Design
Episodic Memory for Events Prospective Memory for Future Events

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16 SITUATION AWARENESS

17 Problem solving and troubleshooting

18 Planning and scheduling

19 Metacognition and effort

20 Attention and time-sharing

21 Mental Effort and Resource Demand

22 Structural Similarity

23 Confusion Task Management and Interruptions Addressing Time-Sharing Overload


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