Fundamentals of Cognition - PowerPoint

5 important questions on Fundamentals of Cognition - PowerPoint

How does the Baddeley and Hitch working memory model look?

  • Baddeley and Hitch
    • Central executive, mental workspace for complex tasks and control of behavior
      • Coordinates, controls, diversity, unity
      • Updating, Shifting, Inhibition
    • Visuospatial Sketchpad: maintain and manipulate visual information, spatial insight, mental rotation
    • Phonological Loop: speech sounds 2.5 sec (EN: 6.6 words, Fin: 5.8 words)

What is updating, inhibition and shifting

Updating
  • Pictures 1, black screen, picture 1 or 2 -> same or different? Black screen, new face -> same or different
Inhibition
  • Simon-effect (incongruent response-stimulus location)
  • Stroop Effect
  • Stop Signal
Shifting
  • Wisconsing Card Sorting Task
  • Longer reaction time, lower accuracy

What are .. Of Long-term memory?

Semantic (spijkerbroek) vs episodic (hoe een spijkerbroek wordt gemaakt in de woonkamer)
Explicit: conscious, (cued) recall, recognition
Implicit: unconscious, familiarity, procedural
Three stages:
  • Encoding
    • Existing schema's
    • Elaboration
    • Yerkes Dodson Law
  • Storage
    • Interference
    • Decay
  • Retrieval
    • Spontaneous recall (57%)
    • Cued recall (67%)
    • Recognition (83%)
  • Forgetting due to:
    • Insufficient encoding
    • Decay/interference in retrieval
    • Insufficient cues
    • Induced forgetting
    • Reconsolidation
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What are strategies for decision making?

Heuristics

  • Low effort, fast but sloppy
  • Bias
  • Improves with experience

Normative models
  • Best decision, accurate but slow
  • Algorithms: rules, operators

What is the role of emotion in decision making?


(1) People differ in emotional (body state) awareness
(2) Better awareness → better decision making (Iowa Gambling Task)

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