Decision Making

• What is pattern recognition defined as?


  The act of taking in raw data
• How do humans excel in pattern recognition?

  They take action based on pattern categories
• What is the neural basis of pattern recognition related to?

  Structure and function of the visual system
• What enables humans to adapt to their environment?

  A learnt element in pattern recognition
• What factors affect image perception?

  • Experience
  • Ambient conditions
  • Noise
  • Contrast
  • Image quality
  • Lighting
  • Search
  • Distractors
• What is noise in image quality?

  Loss of image quality at capture
• What aspect of image quality is affected by noise?

  Resolution
• Can we always manipulate density and contrast on a workstation?

  No
• What environmental factors can affect image perception?

  Displays, ambient conditions, subject alertness
• What is a search technique in image reporting?

  A method to minimize distractions
• What is confirmatory bias?

  Selective bias confirming one's beliefs
• What is satisfaction of search bias?

  Ceasing scrutiny after finding pathology
• What are the reasons for group decision-making being risky?

  • Individual thoughts influence discussion
  • Persuasive individuals sway opinions
  • Group tensions may coerce opinions
• How can group decision-making be optimized?

  By setting ground rules and dynamics
• What is the biggest factor in optimizing decision-making?

  Experience
• How can the decision-making process be improved?

  By controlling the environment and reducing distractions
• What is the effect of reporting in small blocks?

  Reduces the effect of fatigue
• What is the significance of double reporting?

  It is used successfully in mammography
• What is the nature of visual decision-making?

  Made under conditions of uncertainty
• What external variables affect decision-making from visual information?

  • Noise
  • Contrast
  • Image quality
  • Lighting
  • Distractors
  • Experience
• What psychological phenomena affect decision-making bias?

  • Availability heuristics
  • Representativeness heuristics
  • Confirmatory bias
  • Group decision-making and polarization
• How can decision-making using visual information be improved?

  By gaining experience and awareness of bias
• What is the role of eye tests in decision-making?

  They help ensure visual accuracy