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11 - Decision making

 

Topics addressed in the lecture:

  • Features influencing decision making
  • Different types of choose tasks
  • ROC analysis as a measure of decoding capability
  • Dependence of choice by target frequency, expected value, and stimulus timing
  • Biased competition model of decision making
  • Influencing decisions with neural stimulation

Examples for questions you should be able to answer:

  • What is the difference between a perceptual discrimination task and a free-choice task?
  • What do psychometric and neurometric performance curves describe? Which one is related to ROC analysis?
  • Describe the neural activity in parietal cortex during a free-choice task? What does the neural activity represent?

Important concepts:

  • perceptual discrimination and a free-choice behavior
  • psychometric and neurometric performance
  • choice bias by target frequency, reward, and timing
  • biased competiton model for decision making

Topics addressed in the lecture:

  • Stimulus-Sensation-Perception
  • Structure of eye and retina
  • Processing principles related to the structure of the retina
  • Cone and rod photoreceptor types 
  • Encoding of spatial information
  • Encoding of color information

Examples for questions you should be able to answer:

  • What is hierarchical coding?
  • What is retinotopy?

Important concepts:

  • Labeled-line coding
  • Hierarchical vs. parallel vs. horizontal processing
  • Receptive field
  • Retinotopy
  • Local coding
  • Coarse coding

 

Last update of this page: Jan 16, 2020