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10 - Sensorimotor transformation


Topics addressed in this lecture

  • Neural Information flow for movement generation
  • Cortical areas related to action 
  • Movement representations in the primary motor and parietal cortex
  • Instructed delay task for neural testing

Example for questions you should be able to answer

  • Describe the efferent and afferent information flow for planning and executing a reach-out and grasp movement
  • How are neurons in primary motor cortex tuned in a center-out reaching task? How does decoding with the population vector method work?
  • Describe an experiment to determine the coordinate frame in which reach movements are represented in the parietal cortex

Important concepts

  • Sensorimotor transformation
  • Coordinate frames and coordinate transformations 
  • Neural tuning specific for action type and movement direction
  • Gain modulation of tuned neural activity

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