Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan

Motion Perception

  • Meena NuthiEmail author
  • Uma Suryadevara
  • Adam J. Woods
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_9109

Motion perception is a visual inference of motion based on the speed and direction of elements in the environment. The other sensory modalities that are involved in processing this directional information include vestibular and proprioceptive inputs. Complex computational and neural mechanisms appear to underlie the motion perception process, many of which require further investigation. In general, optic flow integrates the two-dimensional velocity vectors that indicate the direction and speed of motion of the elements in the surrounding environment (Harris and Jenkin 1993). With the addition of head movements, the processing of optic flow is limited and this is compensated for, in part, by motion signals from the vestibular otolith organs (Benson et al. 1986). The otoliths act as linear accelerometers and provide the basis for directional selectivity.

Visual and vestibular signals are integrated in motion processing sensitive brain regions (e.g., V5/MT) to achieve robust perception of...

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Copyright information

© Springer International Publishing AG (outside the USA) 2018

Authors and Affiliations

  • Meena Nuthi
    • 1
    Email author
  • Uma Suryadevara
    • 2
  • Adam J. Woods
    • 3
    • 4
    • 5
  1. 1.University of FloridaGainesvilleUSA
  2. 2.Department of PsychiatryUniversity of FloridaGainesvilleUSA
  3. 3.Department of Clinical and Health Psychology, College of Public Health and Health ProfessionsUniversity of FloridaGainesvilleUSA
  4. 4.Center for Cognitive Aging and Memory, McKnight Brain Institute, University of FloridaGainesvilleUSA
  5. 5.Department of Neuroscience, University of FloridaGainesvilleUSA