Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Stimulus specificity and temporal dynamics of working memory for visual motion.

Tatiana Pasternak1, Daniel Zaksas

  • 1Department of Neurobiology and Anatomy, University of Rochester, Rochester, New York 14642, USA. tania@cvs.rochester.edu

Journal of Neurophysiology
|June 13, 2003
PubMed
Summary

Memory for visual motion preserves stimulus direction, speed, and size. This storage mechanism is most vulnerable shortly after encoding, suggesting shared neural processing for motion perception and memory.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Altered task demands lead to a division of labour for sensory and cognitive processing in the middle temporal area.

The European journal of neuroscience·2023
Same author

Linking Neuronal Direction Selectivity to Perceptual Decisions About Visual Motion.

Annual review of vision science·2020
Same author

Prefrontal Neurons Represent Motion Signals from Across the Visual Field But for Memory-Guided Comparisons Depend on Neurons Providing These Signals.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2016
Same author

Transitions between Multiband Oscillatory Patterns Characterize Memory-Guided Perceptual Decisions in Prefrontal Circuits.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2016
Same author

Unilateral prefrontal lesions impair memory-guided comparisons of contralateral visual motion.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2015
Same author

A hierarchy of intrinsic timescales across primate cortex.

Nature neuroscience·2014

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Visual Perception

Background:

  • Comparing moving stimuli requires identifying direction and storing it in memory.
  • Understanding the neural basis of visual memory is crucial for cognitive neuroscience.

Purpose of the Study:

  • To investigate the properties of the memory storage mechanism for visual motion stimuli.
  • To determine which attributes of motion are preserved during memory storage.

Main Methods:

  • Two macaque monkeys performed a task involving sequential presentation of sample and test random-dot motion stimuli.
  • A random-motion mask was introduced during the delay period between stimuli.
  • Performance was assessed based on the interference caused by the mask at specific times and properties.

Related Experiment Videos

Main Results:

  • Mask interference was selective, occurring at the test location 100-200 ms into the delay.
  • Interference depended on the mask's size and speed matching the remembered sample stimulus.
  • This indicates memory preserves motion direction, speed, and size.

Conclusions:

  • The representation of motion stimuli in memory retains specific sensory attributes.
  • The storage mechanism for visual motion is fragile shortly after encoding.
  • Neural mechanisms for visual motion processing likely support its memory storage.