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

Temporal limits of spatial working memory in humans

C J Ploner1, B Gaymard, S Rivaud

  • 1INSERM U 289 and Service de Neurologie, Hôpital de la Salpêtrière, Paris, France.

The European Journal of Neuroscience
|September 28, 1998
PubMed
Summary
This summary is machine-generated.

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

The diagnostic value of the neurological examination in coma of unknown etiology.

Journal of neurology·2021
Same author

Comparing ataxias with oculomotor apraxia: a multimodal study of AOA1, AOA2 and AT focusing on video-oculography and alpha-fetoprotein.

Scientific reports·2017
Same author

[Coma in the emergency room].

Der Nervenarzt·2017
Same author

Oculomotor Impairments in Developmental Dyspraxia.

Cerebellum (London, England)·2016
Same author

Imaging of autoimmune encephalitis--Relevance for clinical practice and hippocampal function.

Neuroscience·2015
Same author

[American Academy of Neurology, Washington, 18-25 April 2015].

Revue neurologique·2015
Same journal

Improved Motor Neuron Preservation and Axonal Recovery Following Experimental Sciatic Nerve Repair With Heterologous Fibrin Biopolymer.

The European journal of neuroscience·2026
Same journal

Topography of Regional Cerebral GABA<sub>A</sub> Receptor Availability in Parkinson's Disease Patients With Freezing of Gait.

The European journal of neuroscience·2026
Same journal

Enhanced Time-Locked Decoding for Spoken Words but Not Environmental Sounds in Natural-Like Auditory Conditions.

The European journal of neuroscience·2026
Same journal

Learning Dynamics in Biophysical Spiking Network Models Are Shaped by KCC2/NKCC1 Cotransporter Stoichiometry.

The European journal of neuroscience·2026
Same journal

Dopamine Receptor Agonism in the Nucleus Accumbens Shell During Aversive Learning or Memory Retrieval: Differential Effects Depending on the Degree of Sugar Familiarity.

The European journal of neuroscience·2026
Same journal

Training in the Categorization of Aerial and Terrestrial Scenes Differentially Impacts Scene-Selective and Nonscene-Selective Regions in Occipitotemporal Cortex.

The European journal of neuroscience·2026
See all related articles

Spatial working memory is not constantly decaying; it has temporal limits. This study reveals two successive spatial representations controlling memory-guided behavior, with errors peaking around 20-second delays.

Area of Science:

  • Cognitive Neuroscience
  • Human Psychology
  • Oculomotor Research

Background:

  • Working memory is characterized by the transient nature of its information.
  • Understanding the temporal stability of spatial working memory is crucial for cognitive models.

Purpose of the Study:

  • To investigate the temporal stability of spatial working memory.
  • To identify potential limits and underlying mechanisms of spatial information decay.

Main Methods:

  • An oculomotor task involving memory-guided saccades was employed.
  • Electro-oculography recorded eye movements in 16 human subjects.
  • Variable, unpredictable memorization delays (0.5-30s) were used.

Main Results:

Related Experiment Videos

  • Saccadic targeting errors exhibited a peaked time-course, maximal around 20s delay.
  • Spatial information decay in working memory was observed but found to be time-limited.
  • Performance significantly improved beyond 20s delays, suggesting a temporal limit.

    • Conclusions:

    • Spatial working memory has defined temporal limitations, not a simple linear decay.
    • The findings provide the first behavioral evidence for two parallel spatial representations governing memory-guided actions.