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

Exploring the temporal dynamics of the spatial working memory n-back task using steady state visual evoked potentials

Kathryn A Ellis1, Richard B Silberstein, Pradeep J Nathan

  • 1Brain Sciences Institute, Swinburne University of Technology, Melbourne, Australia. kellis@unimelb.edu.au

Neuroimage
|April 4, 2006
PubMed
Summary

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

Tailored Online Physical Activity Coaching for Middle-Aged and Older Adults With Cognitive and Mental Health Concerns: Single-Arm Pre-Post Intervention Study.

JMIR aging·2026
Same author

Recruiting people living with mild cognitive impairment into a fall prevention trial.

Trials·2026
Same author

Balance on the Brain: Facilitators and Barriers of Intervention Implementation.

Gerontology·2025
Same author

Development of a Pilot Specialist Dementia Nurse at a Tertiary Victorian Hospital.

Dementia (London, England)·2025
Same author

Deferiprone in Alzheimer Disease: A Randomized Clinical Trial.

JAMA neurology·2024
Same author

3T sodium-MRI as predictor of neurocognition in nondemented older adults: a cross sectional study.

Brain communications·2024

This study reveals distinct temporal patterns in brain activity during spatial working memory tasks. These findings provide a framework for understanding the timing of neural processes in spatial working memory.

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Psychophysiology

Background:

  • Neural networks for spatial working memory (SWM) are known.
  • Temporal dynamics of SWM brain activity require further clarification.

Purpose of the Study:

  • To investigate temporal neurophysiology during the spatial n-back task.
  • To identify distinct time periods of neural activity related to SWM.

Main Methods:

  • Utilized steady state probe topography (SSPT) to record cortical steady state visual evoked potentials (SSVEPs).
  • Recorded activity at 64 scalp locations in 20 healthy male volunteers performing the spatial n-back task.

Main Results:

  • Identified three significant temporal periods: early encoding (0-500 ms), early delay (850-1400 ms), and late delay/anticipation (2500-3500 ms).

Related Experiment Videos

  • Observed increased frontal and occipital amplitude during the delay period.
  • Found consistent electrophysiological profiles across different n-back levels, specific to the spatial n-back task.

    • Conclusions:

    • Memory load modulates activity within identified neural networks.
    • Distinct SSVEP components during delay suggest variable prefrontal cortex roles.
    • Findings offer a framework for future research on temporal aspects of SWM.