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Related Experiment Video

Updated: Jun 8, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Decoding stimulus-reward pairing from local field potentials recorded from monkey visual cortex.

Nikolay V Manyakov1, Rufin Vogels, Marc M Van Hulle

  • 1Katholieke Universiteit Leuven, Belgium. NikolayV.Manyakov@med.kuleuven.be

IEEE Transactions on Neural Networks
|October 13, 2010
PubMed
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Researchers decoded stimulus-reward pairings from brain signals using novel features, including visual cortex wave propagation. This method accurately monitors monkey training performance, even with limited data.

Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Primate Research

Background:

  • Single-trial decoding of neural recordings is challenging due to low signal-to-noise ratios.
  • Understanding stimulus-reward associations is crucial for cognitive neuroscience and artificial intelligence.

Purpose of the Study:

  • To develop and validate a method for single-trial decoding of stimulus-reward pairings from local field potentials (LFPs).
  • To assess the effectiveness of physiologically meaningful features, including wave propagation, for monitoring training performance.

Main Methods:

  • Recorded chronic local field potentials (LFPs) in the visual cortical area V4 of monkeys during a perceptual conditioning task.
  • Engineered novel features based on time-frequency analysis, phase synchrony, and LFP wave propagation.

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Combined Shuttle-Box Training with Electrophysiological Cortex Recording and Stimulation as a Tool to Study Perception and Learning
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Combined Shuttle-Box Training with Electrophysiological Cortex Recording and Stimulation as a Tool to Study Perception and Learning

Published on: October 22, 2015

Related Experiment Videos

Last Updated: Jun 8, 2026

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
07:08

Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings

Published on: August 1, 2018

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns
09:42

Stimulus-specific Cortical Visual Evoked Potential Morphological Patterns

Published on: May 12, 2019

Combined Shuttle-Box Training with Electrophysiological Cortex Recording and Stimulation as a Tool to Study Perception and Learning
08:43

Combined Shuttle-Box Training with Electrophysiological Cortex Recording and Stimulation as a Tool to Study Perception and Learning

Published on: October 22, 2015

  • Applied a feature selection procedure and a linear classifier for single-trial classification.

    • Main Results:

    • The developed features successfully classified stimulus-reward pairings on a single-trial basis.
    • The inclusion of spatial features, particularly wave propagation, significantly improved classification performance.
    • The method demonstrated effectiveness in monitoring the monkey's training progress.

    Conclusions:

    • Physiologically meaningful features, especially those capturing LFP wave dynamics, enable robust single-trial decoding in challenging neural datasets.
    • This approach offers a promising tool for analyzing neural correlates of learning and decision-making in real-time.
    • The findings highlight the potential of utilizing complex neural dynamics for brain-computer interfaces and cognitive modeling.