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

Split-second sequential selective activation in human secondary visual cortex.

J Leon Kenemans1, Marijn Lijffijt, Gert Camfferman

  • 1Department of Psychopharmacology, Utrecht University, The Netherlands. j.l.kenemans@pharm.uu.nl

Journal of Cognitive Neuroscience
|January 19, 2002
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

A collaborative guide to Rapid Invisible Frequency Tagging (RIFT): Methods, insights, and recommendations.

Imaging neuroscience (Cambridge, Mass.)·2026
Same author

Targeting the noncatalytic activity of GSK3β modulates neuronal excitability in medium spiny neurons via Nav1.6 interactions.

British journal of pharmacology·2026
Same author

Independent Markers of Attentional Shifts.

Journal of cognitive neuroscience·2026
Same author

Impact of affect labelling as an implicit emotion regulation strategy on negative and positive emotions.

Cognition & emotion·2026
Same author

FGF14 Peptide Derivative Differentially Regulates Nav1.2 and Na<sub>v</sub>1.6 Function.

Life (Basel, Switzerland)·2025
Same author

Inhibition of the GSK3β/Nav1.6 complex suppresses early-stage Alzheimer's hyperexcitability.

Alzheimer's & dementia : the journal of the Alzheimer's Association·2025
Same journal

Sensorimotor Adaptation of Vocal Pitch Is Impaired in Cerebellar Ataxia.

Journal of cognitive neuroscience·2026
Same journal

Memory in the Palm of Your Hand: Smartphone-based Methods for Measuring Memory in the Wild.

Journal of cognitive neuroscience·2026
Same journal

Processing Asymmetry in Object-modifying Relative Clauses: Evidence from Functional Connectivity.

Journal of cognitive neuroscience·2026
Same journal

Extensive Experience Remodels Neural Task Circuitry to Escape the Frontal Bottleneck and Increase Automaticity of Categorization.

Journal of cognitive neuroscience·2026
Same journal

Investigating the Effects of Acute Stress on Neural Mechanisms of Self-controlled Decision-making.

Journal of cognitive neuroscience·2026
Same journal

Distilling the Neurophenomenological Signatures of Pure Awareness during Transcendental Meditation.

Journal of cognitive neuroscience·2026
See all related articles

Early visual selection for nonspatial features like spatial frequency is not as rapid as location selection, occurring after initial stimulus processing. This research used event-related potentials (ERPs) to map these distinct neural pathways.

Area of Science:

  • Cognitive Neuroscience
  • Visual Perception
  • Neuroimaging

Background:

  • Early visual selection is crucial for processing complex scenes.
  • Distinguishing between selection based on spatial location versus nonspatial features (e.g., color, spatial frequency) is important for understanding attentional mechanisms.
  • Previous research often focused on location-based selection, which shows very early neural correlates.

Purpose of the Study:

  • To investigate the temporal dynamics and neural sources of early visual selection based on nonspatial features (spatial frequency).
  • To compare the timing of nonspatial feature selection with stimulus-specific visual processing.
  • To examine how feature discriminability affects selection latency and response criteria.

Main Methods:

  • Utilized event-related potentials (ERPs) with high temporal resolution.

Related Experiment Videos

  • Employed dipole-source modeling to infer cortical activation patterns.
  • Presented rapid sequences of visual gratings varying in spatial frequency and orientation.
  • Manipulated feature discriminability to assess its impact on selection.

    • Main Results:

    • Attention effects for spatial frequency selection emerged around 120-265 msec latency.
    • Dipole modeling indicated sequential activation of distinct cortical areas (posterior dorsal-medial, posterior ventral-lateral, anterior medial).
    • Stimulus-specific activity occurred earlier (before 100 msec) and involved different neural locations than attention-modulated activity.
    • Reduced feature discriminability delayed selection latency to ~175 msec and increased response criteria.

    Conclusions:

    • Nonspatial visual feature selection is initiated later than stimulus-specific processing.
    • The neural mechanisms for nonspatial selection are temporally and anatomically distinct from early sensory responses.
    • Selection based on nonspatial features is a more gradual process compared to location-based selection, influenced by feature discriminability.