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

Stationary pattern adaptation and the early components in human visual evoked potentials.

H K Hudnell1, W K Boyes, D A Otto

  • 1U.S. Environmental Protection Agency, University of North Carolina, Chapel Hill 27514.

Electroencephalography and Clinical Neurophysiology
|May 1, 1990
PubMed
Summary

Visual evoked potentials reveal distinct neural pathways for pattern processing. The N1 component, unlike P0, is selectively adapted by stationary gratings, suggesting different neuronal activation rates.

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

Detection of silver nanoparticles in cells by flow cytometry using light scatter and far-red fluorescence.

Cytometry. Part A : the journal of the International Society for Analytical Cytology·2013
Same author

Detection of TiO2 nanoparticles in cells by flow cytometry.

Cytometry. Part A : the journal of the International Society for Analytical Cytology·2010
Same author

A physiologically based pharmacokinetic model for trichloroethylene in the male long-evans rat.

Toxicological sciences : an official journal of the Society of Toxicology·2002
Same author

A comparison of Haber's rule at different ages using a physiologically based pharmacokinetic (PBPK) model for chloroform in rats.

Toxicology·2002
Same author

Neurobehavioral test performance in the third National Health and Nutrition Examination Survey.

Neurotoxicology and teratology·2002
Same author

Possible estuary-associated syndrome: symptoms, vision, and treatment.

Environmental health perspectives·2001

Area of Science:

  • Neuroscience
  • Visual Perception
  • Psychophysics

Background:

  • Visual evoked potentials (VEPs) are crucial for studying visual processing.
  • Understanding the neural basis of spatial frequency perception is key to visual neuroscience.
  • Previous research suggests different components of VEPs may reflect distinct neural mechanisms.

Purpose of the Study:

  • To investigate the functional distinctiveness of P0 and N1 components of pattern-onset VEPs.
  • To determine the effect of spatial frequency adaptation on P0 and N1 amplitudes.
  • To explore the relationship between adaptation rate and neuronal activation for different VEP components.

Main Methods:

  • Eliciting pattern-onset VEPs using sinusoidal gratings at various spatial frequencies (0.5, 1, 2, 4 cpd).

Related Experiment Videos

  • Employing adaptation paradigms using either a blank field or gratings of specific spatial frequencies.
  • Analyzing the amplitude changes of P0 and N1 components under different adaptation conditions.

    • Main Results:

    • P0 amplitude decreased with increasing spatial frequency after blank field adaptation, while N1 amplitude increased.
    • Stationary pattern adaptation significantly reduced N1 amplitude across tested spatial frequencies.
    • P0 amplitude remained unaffected by stationary pattern adaptation, unlike N1.

    Conclusions:

    • N1 and P0 components are generated by functionally distinct neuronal populations.
    • Neurons generating N1 adapt at a lower rate of retinal image modulation compared to those generating P0.
    • VEP component analysis provides insights into the differential adaptation properties of visual neurons.