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

Synchronous high-frequency oscillations in cat area 18

M Brosch1, R Bauer, R Eckhorn

  • 1Department of Biophysics, Philipps University, Marburg, Germany.

The European Journal of Neuroscience
|January 1, 1995
PubMed
Summary

Correlated neural activity in the cat visual cortex (area 18) depends on neuron location and tuning. These findings suggest a neural code for sensory processing.

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 mechanistic, model-based approach to safety assessment in clinical development.

CPT: pharmacometrics & systems pharmacology·2013
Same author

Tactile stimulation and hemispheric asymmetries modulate auditory perception and neural responses in primary auditory cortex.

NeuroImage·2013
Same author

Increased proteasome subunit protein expression and proteasome activity in colon cancer relate to an enhanced activation of nuclear factor E2-related factor 2 (Nrf2).

Oncogene·2009
Same author

Click train encoding in primary and non-primary auditory cortex of anesthetized macaque monkeys.

Neuroscience·2008
Same author

Contribution of self-motion perception to acoustic target localization.

Acta oto-laryngologica·2005
Same author

Sequence sensitivity of neurons in cat primary auditory cortex.

Cerebral cortex (New York, N.Y. : 1991)·2000

Area of Science:

  • Neuroscience
  • Computational Neuroscience
  • Visual System Research

Background:

  • Correlated oscillatory activity is crucial for neural communication.
  • Understanding these patterns in the visual cortex is key to deciphering sensory processing.

Purpose of the Study:

  • To investigate the properties of correlated oscillatory activity in the cat visual cortex (area 18).
  • To determine how neuronal properties and spatial relationships influence these correlations.
  • To explore the potential role of correlated activity as a neural code.

Main Methods:

  • Multi-electrode recordings in anaesthetized cat visual cortex (area 18).
  • Analysis of multi-unit activity and local field potentials using coherence functions (35-80 Hz).
  • Statistical analysis of correlations based on cortical distance, orientation selectivity, and layer.

Main Results:

  • Multi-unit correlations decreased with cortical distance, dropping to chance levels within millimeters.
  • Correlations were stronger in lower cortical layers compared to upper layers.
  • Neurons with similar orientation preferences exhibited higher correlations.
  • Correlations in area 18 mirrored those in area 17, suggesting intracortical origins.

Conclusions:

  • Correlated oscillatory activity in the visual cortex is structured and not random.
  • These patterns are influenced by neuronal response properties and cortical architecture.
  • The findings support the hypothesis that correlated oscillations form a neural code for sensory information processing.

Related Experiment Videos