Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Videos

Origin of orientation tuning in the visual cortex.

B Chapman¹, M P Stryker

¹Beckman Institute, California Institute of Technology, Pasadena 91125.

Current Opinion in Neurobiology

|August 1, 1992

Summary

New research reveals specific neuronal connections in the primary visual cortex. Orientation tuning in cortical cells develops through activity-dependent processes, influenced by specific afferent inputs and non-specific inhibitory connections.

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

Mycosands: Fungal diversity and abundance in beach sand and recreational waters - Relevance to human health.

The Science of the total environment·2021

Same author

Impact of nutritional status/risk and post-operative nutritional management on clinical outcomes in patients undergoing gastrointestinal surgery: a prospective observational study.

Journal of human nutrition and dietetics : the official journal of the British Dietetic Association·2020

Same author

Long-term continuous terlipressin infusion in cirrhotic patients with hepatorenal syndrome or refractory ascites awaiting liver transplantation is associated with an increase in plasma sodium.

United European gastroenterology journal·2019

Same author

Candidaemia and a risk predictive model for overall mortality: a prospective multicentre study.

BMC infectious diseases·2019

Same author

The role of citizen science in addressing grand challenges in food and agriculture research.

Proceedings. Biological sciences·2018

Same author

Observations of core ion cyclotron emission on ASDEX Upgrade tokamak.

The Review of scientific instruments·2018

Area of Science:

Neuroscience
Visual processing
Cortical circuitry

Background:

Orientation selectivity is a fundamental property of neurons in the primary visual cortex.
Understanding the neuronal basis of orientation tuning is crucial for comprehending visual perception.

Purpose of the Study:

To elucidate the specific neuronal connections that underpin orientation-selective responses in the primary visual cortex.
To investigate the role of afferent and intracortical connections in shaping orientation tuning.

Main Methods:

Analysis of experimental data on neuronal responses in the primary visual cortex.
Review of theoretical models of cortical development and function.

Main Results:

Related Experiment Videos

Afferent input from the lateral geniculate nucleus to the cortex exhibits orientation specificity.

Intracortical inhibitory connections demonstrate non-specific orientation properties.

Evidence suggests that cortical cell orientation tuning is an activity-dependent developmental process.

Conclusions:

The interplay between specific afferent inputs and non-specific inhibitory connections shapes orientation selectivity.
Activity-dependent mechanisms are critical for the development of orientation tuning in the visual cortex.