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

Tectotectal connectivity in goldfish.

L Herrero1, P Pérez, P Núnez Abades

  • 1Laboratorio Neurobiologia de Vertebrados, Dept. Fisiologia y Biologia Animal, Univ. Sevilla, Sevilla, Spain.

The Journal of Comparative Neurology
|July 22, 1999
PubMed
Summary

Goldfish optic tecta are functionally connected via the tectal commissure. This study reveals symmetrical, point-to-point connections in deep tectal layers, crucial for orienting movements.

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

Prevalence of asymptomatic bacteriuria in high-risk hematological patients and its association with bacteremia: A prospective observational study on the need for antibiotic treatment.

European journal of internal medicine·2026
Same author

A Double-Edged Sword: A Qualitative Study of the Minority Tax in Academic Emergency Medicine Faculty.

Academic emergency medicine : official journal of the Society for Academic Emergency Medicine·2025
Same author

CPT1C deficiency in SF1 neurons impairs early metabolic adaptation to dietary fats, leading to obesity.

Molecular metabolism·2025
Same author

Systemic anticancer therapy near the end of life: an analysis of factors influencing treatment in advanced cancer patients.

ESMO open·2025
Same author

Positive Neuroblastoma differentiation with AC electrical-stimulation.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Hospital discharges (MBDS) from Takotsubo syndrome in Spain. Regional differences (2008-2021).

Revista clinica espanola·2025

Area of Science:

  • Neuroscience
  • Comparative Anatomy
  • Vision Research

Background:

  • The vertebrate optic tectum is vital for orienting responses.
  • Tectotectal connectivity details remain largely unknown, especially in fish.

Purpose of the Study:

  • To elucidate the anatomical basis of tectal coupling in goldfish.
  • To compare goldfish tectotectal connections with other vertebrates.

Main Methods:

  • Used biotinylated dextran amine tracer in goldfish.
  • Injected tracer into specific tectal sites to map cells and boutons.
  • Examined contralateral tectal projections via the tectal commissure.

Main Results:

  • Identified tectotectal cells and their synaptic endings in deep tectal layers (strata periventricular and griseum central).

Related Experiment Videos

  • Demonstrated symmetrical, point-to-point interconnections between corresponding tectal sites.
  • Differentiated two axon bundles within the tectal commissure: thinner dorsal tectotectal axons and thicker ventral tectofugal-descending tract axons.

    • Conclusions:

    • Established the anatomical framework for functional coupling between goldfish optic tecta.
    • Highlighted similarities and differences in tectotectal organization across vertebrate species.
    • Underscored the role of tectotectal connections in generating motor commands for orienting behaviors.