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 Concept Videos

Methods of Obtaining Topography01:25

Methods of Obtaining Topography

Topography involves measuring and mapping land elevations, natural features, and artificial structures to create accurate representations of the terrain. Topographic surveying relies on traditional and modern methods, each with distinct advantages and limitations.Traditional Surveying Methods:Transit stadia surveys and plane table surveys were widely used traditional surveying methods. These techniques relied on instruments like theodolites and stadia rods for measuring distances and angles,...
Plotting of Topographic Maps01:29

Plotting of Topographic Maps

Topographic maps represent the Earth's surface features using contour lines, which connect points of equal elevation to create a two-dimensional representation of three-dimensional terrain. Creating a topographic map requires a systematic approach.Begin by plotting a scaled grid and marking intersections corresponding to the survey's elevation data points. Assign elevation values at these intersections to build the base map. Next, determine contour levels using a consistent contour interval,...
Topographic Surveying and Contours01:29

Topographic Surveying and Contours

Topographic surveying is critical for documenting the Earth's surface, focusing on capturing elevations, slopes, and natural and man-made features. It is essential in construction planning, water resource management, and land-use analysis. The primary outcome of such surveys is a topographic map, which uses contour lines to visually represent the shape and slope of the terrain, providing valuable insights into the landscape's characteristics.Contour lines are fundamental to understanding the...
Stability of structures01:14

Stability of structures

In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
Phylogenetic Trees03:21

Phylogenetic Trees

Phylogenetic trees come in many forms. It matters in which sequence the organisms are arranged from the bottom to the top of the tree, but the branches can rotate at their nodes without altering the information. The lines connecting individual nodes can be straight, angled, or even curved.
DNA Topoisomerases02:02

DNA Topoisomerases

Topoisomerases are enzymes that relax overwound DNA molecules during various cell processes, including DNA replication and transcription. These enzymes regulate positive and negative DNA supercoiling without changing the nucleotide sequence. DNA overwinding in a clockwise direction results in positively supercoiled DNA, whereas underwinding in a counterclockwise direction produces negatively supercoiled DNA.
Types and Mechanism of action
Topoisomerases are divided into two main types.  Type I...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Coding Dynamics of the Striatal Networks During Learning.

eNeuro·2024
Same author

Author Correction: Strategy inference during learning via cognitive activity-based credit assignment models.

Scientific reports·2023
Same author

Strategy inference during learning via cognitive activity-based credit assignment models.

Scientific reports·2023
Same author

Long-lasting spatial memory deficits and impaired hippocampal plasticity following unilateral vestibular loss.

Progress in neurobiology·2023
Same author

Breaking a dogma: acute anti-inflammatory treatment alters both post-lesional functional recovery and endogenous adaptive plasticity mechanisms in a rodent model of acute peripheral vestibulopathy.

Journal of neuroinflammation·2021
Same author

Navigation using global or local reference frames in rats with medial and lateral entorhinal cortex lesions.

Behavioural brain research·2021

Related Experiment Video

Updated: May 29, 2026

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Rats build and update topological representations through exploration.

Alice Alvernhe1, Francesca Sargolini, Bruno Poucet

  • 1Laboratoire de Neurobiologie de la Cognition, CNRS-Aix-Marseille Université, Marseille, France.

Animal Cognition
|September 15, 2011
PubMed
Summary

Rats demonstrate an understanding of environmental connectivity, not just spatial layouts. They adjust navigation strategies based on changes to the topological structure of their environment.

More Related Videos

Revealing Neural Circuit Topography in Multi-Color
09:11

Revealing Neural Circuit Topography in Multi-Color

Published on: November 14, 2011

Related Experiment Videos

Last Updated: May 29, 2026

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Revealing Neural Circuit Topography in Multi-Color
09:11

Revealing Neural Circuit Topography in Multi-Color

Published on: November 14, 2011

Area of Science:

  • Neuroscience
  • Animal Behavior
  • Cognitive Psychology

Background:

  • Rats form complex spatial representations during exploration.
  • The extent to which rats understand environmental connectivity (topology) is debated.

Purpose of the Study:

  • To investigate if rats can process the topological structure of an environment.
  • To determine if rats are aware of connections between different environmental sectors.

Main Methods:

  • Rats explored a complex environment with sectors separated by doors over four trials.
  • In a fifth trial, door access was manipulated (opened/closed) to alter environmental topology.
  • Exploratory behavior was measured in response to topological changes versus control manipulations.

Main Results:

  • Rats showed differential behavioral responses to door manipulations that altered environmental topology compared to controls.
  • Closing previously open doors and opening previously closed doors elicited distinct reactions.
  • This suggests rats perceive and react to changes in environmental connectivity.

Conclusions:

  • Rats build precise maps of spatial connectivity during exploration.
  • These spatial maps are flexible and can be updated.
  • This understanding facilitates efficient navigation and environmental adaptation.