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

Osmoregulation in Insects01:47

Osmoregulation in Insects

17.7K
Malpighian tubules are specialized structures found in the digestive systems of many arthropods, including most insects, that handle excretion and osmoregulation. The tubules are typically arranged in pairs and have a convoluted structure that increases their surface area.
17.7K
Integration by Parts: Indefinite Integrals01:26

Integration by Parts: Indefinite Integrals

242
Integration by parts is a fundamental technique in calculus for evaluating integrals involving the product of two functions. It is particularly useful when direct integration is not feasible. The method is based on the product rule for differentiation, which states that the derivative of a product equals the derivative of the first function times the second, plus the first function times the derivative of the second. By integrating this identity and rearranging terms, the integration by parts...
242
Optimal Foraging00:48

Optimal Foraging

14.0K
How animals obtain and eat their food is called foraging behavior. Foraging can include searching for plants and hunting for prey and depends on the species and environment.
14.0K
Integration by Parts: Definite Integrals01:23

Integration by Parts: Definite Integrals

93
Definite integrals involving the product of two functions over a fixed interval can be evaluated using integration by parts. This method rewrites the integral as the difference of a product evaluated at the endpoints and a remaining definite integral that is often simpler to compute.A representative example is the definite integral of the inverse tangent function. Since there is no direct integration formula for arctan ⁡x, the integrand is rewritten as a product of arctan⁡ x and the...
93
Optimization Problems01:26

Optimization Problems

82
Optimization problems often involve identifying maximum or minimum values under specific constraints. A well-known example is determining the longest horizontal pipe that can be moved around a right-angled corner, where a 3-meter-wide hallway meets a 2-meter-wide hallway. This scenario, common in architectural design and industrial transport, can be understood conceptually through geometric and trigonometric reasoning.To visualize the problem, consider the pipe as a straight line that touches...
82
Definite Integral01:29

Definite Integral

84
Consider a real-valued function defined on a closed interval. One of the fundamental objectives in calculus is to determine the area under the graph of such a function. When an exact computation is not readily available, this area can be estimated by dividing the interval into a finite number of equal subintervals. Each subinterval corresponds to a rectangle whose width is the length of the subinterval and whose height is determined by the value of the function at a selected point within that...
84

You might also read

Related Articles

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

Sort by
Same author

Vector-based navigation in desert ants: the significance of path-integration vectors.

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology·2024
Same author

The Cataglyphis Mahrèsienne: 50 years of Cataglyphis research at Mahrès.

Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology·2019
Same author

A load-based mechanism for inter-leg coordination in insects.

Proceedings. Biological sciences·2017
Same journal

Tau protein as a regulator of mitochondrial function and dynamics.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

A scalable, dividing cell model for the robust propagation and quantification of human sporadic Creutzfeldt-Jakob disease prions.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Epigenetic regulation of mesenchymal BMP signaling directs postnatal organ innervation.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Single-shot wide-field biochemical imaging at 1 kHz frame rate.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

Morphogenesis and topological evolution of a frustrated nematic liquid crystal under confinement.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same journal

B cell-intrinsic CXCR3 drives efficient generation of ectopic pulmonary germinal center responses to influenza A virus infection.

Proceedings of the National Academy of Sciences of the United States of America·2026
See all related articles

Related Experiment Video

Updated: Feb 14, 2026

Author Spotlight: Optimizing the Rearing Procedure of Germ-Free Wasps
05:39

Author Spotlight: Optimizing the Rearing Procedure of Germ-Free Wasps

Published on: July 21, 2023

2.9K

Optimal multiguidance integration in insect navigation.

Thierry Hoinville1,2, Rüdiger Wehner3

  • 1Biological Cybernetics Department, Bielefeld University, 33615 Bielefeld, Germany; thierry.hoinville@uni-bielefeld.de.

Proceedings of the National Academy of Sciences of the United States of America
|February 28, 2018
PubMed
Summary
This summary is machine-generated.

Desert ants use path integration and landmark guidance for navigation. A new decentralized model shows these routines optimally combine information, maximizing navigational certainty without a central cognitive map.

Keywords:
compasscue-conflictmultisensorypath integrationvector field

More Related Videos

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF
08:34

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF

Published on: October 17, 2025

615
Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions
07:09

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions

Published on: May 2, 2019

6.5K

Related Experiment Videos

Last Updated: Feb 14, 2026

Author Spotlight: Optimizing the Rearing Procedure of Germ-Free Wasps
05:39

Author Spotlight: Optimizing the Rearing Procedure of Germ-Free Wasps

Published on: July 21, 2023

2.9K
Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF
08:34

Optimizing Minimally Invasive Spine Surgery: A Fully 3D CT O-Arm Navigated Workflow in MIS TLIF

Published on: October 17, 2025

615
Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions
07:09

Integrating Visual Psychophysical Assays within a Y-Maze to Isolate the Role that Visual Features Play in Navigational Decisions

Published on: May 2, 2019

6.5K

Area of Science:

  • Animal Behavior
  • Neuroethology
  • Insect Navigation

Background:

  • Desert ants are model organisms for studying insect navigation.
  • Navigation relies on path integration (celestial compass) and landmark guidance (panoramic views).
  • Previous theories proposed a centralized cognitive map for foraging terrain.

Purpose of the Study:

  • To present a decentralized architecture for insect navigation.
  • To demonstrate how path integration and landmark guidance optimally combine information.
  • To challenge the necessity of a centralized cognitive map in insect navigation.

Main Methods:

  • Development of a decentralized model architecture.
  • Computation of path integration (global) and landmark guidance (local) vectors.
  • Vector summation to determine the optimal directional estimate based on certainty.

Main Results:

  • The decentralized model architecture successfully simulates diverse cue-conflict experiments.
  • Results align with studies on desert ants and honeybees.
  • The model explains experimental outcomes previously used to support a metric cognitive map.

Conclusions:

  • Insect navigation can be explained by a decentralized system combining path integration and landmark guidance.
  • Optimal navigation is achieved by maximizing the certainty of combined navigational information.
  • A centralized cognitive map is not required for complex navigational behaviors in insects.