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Related Concept Videos

Communication01:03

Communication

Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction.
Communication01:28

Communication

Sharing information, concepts, and emotions to foster mutual understanding is communication. The sender, recipient, and transaction must be considered in this manner. The sender is the person who shares the message, the recipient is the person who receives and understands the message, and the transaction is the method used to deliver the message and the variables that affect the communication's context and surroundings. The nurse-client connection is built on therapeutic communication.
Within...
Contact-dependent Signaling01:19

Contact-dependent Signaling

Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...
Evolutionary Psychology01:20

Evolutionary Psychology

Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...
Neuronal Communication01:28

Neuronal Communication

Neurons, the fundamental units of the brain and nervous system, communicate through complex electrochemical signals that underpin all cognitive and bodily functions. This communication is primarily facilitated by a process involving the generation and propagation of an action potential along the axon of the neuron. When the internal electrical charge of a neuron surpasses a certain threshold, an action potential is triggered. This rapid change in voltage travels swiftly along the axon to the...
Evolutionary Processes in Microbes01:26

Evolutionary Processes in Microbes

Microbial evolution occurs rapidly due to short generation times and a variety of genetic processes, including horizontal gene transfer, mutation, recombination, and genetic drift. These mechanisms collectively enable microbes to adapt swiftly to changing environments.Horizontal gene transfer (HGT) allows genes to move between different species and occurs through three main mechanisms: conjugation, transformation, and transduction. Conjugation involves direct cell-to-cell contact for DNA...

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Related Experiment Video

Updated: Jul 15, 2026

A Practical Guide to Phage- and Robotics-Assisted Near-Continuous Evolution
05:08

A Practical Guide to Phage- and Robotics-Assisted Near-Continuous Evolution

Published on: January 12, 2024

Evolutionary robotics: emergence of communication.

Hod Lipson1

  • 1Mechanical & Aerospace Engineering, Cornell University, Ithaca, New York, USA. hl274@cornell.edu

Current Biology : CB
|May 2, 2007
PubMed
Summary

Communication emerges spontaneously in robot simulations. Cooperative communication requires group or kin selection, while deceptive communication appears in competitive settings, revealing evolutionary drivers of signaling.

Area of Science:

  • Evolutionary biology
  • Robotics
  • Artificial intelligence

Background:

  • Communication is a key evolutionary transition.
  • Spontaneous emergence of communication has been demonstrated in simulations.
  • Understanding the conditions favoring cooperative versus deceptive communication is crucial.

Purpose of the Study:

  • To investigate the spontaneous emergence of communication using robot-based simulations.
  • To determine the selective pressures that lead to cooperative communication.
  • To explore the conditions under which deceptive communication arises.

Main Methods:

  • Utilizing robot-based simulations to model communication.
  • Implementing a purely competitive setting to observe deceptive communication.

Related Experiment Videos

Last Updated: Jul 15, 2026

A Practical Guide to Phage- and Robotics-Assisted Near-Continuous Evolution
05:08

A Practical Guide to Phage- and Robotics-Assisted Near-Continuous Evolution

Published on: January 12, 2024

  • Introducing group or kin selection to study cooperative communication.

    • Main Results:

    • Communication arises spontaneously in the simulated environment.
    • Deceptive communication emerged in a purely competitive setting.
    • Cooperative communication was observed only under conditions of group or kin selection.

    Conclusions:

    • Robot simulations can effectively model the evolution of communication.
    • Group or kin selection are necessary conditions for the evolution of cooperative communication.
    • Competitive dynamics can drive the evolution of deceptive communication.