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Related Concept Videos

Communication

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.

What is Cell Signaling?

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.

What is Cell Signaling?

What is Cell Signaling?

Despite the protective membrane that separates a cell from the environment, cells need the ability to detect and respond to environmental changes. Additionally, cells often need to communicate with one another. Unicellular and multicellular organisms use a variety of cell signaling mechanisms to communicate to respond to the environment.

Bacterial Signaling

Bacterial Signaling

Bacterial signaling can occur within bacteria (intracellular) or between bacteria (intercellular). At times, a group of bacteria behaves like a community. To achieve this, they engage in quorum sensing, the perception of higher cell density that causes changes in gene expression. Quorum sensing involves both extracellular and intracellular signaling. The signaling cascade starts with a molecule called an autoinducer (AI). Individual bacteria produce AIs that move out of the bacterial cell...

Contact-dependent Signaling

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...

Types of Signaling Molecules

Types of Signaling Molecules

In multicellular organisms, many molecules transmit signals between cells to pass information. These signals vary in complexity and include small peptides, nucleotides, steroids, fatty acid derivatives, and dissolved gases such as nitric oxide. Some signaling molecules diffuse through the plasma membrane to act locally between neighboring cells or travel long distances. Others remain attached to the cell surface, transmitting information to other cells only when they make contact. In some...

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Related Experiment Video

Updated: Jun 5, 2026

Computer-Generated Animal Model Stimuli

Computer-Generated Animal Model Stimuli

Published on: July 29, 2007

'Intentional' signaling in Animal communication.

M D Hauser¹, D A Nelson

¹Dept of Zoology, University of California, Davis, CA 95616, USA.

Trends in Ecology & Evolution

|January 15, 2011

Summary

This summary is machine-generated.

Animals in conflicts often signal intentionally, with displays predicting future actions even without repeated interactions. Deception, particularly information concealment, is common and effective in these competitive social interactions.

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Last Updated: Jun 5, 2026

Computer-Generated Animal Model Stimuli

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Published on: July 29, 2007

Automated Interactive Video Playback for Studies of Animal Communication

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Published on: February 9, 2011

Mimicking the Function of Signaling Proteins: Toward Artificial Signal Transduction Therapy

Mimicking the Function of Signaling Proteins: Toward Artificial Signal Transduction Therapy

Published on: September 29, 2016

Area of Science:

Evolutionary biology
Cognitive ethology
Animal behavior

Background:

Intentional signaling in animal conflicts is a key area of study.
Understanding animal communication sheds light on complex mental states.
Recent advances offer new insights into competitive social interactions.

Purpose of the Study:

To explore intentional signaling in animal conflicts.
To investigate the predictive nature of animal displays.
To examine the prevalence and mechanisms of deception in social interactions.

Main Methods:

Analysis of theoretical and empirical advances in animal signaling.
Review of studies on taxonomically diverse organisms.
Examination of display predictiveness and deception strategies.

Main Results:

Animal displays in social conflicts often predict subsequent behavior.
Predictive displays occur even with infrequent social interactions.
Deception, specifically information concealment, is prevalent across diverse species.

Conclusions:

Intentional signaling plays a crucial role in animal conflicts.
Concealment of information is a widespread and effective deceptive strategy.
This research advances our understanding of animal cognition and social dynamics.