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Related Concept Videos

Language01:16

Language

464
Language is a unique communication system that uses words and systematic rules to organize and transmit information. Unlike other forms of communication, which may involve postures, movements, odors, or vocalizations, language relies on symbols and grammar. This makes human communication distinct from that of other species, who also communicate but do not use language in the same way humans do.
Corballis and Suddendorf (2007) and Tomasello and Rakoczy (2003) highlight the role of language in...
464
Language and Cognition01:27

Language and Cognition

508
Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
508
Language Development01:22

Language Development

554
Children master language quickly and with relative ease, supported by both biological predisposition and reinforcement. B. F. Skinner (1957) proposed that language is learned through reinforcement, while Noam Chomsky (1965) argued that language acquisition mechanisms are biologically determined.
The critical period for language acquisition suggests that the ability to acquire language is at its peak early in life. As people age, this proficiency decreases. Language development begins very...
554
Components of Language01:24

Components of Language

520
Language, whether spoken, signed, or written, consists of specific components: lexicon and grammar. The lexicon is the vocabulary of a language, comprising its words. Grammar is the set of rules used to convey meaning through the lexicon. For example, English grammar adds “-ed” to most verbs to indicate past tense. Words are formed by combining phonemes, which are the basic sound units of a language. Different languages have different sets of phonemes (e.g., “ah” vs.
520
Communication01:03

Communication

8.0K
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.
8.0K
Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

2.0K
Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
Language formation and comprehension take place in the dominant hemisphere. The dominant hemisphere is responsible for understanding the meaning of spoken, written, or sign language, as well as the ability to communicate. For most people, the left hemisphere is the dominant one. The right hemisphere, then, gives tone and emotional context to the...
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Related Experiment Video

Updated: Oct 18, 2025

The Other End of the Leash: An Experimental Test to Analyze How Owners Interact with Their Pet Dogs
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Did Dog Domestication Contribute to Language Evolution?

Antonio Benítez-Burraco1, Daniela Pörtl2, Christoph Jung3

  • 1Department of Spanish, Linguistics, and Theory of Literature (Linguistics), Faculty of Philology, University of Seville, Seville, Spain.

Frontiers in Psychology
|September 30, 2021
PubMed
Summary

Human self-domestication may have been influenced by interactions with dogs, potentially impacting language evolution. This hypothesis explores how reduced aggression through dog companionship could have fostered human prosocial behaviors and complex language.

Keywords:
aggressioncognitive disordersdog domesticationhuman self-domesticationlanguage evolutionprosociality

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Area of Science:

  • Evolutionary biology
  • Linguistics
  • Animal behavior

Background:

  • Human self-domestication, linked to reduced aggression and increased prosociality, is a proposed factor in language evolution.
  • The domestication process in humans may share mechanisms with the domestication of other species, such as dogs.

Purpose of the Study:

  • To hypothesize a parallel domestication process between humans and dogs.
  • To explore the potential positive effect of human-dog interactions on human self-domestication and language evolution.
  • To investigate the role of aggression control mechanisms in this proposed co-evolutionary process.

Main Methods:

  • Review of ethological, archaeological, genetic, and physiological evidence.
  • Comparative analysis of human and canine domestication processes.
  • Hypothesis formulation regarding the impact of dog interaction on human aggression and social behavior.

Main Results:

  • Evidence suggests a potential link between human-dog interaction and modulation of aggression.
  • The proposed mechanisms involve shared pathways for controlling aggression and fostering prosociality.
  • The hypothesis posits that this interaction could have indirectly facilitated language complexity.

Conclusions:

  • Human-dog co-domestication may have played a role in human self-domestication and subsequent language evolution.
  • Further research is needed to test the proposed mechanisms linking dog interaction, aggression control, and language development.
  • This interdisciplinary approach offers a novel perspective on the origins of human language.