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Related Concept Videos

Language and Cognition01:27

Language and Cognition

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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.
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Language is a system of communication that allows the expression of thoughts, ideas, and feelings. The brain processes language in both hemispheres.
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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.
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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.
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Interference and Decay01:16

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Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
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The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
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Modeling Coevolution between Language and Memory Capacity during Language Origin.

Tao Gong1, Lan Shuai1

  • 1Haskins Laboratories, New Haven, Connecticut, United States of America.

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Summary
This summary is machine-generated.

Language and memory capacity coevolved, with early language emergence boosting memory. This coevolution, driven by natural selection in cultural transmission, continued until memory was sufficient for communication.

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Area of Science:

  • Evolutionary biology
  • Cognitive science
  • Computational linguistics

Background:

  • Memory is crucial for language acquisition and use.
  • The evolutionary relationship between memory capacity and language origin is under-explored.
  • Existing research lacks evolutionary perspectives on whether high memory capacity is a prerequisite for language.

Purpose of the Study:

  • To explore the coevolutionary dynamics between language and memory capacity.
  • To investigate if language origin influenced memory capacity.
  • To test the hypothesis that natural selection refined language-related cognitive abilities.

Main Methods:

  • Developed a multi-agent computational model.
  • Simulated the emergence of lexical items and simple syntax through iterated communication.
  • Incorporated genetic transmission of memory capacity and cultural transmission of idiolects.

Main Results:

  • A communal language emerged alongside increased memory capacity for linguistic knowledge.
  • Coherent increases in linguistic understandability and memory capacity demonstrated coevolution.
  • Coevolution ceased when memory capacity became adequate for language communication.

Conclusions:

  • Language and memory capacity exhibit a coevolutionary relationship.
  • Natural selection, based on communicative success, drove this coevolution.
  • Differences in cognitive abilities between humans and animals may stem from language-memory coevolution.