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Related Concept Videos

Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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...
Language and Cognition01:27

Language and Cognition

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.
Channels of Non-Verbal Communication01:28

Channels of Non-Verbal Communication

Non-verbal communication plays a critical role in human interaction, influencing how individuals perceive emotions and psychological states. It operates through four primary channels: facial expressions, eye contact, body language, and touch. These non-verbal cues help convey meaning beyond spoken language and are often culturally influenced.Facial Expressions and Emotional RecognitionFacial expressions are among the most powerful and universal forms of non-verbal communication. Research has...
Non-Verbal Cues01:29

Non-Verbal Cues

Non-verbal communication extends beyond gestures and facial expressions to include vocal elements known as paralanguage. Paralanguage consists of non-verbal vocal cues such as pitch, loudness, speech rate, pauses, and non-verbal vocalizations like laughter, sighs, and moans. These elements not only accompany speech but also provide critical emotional and contextual information.The Role of Paralanguage in CommunicationParalanguage adds depth to spoken language by conveying emotions and...
Components of Language01:24

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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. “eh”). Phonemes combine to...
Lateralization01:28

Lateralization

Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.

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Related Experiment Video

Updated: Jun 8, 2026

Examining Gesture Production in the Presence of Communication Challenges
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Published on: January 26, 2024

Sign Languages: Contribution to Neurolinguistics from Cross-Modal Research.

Evie Malaia1, Ronnie Wilbur

  • 1Department of Speech, Language, and Hearing Sciences, Purdue University, Heavilon Hall, West Lafayette, IN 47907, USA.

Lingua. International Review of General Linguistics. Revue Internationale De Linguistique Generale
|October 19, 2010
PubMed
Summary

This study argues that both descriptive and formal analyses of sign language are crucial for understanding how the brain processes language. These methods help develop "neurolinguistic primitives" for brain-language research.

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Area of Science:

  • Linguistics
  • Neuroscience
  • Cognitive Science

Background:

  • Sign language research provides a unique lens for linguistic inquiry.
  • Existing research often focuses on either descriptive data or abstract analyses.

Purpose of the Study:

  • To advocate for an integrated approach combining descriptive and formal methods in sign language research.
  • To establish the necessity of these combined approaches for developing neurolinguistic primitives.

Main Methods:

  • Utilizing sign language research as a case study.
  • Applying cross-linguistic descriptive data analysis.
  • Employing abstract (formal) linguistic analysis.

Main Results:

  • Demonstrates the complementary nature of descriptive and formal analyses.
  • Highlights the importance of both approaches for advancing neurolinguistic understanding.

Conclusions:

  • An integrated approach is essential for uncovering the neural basis of language.
  • This framework facilitates the investigation of how human languages are instantiated in the brain.