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Related Concept Videos

Higher Mental Functions of the Brain: Language01:10

Higher Mental Functions of the Brain: Language

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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.
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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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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Neuroplasticity01:01

Neuroplasticity

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Neuroplasticity reflects the brain's remarkable capacity to adapt and evolve, responding dynamically to learning, experiences, or injury by reorganizing its neural circuitry. This reorganization involves creating new neural connections and refining old ones through a series of biological processes that contribute to the brain's lifelong development and adaptability.
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Lateralization01:28

Lateralization

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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 25, 2025

Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
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Remapping and Reconnecting the Language Network after Stroke.

Victoria Tilton-Bolowsky1, Melissa D Stockbridge1, Argye E Hillis1

  • 1Departments of Neurology, Physical Medicine & Rehabilitation, and Cognitive Science, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.

Brain Sciences
|May 25, 2024
PubMed
Summary
This summary is machine-generated.

The right hemisphere supports language in healthy individuals and aids recovery in post-stroke aphasia. Interventions targeting right-hemisphere potentiation and neuroplasticity are crucial for aphasia rehabilitation.

Keywords:
aphasiaconnectivitylanguage networksmechanisms of recoverystroke

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Area of Science:

  • Neuroscience
  • Neurolinguistics
  • Rehabilitation Medicine

Background:

  • The right hemisphere plays a role in language processing, even in neurotypical individuals.
  • Individuals with post-stroke aphasia show activation in right-hemisphere regions during language tasks.

Purpose of the Study:

  • To review literature on right-hemisphere language function in neurotypical and aphasic individuals.
  • To propose a model for language recovery in post-stroke aphasia centered on right-hemisphere potentiation.
  • To suggest neuroplasticity-based interventions for aphasia rehabilitation.

Main Methods:

  • Literature review of studies on neurotypical and post-stroke aphasia language processing.
  • Analysis of evidence supporting right-hemisphere involvement in language recovery.
  • Review of intervention studies employing right-hemisphere potentiation.

Main Results:

  • Right-hemisphere regions homologous to the left-hemisphere language network are activated in language tasks.
  • Language recovery in aphasia involves potentiating right-hemisphere networks and modulating inter-hemispheric connections.
  • Interventions like Hebbian learning and neuroplasticity augmentation show promise.

Conclusions:

  • Language recovery in post-stroke aphasia is significantly supported by the right hemisphere.
  • Interventions should focus on enhancing right-hemisphere language networks and their connections.
  • Further research and application of these rehabilitation strategies are warranted.