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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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Higher Mental Functions of the Brain: Language01:10

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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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Interference and Decay01:16

Interference and Decay

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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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Introduction to Language of Pathophysiology l01:25

Introduction to Language of Pathophysiology l

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Pathophysiology investigates how biological mechanisms—typically starting at the cellular level—disrupt normal bodily functions. It bridges anatomy and physiology to explain the progression of disease. With this foundation, it is important to understand the following key terms used to describe disease processes: Diagnosis:The process of identifying a disease using clinical evaluation, including signs (objective evidence like rashes), symptoms (subjective experiences like...
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Concepts and Prototypes01:24

Concepts and Prototypes

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The human nervous system handles vast amounts of information by translating sensory stimuli into neural impulses, which the brain processes, creating thoughts expressed through language or stored as memories. The brain also synthesizes information from emotions and memories, which significantly influence thoughts and behaviors. This intricate process creates a comprehensive mental picture.
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Introduction to Language of Pathophysiology ll01:17

Introduction to Language of Pathophysiology ll

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This lesson explores key terms that describe how diseases progress, their outcomes, and their distribution in populations.Diagnostic tests identify diseases and monitor treatment. These include blood and urine tests, biopsies, imaging (X-ray, MRI), and detection of infectious agents.Remission is a reduction or disappearance of symptoms.Exacerbation refers to the worsening of symptoms, such as increased wheezing during an asthma attack.A precipitating factor triggers an acute episode, while a...
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Related Experiment Video

Updated: Apr 28, 2026

Transcranial Direct Current Stimulation tDCS of Wernicke's and Broca's Areas in Studies of Language Learning and Word Acquisition
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Aphasia: Current Concepts in Theory and Practice.

Donna C Tippett1, John K Niparko2, Argye E Hillis3

  • 1Department of Neurology, Johns Hopkins University School of Medicine, USA.

Journal of Neurology & Translational Neuroscience
|June 7, 2014
PubMed
Summary

Neuroimaging advances enhance understanding of language in the brain. New therapies, including cortical stimulation, show promise for aphasia rehabilitation, focusing on neuroplasticity and personalized care.

Keywords:
aphasiadorsal and ventral streamsneuroanatomyrehabilitationstroke

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Related Experiment Videos

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Area of Science:

  • Neuroscience
  • Cognitive Science
  • Linguistics

Background:

  • Neuroimaging provides new insights into brain-behavior relationships and language's functional neuroanatomy.
  • Modern language models involve complex networks, and aphasia is increasingly viewed as a disruption of underlying cognitive processes.

Purpose of the Study:

  • To review the historical context of neuroscientific approaches to language.
  • To discuss emergent theoretical models of language's neural substrates and aphasia.
  • To examine current aphasia rehabilitation strategies, including novel techniques.

Main Methods:

  • Literature review of neuroimaging, theoretical models, and rehabilitation techniques.
  • Discussion of dual stream networks and cognitive processes in language.
  • Exploration of repetitive transcranial magnetic stimulation (rTMS) and transcranial direct current stimulation (tDCS).

Main Results:

  • Refined understanding of language's neural substrates and cognitive underpinnings of aphasia.
  • Emerging theoretical models offer nuanced perspectives on language processing.
  • Cortical stimulation techniques show potential as adjuncts to behavioral therapy.

Conclusions:

  • Aphasia rehabilitation is evolving towards evidence-based, person-centered approaches.
  • Principles of neuroplasticity guide therapeutic strategies for optimizing functional outcomes.
  • Cortical stimulation represents a promising frontier in aphasia treatment.