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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...
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.
Visual Agnosia01:12

Visual Agnosia

Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round end"...
Prosopagnosia01:24

Prosopagnosia

Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
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.
Learning Disabilities01:25

Learning Disabilities

Learning disabilities are cognitive disorders caused by neurological impairments that affect cognitive functions like language and reading, without indicating overall intellectual or developmental challenges. These disabilities differ from global intellectual or developmental disabilities as they are limited to distinct cognitive functions. Common learning disabilities include dysgraphia, dyslexia, and dyscalculia, each of which impacts unique aspects of learning.
Dyslexia
Dyslexia is a...

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Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

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Same author

Interpretation of spelling disorders in aphasia: impact of recent developments in cognitive psychology.

Advances in neurology·1984
Same author

Phonological spelling.

The Quarterly journal of experimental psychology. A, Human experimental psychology·1983
Same author

Analysis and remediation of aphasia in the U.S.S.R: the contribution of A. R. Luria.

The Journal of speech and hearing disorders·1981
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Aspects of agrammatism in aphasia.

Language and speech·1979
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Object naming in aphasics--the lack of effect of context or realism.

Neuropsychologia·1977
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Phonological patterns in a case of aphasia.

Language and speech·1975

Related Experiment Video

Updated: Jul 20, 2026

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment
06:48

Lexical Decision Task for Studying Written Word Recognition in Adults with and without Dementia or Mild Cognitive Impairment

Published on: June 25, 2019

Visual and phonological factors in acquired dysgraphia.

F M Hatfield

    Neuropsychologia
    |January 1, 1985
    PubMed
    Summary

    This study examines the spelling strategies of a patient with severe aphasia, revealing a significant reliance on visual word forms and non-linear letter sequencing. Findings suggest a multi-strategy approach involving both visual and phonological factors.

    Area of Science:

    • Neuropsychology
    • Linguistics
    • Cognitive Science

    Background:

    • Investigates written spelling in severe aphasia.
    • Explores the role of visuo-spatial representations in spelling errors.

    Observation:

    • Patient exhibited non-linear letter ordering and nonlinear spelling.
    • Visual word contours influenced spelling behavior.

    Findings:

    • Strong evidence for visuo-spatial factors in spelling to dictation.
    • Phonological factors also played a minor role in the patient's strategy.
    • Patient utilized a multi-strategy approach to written spelling.

    Implications:

    • Discusses a multi-strategy approach to spelling based on an information-flow model.

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    Last Updated: Jul 20, 2026

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  • Suggests potential for consolidating phonological systems in aphasia re-education plans.