aphasia

Aphasia, also known as dysphasia, is an impairment in a person's ability to comprehend or formulate language because of dysfunction in specific brain regions. The major causes are stroke and head trauma; prevalence is hard to determine, but aphasia due to stroke is estimated to be 0.1–0.4% in developed countries. Aphasia can also be the result of brain tumors, epilepsy, autoimmune neurological diseases like multiple sclerosis, infection of the brain, or neurodegenerative diseases like dementias.

AI overview

Aphasia is a language disorder caused by damage to specific brain regions, resulting in difficulty understanding or producing language; it most commonly occurs after a stroke or head injury, though brain tumors, infections, and degenerative diseases can also cause it. Understanding aphasia matters because it affects a person's ability to communicate, and recognizing its various causes helps identify when someone may need medical evaluation and appropriate support.

AI-generated from the Wikipedia summary — may contain errors.

Key facts

Medical condition.name: Aphasia
Medical condition.image: Aphasia.png
Medical condition.caption: Regions of the left hemisphere that can give rise to aphasia when damaged
Medical condition.field: Neurology, Psychiatry
Medical condition.pronounce: , or
Medical condition.treatment: Sign language, speech therapy

via Wikipedia infobox

Research

23,567 papers

Primary progressive aphasia: a clinical approach.ReviewJournal of neurology · 2018Marshall CR, Hardy CJD, Volkmer A et al.DOI: 10.1007/s00415-018-8762-6
Primary Progressive Aphasia and Stroke Aphasia.ReviewContinuum (Minneapolis, Minn.) · 2018Grossman M, Irwin DJDOI: 10.1212/CON.0000000000000618
Poststroke aphasia : epidemiology, pathophysiology and treatment.ReviewDrugs & aging · 2005Berthier MLDOI: 10.2165/00002512-200522020-00006
Subcortical Aphasia.ReviewCurrent neurology and neuroscience reports · 2021Radanovic M, Almeida VNDOI: 10.1007/s11910-021-01156-5
Behavioral interventions for poststroke aphasia.ReviewHandbook of clinical neurology · 2022Cherney LR, Carpenter JDOI: 10.1016/B978-0-12-823384-9.00010-4
[Aphasia].ReviewLa Clinica terapeutica · 2004Costantino S, Sgambato E, Spoto S
Aphasia--the hidden disability.ReviewDental update · 2012Orchardson RDOI: 10.12968/denu.2012.39.3.168
Vascular syndromes: Revisiting classification of poststroke aphasia.ReviewHandbook of clinical neurology · 2022Bunker LD, Hillis AEDOI: 10.1016/B978-0-12-823384-9.00002-5

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Wikidata facts

Show 4 more facts

ICPC 2 ID: N19
exact match: purl.obolibrary.org/obo/SYMP_0000508
NCI Thesaurus ID: C34393
Commons category: Aphasia

Sources (6)

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~51 min read

Article

26 sections

Contents

Signs and symptoms
Related behaviors
Subcortical
Cognitive deficits
Causes
Diagnosis
Neuroimaging methods
Classification
Boston classification
Classical-localizationist approaches
Cognitive neuropsychological approaches
Progressive aphasias
Deaf aphasia
Severity
Prevention
Management
Individualized service delivery
Outcomes
Prevalence
History
Etymology
Further research
See also
Notes
References
External links

To be diagnosed with aphasia, a person's ability to produce and/or comprehend written and/or spoken language must be significantly impaired. In the case of progressive aphasia, this impairment progresses slowly with time.