Cited by 56Neurobiology of Language and BilingualismDementia and Cognitive Impairment ResearchReading and Literacy Development

Effects of cholinergic blockade on language in healthy young women: Implications for the cholinergic hypothesis in dementia of the Alzheimer type

Aarsland, D., Larsen, J. P., Reinvang, I., Aasland, A. M.·1994·Brain

Abstract

To investigate the effect of cholinergic blockade on language, 22 healthy young women performed tests of reading, spelling and oral language after a subcutaneous injection of 0.4 or 0.6 mg scopolamine. The results were compared with the performance after 0.6 mg methylscopolamine, which produce no central cholinergic effects. The reading and spelling tests were constructed to evaluate the lexical and phonological strategies for reading and spelling of single words. After scopolamine there were dose-dependent impairments in reading, spelling, verbal fluency and object naming. In 25-60% of the subjects receiving 0.6 mg scopolamine there were clinically significant impairments on tests assessing the lexical and phonological strategies. This pattern is similar to the deficits in reading and spelling observed in patients with dementia of the Alzheimer type. Cholinergic loss may be associated with the language impairments found in dementia of the Alzheimer type.

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Crossref · 10.1093/brain/117.6.1377

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  • The degree to which acute mAChR blockade models such dementias seems rather impressive.

    “In light of these considerations, the degree to which acute mAChR blockade models such dementias seems rather impressive (see also Christensen et al, 1992; Aarsland et al, 1994; Broks et al, 1988).”

    From Modes and models of forebrain cholinergic neuromodulation of cognition (2011) · cites this paper as Aarsland et al, 1994

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Authors
Aarsland, D., Larsen, J. P., Reinvang, I., & Aasland, A. M.
Affiliations
  • Oslo University Hospital (NO)
  • Stavanger University Hospital (NO)
Corresponding author
Aarsland, D.
Venue
Brain
Published
1994
Volume
117
Issue
6
Pages
1377-1384
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2277349765
Cited by
56
References
0
Citations by year
2023: 1 · 2022: 4 · 2021: 1 · 2020: 1 · 2019: 2 · 2018: 1 · 2017: 1 · 2016: 3 · 2015: 2 · 2014: 1 · 2013: 2 · 2012: 1
FWCI
1.72
Type
journal article
Language
en
Open access
closed
Locations
  • Brain (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neurobiology of Language and Bilingualism
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Social Sciences › Psychology › Developmental and Educational Psychology › Reading and Literacy Development
Keywords
cholinergic blockade, scopolamine, methylscopolamine, language, reading, spelling, verbal fluency, object naming, lexical strategies, phonological strategies, Alzheimer's disease
MeSH terms
Acetylcholine, Adult, Alzheimer Disease, Female, Humans, Language Disorders, Language Tests, Scopolamine, Cholinergic Antagonists

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