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SPONTANEOUS EYE-BLINK RATES AND DOPAMINERGIC SYSTEMS
Abstract
A series of studies demonstrated a possible relationship between eye-blink rate and central dopamine activity. First, apomorphine and other dopamine agonists acutely increased blink rate in monkeys, an effect blocked by sulpiride. Secondly, parkinsonian patients with levodopa-induced dyskinesia exhibited twice the mean blink rate (21 blinks/min) of other parkinsonians (11 blinks/min, P less than 0.002) whereas the more symptomatic of the nondyskinetic patients had a very slow rate (3 blinks/min, P less than 0.01). Thirdly, schizophrenic patients had an elevated mean blink (31 vs 23 blinks/min for normals, P less than 0.05) which was normalized by neuroleptic treatment. Thus, the correlation with central dopamine activity may also prove clinically useful in selected neuropsychiatric disorders.
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Cited by
Eyeblink-based Anti-Spoofing in Face Recognition from a Generic Webcamera
Pan, G., Sun, L., Wu, Z., & Lao, S. (2007) · 2007 IEEE 11th International Conference on Computer Vision · doi:10.1109/iccv.2007.4409068 · Cited by 658
Analysis of blink rate patterns in normal subjects
Bentivoglio, A. R., Bressman, S. B., Cassetta, E., Carretta, D., Tonali, P., & Albanese, A. (1997) · Movement Disorders · doi:10.1002/mds.870120629 · Cited by 512
Anorexia nervosa and obesity are associated with opposite brain reward response
Frank, G. K. W., Reynolds, J. R., Shott, M. E., Jappe, L., Yang, T. T., Tregellas, J. R., & O'Reilly, R. C. (2012) · Neuropsychopharmacology · doi:10.1038/npp.2012.51 · Cited by 311
Doughty, M. J. (2001) · Optometry and Vision Science · doi:10.1002/j.1538-9235.2001.tb01355.x · Cited by 295
Goschke, T., & Bolte, A. (2014) · Neuropsychologia · doi:10.1016/j.neuropsychologia.2014.07.015 · Cited by 288
Metadata
- Authors
- KARSON, C. N.
- Venue
- Brain
- Publisher
- Oxford University Press (OUP)
- Published
- 1983
- Volume
- 106
- Issue
- 3
- Pages
- 643-653
- ISSN
- 0006-8950 (ISSN-L)
- 1460-2156
- OpenAlex
- W2137359389
- Cited by
- 514
- References
- 0
- FWCI
- 5.78
- Type
- journal article
- Language
- en
- Open access
- closed
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