Alzheimer patients show a sensitivity decrement over time on a tonic alertness task
- 1 December 1994
- journal article
- clinical trial
- Published by Taylor & Francis in Journal of Clinical and Experimental Neuropsychology
- Vol. 16 (6) , 851-860
- https://doi.org/10.1080/01688639408402698
Abstract
Tonic alertness was investigated in Alzheimer patients and normal elderly subjects. Sensitivity and criterion shifts were investigated across 45 min of continuous testing using a high event rate test with very low target probability. Alzheimer patients showed a significant sensitivity decrement over time that was unrelated to dementia severity. These results suggest that tonic alertness is impaired by Alzheimer's disease even in its early stages.Keywords
This publication has 25 references indexed in Scilit:
- A cancellation test: its reliability in assessing attentional deficits in Alzheimer's diseasePsychological Medicine, 1992
- Divided attention and metabolic brain dysfunction in mild dementia of the Alzheimer's typeNeuropsychologia, 1991
- THE DECLINE OF WORKING MEMORY IN ALZHEIMER'S DISEASEBrain, 1991
- Divided Attention, as Measured by Dichotic Speech Performance, in Dementia of the Alzheimer TypeArchives of Neurology, 1989
- Selective visual attention in Alzheimer's and Parkinson's patients: Memory- and data-driven controlNeuropsychologia, 1989
- Perceptual Attention in Aging and Dementia Measured by Gottschaldt's Hidden Figure TestJournal of Gerontology, 1988
- Controlled and automatic information processing in senile dementia: a reviewPsychological Medicine, 1986
- Visual Sustained Attention: Image Degradation Produces Rapid Sensitivity Decrement Over TimeScience, 1983
- Attention Dysfunction in Senile DementiaPsychological Reports, 1973
- Some problems in the theory of vigilance.Psychological Review, 1955