Phasic visual alertness in Alzheimer's disease and ageing.

  title={Phasic visual alertness in Alzheimer's disease and ageing.},
  author={Andrea Tales and Janice L. Muir and Antony Bayer and Roy A. L. Jones and Robert J. Snowden},
  volume={13 18},
An individual's ability to see and react quickly to a target stimulus is enhanced if they are alerted to the arrival of this target by a stimulus that occurs just prior in time to it. This alerting effect is thought to occur due to a phasic increase in alertness mediated by noradrenergic activity. In Alzheimer's disease (AD) there is a dysfunction in the noradrenergic system resulting in a decrease in central levels of noradrenaline. We therefore predicted that patients with AD would not be… CONTINUE READING

From This Paper

Figures, tables, and topics from this paper.
9 Citations
4 References
Similar Papers


Publications citing this paper.
Showing 1-9 of 9 extracted citations


Publications referenced by this paper.
Showing 1-4 of 4 references

Acknowledgements:This project was fundedby an Alzheimer’s Society Research Fellowship to A.T

  • Dr Jill Mann, Deborah Howcroft, Jo Waring, Trina
  • Hackley SA and Valle-Inclan F. Nature 391,
  • 1998
1 Excerpt

Interaction of arousal and selection in the posterior attention network

  • MI Posner
  • Attention , Selection , Awareness and Control : A…
  • 1993

Interaction of arousal and selection in the posterior attention network. In: Baddeley A and Weiskrantz L (eds). Attention, Selection, Awareness and Control: A Tribute to Donald Broadbent

  • MI Posner
  • 1993

Chronometric Explorations of Mind

  • NI Posner
  • 1986
1 Excerpt

Similar Papers

Loading similar papers…