Olfactory detection and identification performance are dissociated in early Alzheimer's disease.

@article{Koss1988OlfactoryDA,
  title={Olfactory detection and identification performance are dissociated in early Alzheimer's disease.},
  author={Elizabeth Koss and James M. Weiffenbach and James V. Haxby and Robert P Friedland},
  journal={Neurology},
  year={1988},
  volume={38 8},
  pages={1228-32}
}
Ten carefully screened men with very mild symptoms of Alzheimer's disease (AD) and ten healthy controls of similar age were compared on multiple chemosensory tasks: odor detection and identification, and taste detection. The patients scored significantly worse than controls on identification of odors and of a subset of airborne stimuli providing trigeminal stimulation. In contrast, the patients' olfactory detection thresholds as well as taste detection thresholds were not impaired relative to… CONTINUE READING

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