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J Neurodegener Dis. 2013;2013:854643. doi: 10.1155/2013/854643. Epub 2012 Sep 04.

Evaluative Conditioning with Facial Stimuli in Dementia Patients.

Journal of neurodegenerative diseases

Andreas Blessing, Jacqueline Zöllig, Roland Weierstall, Gerhard Dammann, Mike Martin

Affiliations

  1. Department of Psychology-Gerontopsychology, University of Zürich, Binzmühlestrasse 14/24, 8050 Zürich, Switzerland ; Psychiatric Clinic of Müensterlingen, P.O. Box 154, 8596 Müensterlingen, Switzerland.
  2. Department of Psychology-Gerontopsychology, University of Zürich, Binzmühlestrasse 14/24, 8050 Zürich, Switzerland.
  3. Department of Psychology-Clinical Psychology and Neuropsychology, University of Konstanz, P.O. Box 23/25, 78457 Konstanz, Germany.
  4. Psychiatric Clinic of Müensterlingen, P.O. Box 154, 8596 Müensterlingen, Switzerland.

PMID: 26316999 PMCID: PMC4437290 DOI: 10.1155/2013/854643

Abstract

We present results of a study investigating evaluative learning in dementia patients with a classic evaluative conditioning paradigm. Picture pairs of three unfamiliar faces with liked, disliked, or neutral faces, that were rated prior to the presentation, were presented 10 times each to a group of dementia patients (N = 15) and healthy controls (N = 14) in random order. Valence ratings of all faces were assessed before and after presentation. In contrast to controls, dementia patients changed their valence ratings of unfamiliar faces according to their pairing with either a liked or disliked face, although they were not able to explicitly assign the picture pairs after the presentation. Our finding suggests preserved evaluative conditioning in dementia patients. However, the result has to be considered preliminary, as it is unclear which factors prevented the predicted rating changes in the expected direction in the control group.

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