Memorability of photographs in subjective cognitive decline and mild cognitive impairment: Implications for cognitive assessment

Medientyp: E-Artikel
Titel: Memorability of photographs in subjective cognitive decline and mild cognitive impairment: Implications for cognitive assessment
Beteiligte: Bainbridge, Wilma A.; Berron, David; Schütze, Hartmut; Cardenas‐Blanco, Arturo; Metzger, Coraline; Dobisch, Laura; Bittner, Daniel; Glanz, Wenzel; Spottke, Annika; Rudolph, Janna; Brosseron, Frederic; Buerger, Katharina; Janowitz, Daniel; Fliessbach, Klaus; Heneka, Michael; Laske, Christoph; Buchmann, Martina; Peters, Oliver; Diesing, Dominik; Li, Siyao; Priller, Josef; Spruth, Eike Jakob; Altenstein, Slawek; Schneider, Anja; [...]
Erschienen: Wiley, 2019
Erschienen in: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
Umfang: 610-618
Sprache: Englisch
DOI: 10.1016/j.dadm.2019.07.005
ISSN: 2352-8729
Schlagwörter: Psychiatry and Mental health ; Neurology (clinical)
Zusammenfassung: <jats:title>Abstract</jats:title><jats:sec><jats:title>Introduction</jats:title><jats:p>Impaired long‐term memory is a defining feature of mild cognitive impairment (MCI). We tested whether this impairment is item specific, limited to some memoranda, whereas some remain consistently memorable.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>We conducted item‐based analyses of long‐term visual recognition memory. Three hundred ninety‐four participants (healthy controls, subjective cognitive decline [SCD], and MCI) in the multicentric DZNE‐Longitudinal Cognitive Impairment and Dementia Study (DELCODE) were tested with images from a pool of 835 photographs.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>We observed consistent memorability for images in healthy controls, SCD, and MCI, predictable by a neural network trained on another healthy sample. Looking at memorability differences between groups, we identified images that could successfully categorize group membership with higher success and a substantial image reduction than the original image set.</jats:p></jats:sec><jats:sec><jats:title>Discussion</jats:title><jats:p>Individuals with SCD and MCI show consistent memorability for specific items, while other items show significant diagnosticity. Certain stimulus features could optimize diagnostic assessment, while others could support memory.</jats:p></jats:sec>
Beschreibung: <jats:title>Abstract</jats:title><jats:sec><jats:title>Introduction</jats:title><jats:p>Impaired long‐term memory is a defining feature of mild cognitive impairment (MCI). We tested whether this impairment is item specific, limited to some memoranda, whereas some remain consistently memorable.</jats:p></jats:sec><jats:sec><jats:title>Methods</jats:title><jats:p>We conducted item‐based analyses of long‐term visual recognition memory. Three hundred ninety‐four participants (healthy controls, subjective cognitive decline [SCD], and MCI) in the multicentric DZNE‐Longitudinal Cognitive Impairment and Dementia Study (DELCODE) were tested with images from a pool of 835 photographs.</jats:p></jats:sec><jats:sec><jats:title>Results</jats:title><jats:p>We observed consistent memorability for images in healthy controls, SCD, and MCI, predictable by a neural network trained on another healthy sample. Looking at memorability differences between groups, we identified images that could successfully categorize group membership with higher success and a substantial image reduction than the original image set.</jats:p></jats:sec><jats:sec><jats:title>Discussion</jats:title><jats:p>Individuals with SCD and MCI show consistent memorability for specific items, while other items show significant diagnosticity. Certain stimulus features could optimize diagnostic assessment, while others could support memory.</jats:p></jats:sec>
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