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Visual recognition memory differentiates dementia with Lewy bodies and Parkinson’s disease dementia
  1. Karl Mondon (karl.mondon{at}med.univ-tours.fr)
  1. CHRU Tours, France
    1. Alice Gochard
    1. CHRU Tours, France
      1. Aurélie Marqué
      1. CHRU Tours, France
        1. Audrey Armand
        1. CHRU Tours, France
          1. Dominique Beauchamp
          1. CHRU Tours, France
            1. Caroline Prunier
            1. CHRU Tours, France
              1. David Jacobi
              1. CHRU Tours, France
                1. Bertrand de Toffol
                1. CHRU Tours, France
                  1. Alain Autret
                  1. CHRU Tours, France
                    1. Vincent Camus
                    1. CHRU Tours, France
                      1. Caroline Hommet
                      1. CHRU Tours, France

                        Abstract

                        Objective: To compare cognitive impairments in Dementia with Lewy bodies (DLB) and Parkinson’s disease dementia (PDD), in order to discriminate the two entities.

                        Methods: 10 DLB and 12 PDD consecutive patients performed a neuropsychological battery designed to assess several cognitive domains: verbal and visual memory (DMS-48), language, gnosia, praxia, and executive functions.

                        Results: DLB patients have poorer performances in orientation (p<0.05), Trail Making Test A (p<0.05), and reading of names of colours in the Stroop test (p<0.05). Their scores were also lower in visual object recognition memory test (DMS-48), both in immediate (p<0.05) and delayed recognition (p<0.05). No differences were observed in the other tests.

                        Conclusion: Despite global similarities in cognitive performances between DLB and PDD patients, we observed important differences : in particular, DMS-48, a test of visual object recognition memory and visual storage capacity, is poorer in DLB patients.

                        • lewy bodies dementia
                        • parkinson’s disease dementia
                        • visual object recognition memory

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