Effort
Conditions
Interventions
None listed
Sponsors
Universiteit Maastricht
Eligibility
Age
18 Years to 99 Years
Inclusion criteria
Inclusion criteria: M. Parkinson: diagnosis according to the United Kingdom Parkinson*s Disease Society Brain Bank criteria.;Dementia: diagnosis of possible or probable Alzheimer*s disease according to NINCDS-ADRDA criteria. ;Mental competency to give informed consent. Mental competency as defined by the Dutch law (WGBO; Wet op Geneeskundige Behandel Overeenkomst) is determined by the medical specialist (psychiatrist, neurologist). ;Native Dutch speaker;A minimum of 8 years of formal schooling and no history of mental retardation
Exclusion criteria
Exclusion criteria: Mini Mental State Examination (MMSE)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The difference in performance on the following symptom validity tests: Test of Memory Malingering (TOMM), Dot Counting Test (DCT) and Structured Inventory of Malingering Symptoms (SIMS) between patients with and without apathy. For more detailed information on the symptom valdity tests, we refer to section 7.3 Study procedures (p.14-15) of the research protocol. | — |
Secondary
| Measure | Time frame |
|---|---|
| Relationship between the scores on TOMM, Dot Counting and SIMS and those on neuropsychological tests. The difference in cognitive complaints as measured with the Cognitive Failure Questionnaire (CFQ, see section 7.3, page 16, of the research protocol for more detailed information) between patients with and without apathy. | — |
Countries
Netherlands
Outcome results
None listed