Journal
GERIATRIE ET PSYCHOLOGIE NEUROPSYCHIATRIE DE VIEILLISSEMENT
Volume 21, Issue 1, Pages 107-115Publisher
JOHN LIBBEY EUROTEXT LTD
DOI: 10.1684/pnv.2023.1080
Keywords
Alzheimer's disease; apathy; assessment methods; awareness; depression
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Impaired awareness in patients with Alzheimer's Disease (AD) increases dependence and burden on caregivers, but clinical evaluation of this symptomatology remains inadequate. The three main assessment methods, patient-caregiver discrepancy, clinician rating, and performance discrepancy methods, have limited impact due to lack of validated evaluation tools, leading to contrasting results. Recent studies show positive correlations between impaired awareness and apathy and AD severity, and negative relationships with depressive symptoms. Therefore, impaired awareness is mainly influenced by patient's depression and apathy. The shared aspects of apathy and impaired awareness are discussed from neuroanatomical, clinical, and conceptual perspectives, along with the relevance and limitations of quantitative and qualitative assessment methods, particularly phenomenological.
Impaired awareness increases dependency of patients suffering from Alzheimer's Disease (AD) and caregivers' burden but remains insufficiently evaluated in clinical practice. The numerous conceptualisations of this symptomatology (anosognosia, denial, insight.) have only a slight impact on the three main assessment methodologies which are: the patient-caregiver discrepancy; the clinician rating of patients' awareness of illness; and the prediction of performance discrepancy methods. Nevertheless, most of evaluating tools are not validated yet, in particular regarding the clinician rating, leading to contrasted results. Most of recent studies reported positive correlations with apathy and AD severity, and negative relationships with depressive symptoms. Therefore, impaired awareness seems to be mainly influenced by patient's depression and apathy. We discuss these correlates and shared aspects of apathy and impaired awareness from neuroanatomical, clinical and conceptual viewpoints. We also highlight the relevance and limits of quantitative and qualitative assessment methods, in particular phenomenological.
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