The effects of behavioral and psychological symptoms on caregiver burden in frontotemporal dementia, Lewy body dementia, and Alzheimer's disease: clinical experience in China
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Bibliographic record
Abstract
BACKGROUND AND AIMS: Caregivers of individuals with neurodegenerative diseases, including frontotemporal dementia (FTD), Lewy body dementia (DLB), and Alzheimer's disease (AD), experience high levels of psychological and physical stress, likely due to behavioral and psychological symptoms of dementia (BPSD). This study is the first to simultaneously evaluate the effects of BPSD on caregiver burden in these three types of dementia. METHOD: A total of 214 dementia patients, including probable FTD (n = 82), DLB (n = 22), and AD (n = 110), as well as their primary caregivers, were assessed using psychological inventories and cognitive evaluation. The FTD group was further divided into the three established clinical variants: behavioral variant frontotemporal dementia (bvFTD, n = 51), non-fluent variant primary progressive aphasia (nfvPPA, n = 15), and semantic variant primary progressive aphasia (svPPA, n = 16). Cognitive impairment and neuropsychiatric symptoms were assessed using the Mini Mental State Examination, Montreal Cognitive Assessment, Clock Drawing Test, and Neuropsychiatric Inventory (NPI), respectively. Caregiver burden was assessed using the Zarit Burden Inventory (ZBI). RESULTS: FTD patients had higher NPI and ZBI scores than DLB and AD patients, whose scores were similar. Logistic regression analysis revealed that the factors influencing caregiver burden for each group were: FTD: total NPI scores, agitation, and aberrant motor behavior; bvFTD: total NPI scores; DLB: total NPI scores; and AD: total NPI scores, onset age, apathy, and ADL. Caregivers of bvFTD patients had the highest levels of burden, which were significantly greater than for caregivers of nfvPPA, svPPA, DLB, and AD patients. CONCLUSION: BPSD was highly correlated with emotional burden in caregivers of FTD, DLB, and AD patients. The highest burden was observed in bvFTD caregivers.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it