Nonlinear indices of circadian changes in individuals with dementia and aggression

被引：10

作者：

Etcher, LuAnn ^{[1
]}

Whall, Ann ^{[2
]}

Kumar, Rahul ^{[3
]}

Devanand, Davangere ^{[4
]}

Yeragani, Vikram ^{[5
]}

机构：

[1] Wayne State Univ, Coll Nursing, Detroit, MI 48202 USA

[2] Oakland Univ, Sch Nursing, Rochester Hills, MI USA

[3] Univ Zurich Hosp, Dept Intervent Neuroradiol, CH-8091 Zurich, Switzerland

[4] Columbia Univ, Coll Phys & Surg, New York, NY USA

[5] Wayne State Univ, Sch Med, Detroit, MI USA

来源：

PSYCHIATRY RESEARCH | 2012年 / 199卷 / 01期

关键词：

Dementia behaviors; Nonlinear analyses; Circadian motoric control; NURSING-HOME RESIDENTS; REGULARITY; MELATONIN; BEHAVIOR; SLEEP;

D O I：

10.1016/j.psychres.2012.03.042

中图分类号：

R749 [精神病学];

学科分类号：

100205 ;

摘要：

Nonlinear analyses of actigraphy data were utilized to investigate circadian rest-activity system motor control in nursing-home residents with dementia and with/without aggressive behavior (AB). Significant differences observed between groups in measures of approximate entropy (ApEn) and fractal dimension (FD). ApEn and FD are sensitive to detecting and characterizing discrete changes in central motoric control and temporality of behaviors in dementia. Findings may inform understanding of clinical heterogeneity and possible physiologic sub-classifications of Alzheimer's dementia. (C) 2012 Elsevier Ireland Ltd. All rights reserved.

引用

页码：77 / 78

页数：2

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