title: New approaches to physiological study by telemetry technology.
abstract: Telemetry technology offers possibility to observe physiological activity of animals in a nature state. In this paper, 24h physiologic signals of rats under different conditions were recorded. New indices for blood pressure evaluation were developed. Meanwhile, approaches to heart rate variability spectrum analysis, linear and non-linear analysis of electroencephalogram (EEG) were developed to estimate the activity of autonomic nervous system and central nervous system, respectively. The results demonstrate that the new parameters extracted from telemetry data may reveal more efficient information of physiological activity, which is impossible by conventional methods. The results also provide the evidence that the activity of central nervous system relates closely to the sympathovagal balance and the sympathetic activity.
authors.affiliation: Department of Biomedical Engineering, Key Laboratory of Biomedical Engineering of Ministry of Education, Zhejiang University, Hangzhou, China.
authors.forename: Gangmin
authors.initials: G
authors.lastname: Ning
authors.forename: Yan
authors.initials: Y
authors.lastname: Bai
authors.forename: Xiaoying
authors.initials: X
authors.lastname: Wang
authors.forename: Fangmin
authors.initials: F
authors.lastname: Yu
authors.forename: Xiaoxiang
authors.initials: X
authors.lastname: Zheng