Night-day-night sleep-wakefulness monitoring by ambulatory integrated circuit memories.

Abstract:

:A medium-sized portable digital recorder with fully integrated circuit (IC) memories for sleep monitoring has been developed. It has five amplifiers for EEG, EMG, EOG, ECG, and a signal of body acceleration or respiration sound, four event markers, an 8 ch A/D converter, a digital signal processor (DSP), 192 Mbytes IC flash memories, and batteries. The whole system weighs 1200 g including batteries and is put into a small bag worn on the subject's waist or carried in their hand. The sampling rate for each input channel is programmable through the DSP. This apparatus is valuable for continuously monitoring the states of sleep-wakefulness over 24 h, making a night-day-night recording possible in a hospital, home, or car.

authors

Yamamoto M,Nakao M,Katayama N,Waku M,Suzuki K,Irokawa K,Abe M,Ueno T

doi

10.1046/j.1440-1819.1999.00526.x

subject

Has Abstract

pub_date

1999-04-01 00:00:00

pages

171-3

issue

2

eissn

1323-1316

issn

1440-1819

journal_volume

53

pub_type

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