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.
journal_name
Psychiatry Clin Neuroscijournal_title
Psychiatry and clinical neurosciencesauthors
Yamamoto M,Nakao M,Katayama N,Waku M,Suzuki K,Irokawa K,Abe M,Ueno Tdoi
10.1046/j.1440-1819.1999.00526.xsubject
Has Abstractpub_date
1999-04-01 00:00:00pages
171-3issue
2eissn
1323-1316issn
1440-1819journal_volume
53pub_type
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