Medizinische Universität Graz - Research portal
Selected Publication:
SHR Neuro Cancer Cardio Lipid Metab Microb
Dax, JF; Müller-Putz, GR; Pfurtscheller, K; Urlesberger, B; Müller, W; Pfurtscheller, G.
Semiautomatic procedure for the investigation of synchronized activity of EEG and heart rate--examination of preterm births
Biomed Tech (Berl). 2005; 50(1-2):19-24
Doi: 10.1515/BMT.2005.004
Web of Science
PubMed
FullText
FullText_MUG
- Co-authors Med Uni Graz
- Müller Wilhelm
- Pfurtscheller Klaus
- Urlesberger Berndt
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- Abstract:
- Recordings of the electroencephalogram (EEG) and of the heart rate variability (HRV) of preterm neonates can give important information on the actual state of the nervous system. Both signals, EEG and HRV, are affected by parameters such as gestational age, stage of maturation and behavioral state. This work describes a method for automatic detection of slow wave EEG-bursts and a tool to average changes in the EEG and the corresponding heart rate. The detection is based on the hjorth activity (HA), calculated from the EEG. HA spikes (HAS) are identified by the determination of the beginning and end of existing spikes. HAS maxima and the time between two consecutive HAS are the basis for the triggering of the bursts. EEG power and time synchronized HR changes are averaged with a time window length of 20 s. Resultant, HR increase and duration are determined. These parameters, obtained by the automatic detection, proved to be comparable to the results of an expert.
- Find related publications in this database (using NLM MeSH Indexing)
- Algorithms -
- Artificial Intelligence -
- Brain - physiology
- Diagnosis, Computer-Assisted - methods
- Electrocardiography - methods
- Electroencephalography - methods
- Female -
- Heart Rate - physiology
- Humans -
- Male -
- Pattern Recognition, Automated - methods
- Reproducibility of Results -
- Sensitivity and Specificity -
- Find related publications in this database (Keywords)
- electroencephalogram (EEG)
- heart rate (HR)
- heart rate variability (HRV)
- preterm neonates