National Sleep Research Resource|
4 April 2014 10:00:00 EDT
PhysioNet users with an interest in sleep physiology now have access to the web
site of the National Sleep
Research Resource (NSRR), which hosts large annotated collections of EDF
polysomnograms and related clinical data elements from well-characterized
research cohorts and clinical trials. The first data set available includes
over 8,000 studies from exams 1 and 2 of the Sleep Heart Health Study, with
scheduled new data releases every quarter from additional data sets. NSRR also
provides open-source software for viewing and analyzing these data.
6 March 2014 13:00:00 EST
A set of 310 ECGs from 90 volunteers has been created and contributed to
PhysioBank by Tatiana Lugovaya, who used the data in her master's thesis on the
topic of biometric human identification using the ECG. An excellent
summary of this
thesis, with a discussion of the challenges in using ECGs as biometrics,
and a comparison of the author's methods and results with those of three
previous studies, is also available.
ERP-based Brain-Computer Interface
4 March 2014 18:30:00 EST
This dataset, created and contributed by Luca Citi, Riccardo Poli, and
Caterina Cinel, was generated as part of a study aimed at identifying the
factors limiting the performance of brain-computer interfaces (BCIs) based on
event-related potentials (ERPs), in order to improve the transfer rate and the
usability of these interfaces. Twenty recordings of each of 10 participants
include annotated 64-channel EEGs and 4-channel EOGs, generated while the
participants focused on specified target characters displayed by a traditional
Motion Artifact Contaminated
fNIRS and EEG Data
3 March 2014 18:30:00 EST
This data collection, contributed to PhysioBank by Kevin Sweeney and colleagues
at the National University of Ireland in Maynooth, contains examples of
functional near-infrared spectroscopy (fNIRS) and electroencephalogram (EEG)
recordings that have been created for evaluating artifact removal methods. In
each such recording, one or two pairs of similar physiological signals have
been acquired from transducers in close proximity. One signal of each pair is
contaminated by motion artifact, documented in each case by simultaneously
recorded outputs of 3-axis accelerometers affixed to each transducer.
CTU-UHB Intrapartum Cardiotocography Database
18 February 2014 11:30:00 EST
This collection of 552 CTGs from the Czech Technical University (CTU) in Prague
and the University Hospital in Brno (UHB) was carefully selected from 9164
recordings recently collected at UHB. Each recording is up to 90 minutes long,
and includes a fetal heart rate time series, a uterine contraction signal, and
maternal, delivery, and fetal clinical details.
Simulated Fetal Phonocardiograms
30 January 2014 17:00:00 EST
A contribution of simulated fetal PCGs is now available in PhysioBank.
The synthetic PCGs exhibit a realistic range of signal-to-noise
ratios, with simulated maternal heart and organ sounds, fetal
movements, and environmental sounds.
Robust Detection of Heart Beats in Multimodal Data
7 January 2014 18:30:00 EST
The 15th annual PhysioNet/CinC Challenge is now underway.
Read the announcement, and study the training data set and a sample entry.
[ more ]