Sleeplaboratory at Aalborg University in action
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Sleeplaboratory at Aalborg University in action |
Methods for automatic sleep analysis and diagnosis have been point of
focus for some years now.
One of the outcomes of this was the devellopment of the sleep analyser:
The
Nightingale Polygraphic Sleep Analyser .
The department is equipped with a sleep lab with facillities for digital polygraphic recordings and analysis. This laboratorium is solely used for research.
In collaboration with a.o. Aalborg Hospital a large number of clinical
oriented reseach projects using digital home-recordings has taken place.
Methods for analysis of the sleep microstructure have been develloped and
used in analysis of the sleep microstructure in chronic pain disorders.
At present experimental research is done in the effort to establish knowledge of the interaction between sleep and pain and the effect of sleep deprivation on pain tolerence etc.
The department is an associate partner in the EU-Biomed II project called SIESTA which is an "acronym" for: A New Standard for Integrating Polygraphic Sleep Recordings into a Comprehensive Model of Human Sleep and its Validation in Sleep Disorders. The SIESTA project runs from September 1997 to September 2000.
The Sleep Analysis Group at AAU:
Associate professor Kim Dremstrup
Nielsen, MScEE, PhD
Cuno Rasmussen, MScEE
Taro Arima, PhD
Asbjørn M. Drewes, MD, PhD
European Sleep Research Society
Decision
support in Neurology and Sleep
AAU particpates as an associated partner in the European Neurological Network (ENN). The project is running under EU's 4´th framework program in telematics. ENN is working within the three neurological domains: Sleep, epilepsy and headache. One of the tasks in ENN is development of a neurological database with acces via the internet. One of the purpose of this is development and validation of new decision suport systems to improve the capacity and quality of the diagnosis procedures. Another task in ENN is development of multimedia tutorial systems for teaching of GP's and and hospital physicians within the three mentioned domains.
The Diagnostic Headache Diary has been develloped in cooperation with Dr. Michael Russell, Rigshospitalet, Copenhagen. This decision support system is a part of the ENN Headcahe Tutorial System., a prototype of a multimedia tool for training of Neurologists.
Together with PhD student Cuno Rasmussen he is working on methods for decision support in the domain of sleep disorders.
Brain Computer Interface / Motor Control
Human computer interfacing is typically done using a keyboard or a mouse
or in specially advanced cases by speech.
For some disabled people this might not be available options. This
project will investigate the utilisation of the brain signals –
the electroencephalogram (EEG) for brain computer interfacing.
Every planned movement of e.g. the limbs is controlled by the motor
cortex and other parts of the brain. The EEG
recorded over these parts of the brain therefor contain coded information
about these movements even though the
signals are small and hidden in “noise”. This information is referred
to as event-related desynchronisations (ERDs)
and is reported to occur especially in the alpha-band (mu-rythm).
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