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The technological platform applied is termed Database Supported Diagnostics (DSD). DSD requires a database of information about known cases. The information in the database is biological and health related data from groups of patients with known diseases as well as subjects that are deemed healthy with respect to the specific disease. Given such a database, contemporary multivariate statistical methods are applied in order to determine how well a given subject to be tested fits specific groups in the database. This is in many ways analogous to how an experienced medical doctor diagnoses a patient. The doctor looks for symptoms, (biological and health related data), and compares them to cases she or he has experienced or read about, (the database), which then leads to a diagnostic conclusion on his behalf, (statistical comparison to known cases). Such a technological platform has been developed for dementia, and then focusing in particular on Alzheimer’s disease. Electroencephalography (EEG) is sensitive to the state of the metabolism of the brain. A database of information has been gathered from healthy control subjects as well as from dementia patients. The underlying clinical trials were conducted according to good clinical practice in collaboration with the memory clinic of the Landspitali University Hospital in Iceland under the surveillance of Professor Jòn Snædal, Chief Physician for the memory clinic.
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