Browsing Bergen Open Research Archive by Author "Holsten, Fred"
Now showing items 1-3 of 3
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Actigraphic registration of motor activity reveals a more structured behavioural pattern in schizophrenia than in major depression
Berle, Jan Øystein; Hauge, Erik R.; Ødegaard, Ketil Joachim; Holsten, Fred; Fasmer, Ole Bernt (Peer reviewed; Journal article, 2010-05-27)Background: Disturbances in motor activity pattern are seen in both schizophrenia and depression. However, this activity has rarely been studied objectively. The purpose of the present study has been to study the complexity ... -
Increased Health Risk in Subjects with High Self-Reported Seasonality
Øyane, Nicolas Melchior Frederic; Ursin, Reidun; Pallesen, Ståle; Holsten, Fred; Bjorvatn, Bjørn (Peer reviewed; Journal article, 2010-03-03)Background: Seasonal variations in mood and behaviour, termed seasonality, are commonly reported in the general population. As a part of a large cross-sectional health survey in Hordaland, Norway, we investigated the ... -
Nonlinear Analysis of Motor Activity Shows Differences between Schizophrenia and Depression: A Study Using Fourier Analysis and Sample Entropy
Hauge, Erik R.; Berle, Jan Øystein; Ødegaard, Ketil Joachim; Holsten, Fred; Fasmer, Ole Bernt (Peer reviewed; Journal article, 2011-01-28)The purpose of this study has been to describe motor activity data obtained by using wrist-worn actigraphs in patients with schizophrenia and major depression by the use of linear and non-linear methods of analysis. Different ...