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Träfflista för sökning "WFRF:(Wahlund Björn) srt2:(2010-2014)"

Search: WFRF:(Wahlund Björn) > (2010-2014)

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1.
  • Liberg, Benny, et al. (author)
  • Motor imagery in bipolar depression with slowed movement.
  • 2013
  • In: The Journal of nervous and mental disease. - 1539-736X. ; 201:10, s. 885-93
  • Journal article (peer-reviewed)abstract
    • We hypothesized that motor retardation in bipolar depression is mediated by disruption of the pre-executive stages of motor production. We used functional magnetic resonance imaging to investigate neural activity during motor imagery and motor execution to elucidate whether brain regions that mediate planning, preparation, and control of movement are activated differently in subjects with bipolar depression (n = 9) compared with healthy controls (n = 12). We found significant between-group differences. During motor imagery, the patients activated the posterior medial parietal cortex, the posterior cingulate cortex, the premotor cortex, the prefrontal cortex, and the frontal poles more than the controls did. Activation in the brain areas involved in motor selection, planning, and preparation was altered. In addition, limbic and prefrontal regions associated with self-reference and the default mode network were altered during motor imagery in bipolar depression with motor retardation.
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2.
  • Wahlund, Björn, et al. (author)
  • EEG data, fractal dimension and multivariate statistics
  • 2010
  • In: Journal of Computer Science and Engineering. - 2043-9091. ; 3:1, s. 10-16
  • Journal article (peer-reviewed)abstract
    • The objective of this paper is to discuss the concept of Inverse Problem, i.e. how to obtain information via data about a complex mathematical model. We propose that by merging ideas from applied mathematics with ideas from multivariate statistical inference it is possible to find solutions or good approximation of many complex scientific problems.
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