Johannes van den Berg

Summary

Affiliation: National Institute for Working Life
Country: Sweden

Publications

  1. ncbi Performance on a simple reaction time task while sleep deprived
    Johannes van den Berg
    Department of Work and the Physical Environment, National Institute of Working Life, Umea, Sweden
    Percept Mot Skills 102:589-99. 2006
  2. ncbi Electroencephalography and subjective ratings of sleep deprivation
    Johannes van den Berg
    Department of Work and the Physical Environment, National Institute for Working Life, Box 7654, 901 87 Umea, Sweden
    Sleep Med 6:231-40. 2005
  3. ncbi Heart rate variability during sedentary work and sleep in normal and sleep-deprived states
    Johannes van den Berg
    National Institute of Working Life, Umea, Sweden
    Clin Physiol Funct Imaging 25:51-7. 2005
  4. ncbi Sleepiness and head movements
    Johannes van den Berg
    Department of Work and the Physical Environment, National Institute for Working Life, Umea, Sweden
    Ind Health 44:564-76. 2006
  5. doi Sound and vibration: effects on infants' heart rate and heart rate variability during neonatal transport
    Björn Markus Karlsson
    Department of Clinical Sciences, Umea University, Sweden
    Acta Paediatr 101:148-54. 2012

Collaborators

Detail Information

Publications5

  1. ncbi Performance on a simple reaction time task while sleep deprived
    Johannes van den Berg
    Department of Work and the Physical Environment, National Institute of Working Life, Umea, Sweden
    Percept Mot Skills 102:589-99. 2006
    ..EEG and heart-rate variability measures did not correlate significantly with reaction time. Misses correlated significantly with subjective ratings and heart rate but only in the rested condition...
  2. ncbi Electroencephalography and subjective ratings of sleep deprivation
    Johannes van den Berg
    Department of Work and the Physical Environment, National Institute for Working Life, Box 7654, 901 87 Umea, Sweden
    Sleep Med 6:231-40. 2005
    ..Ten volunteers participated in a laboratory study aimed to analyze the way changes in wakefulness were described in terms of EEG changes and subjective ratings...
  3. ncbi Heart rate variability during sedentary work and sleep in normal and sleep-deprived states
    Johannes van den Berg
    National Institute of Working Life, Umea, Sweden
    Clin Physiol Funct Imaging 25:51-7. 2005
    ..These HRV components were also significantly and negatively correlated with delta power densities. HRV does not seem to be a viable indicator of sleepiness; however, HRV may be useful for determining sleep stages...
  4. ncbi Sleepiness and head movements
    Johannes van den Berg
    Department of Work and the Physical Environment, National Institute for Working Life, Umea, Sweden
    Ind Health 44:564-76. 2006
    ..When rested, the changes in head movements correlated with ratings of sleepiness, EEG activity, and heart rate variability. Head movements can be a used as an indicator of sleepiness...
  5. doi Sound and vibration: effects on infants' heart rate and heart rate variability during neonatal transport
    Björn Markus Karlsson
    Department of Clinical Sciences, Umea University, Sweden
    Acta Paediatr 101:148-54. 2012
    ..To measure the effect of sound and whole-body vibration on infants' heart rate and heart rate variability during ground and air ambulance transport...