Sidse Marie Hemmingsen Arnfred

Summary

Affiliation: University Hospital of Copenhagen
Country: Denmark

Publications

  1. ncbi Minipig negative slow wave demonstrates target/nontarget differences in P300 paradigm
    Sidse Marie Arnfred
    Department of Psychiatry, H S Bispebjerg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
    Neuroimage 20:587-90. 2003
  2. doi Regularity increases middle latency evoked and late induced beta brain response following proprioceptive stimulation
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Denmark
    Brain Res 1218:114-31. 2008
  3. ncbi Proprioceptive evoked gamma oscillations
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Denmark
    Brain Res 1147:167-74. 2007
  4. ncbi Delayed early proprioceptive information processing in schizophrenia
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Denmark
    Br J Psychiatry 189:558-9. 2006
  5. pmc Exploration of auditory P50 gating in schizophrenia by way of difference waves
    Sidse M Arnfred
    Experiments performed at the Department of Psychiatry, Bispebjerg Hospital, University Hospital of Copenhagen, Bispebjerg Bakke 23, DK 2400 København NV, Denmark
    Behav Brain Funct 2:6. 2006
  6. doi Attenuation of beta and gamma oscillations in schizophrenia spectrum patients following hand posture perturbation
    Sidse Marie Hemmingsen Arnfred
    Psychiatric Center Hvidovre, University Hospital of Copenhagen, Brøndby, Denmark
    Psychiatry Res 185:215-24. 2011
  7. ncbi Proprioceptive event related potentials: gating and task effects
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Copenhagen, Denmark
    Clin Neurophysiol 116:849-60. 2005
  8. ncbi Scalp recordings of mid-latency AEP and auditory gating in the Göttingen minipig: a new animal model in information processing research
    S M Arnfred
    Department of Psychiatry, H S Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, DK 2605 Brøndby, Denmark
    Int J Psychophysiol 52:267-75. 2004
  9. ncbi Pre-pulse inhibition of the acoustic startle eye-blink in the Göttingen minipig
    Sidse Marie Arnfred
    Department of Psychiatry, H S Bispebjerg Hospital, University Hospital of Copenhagen, Bispebjerg Bakke 23, DK 2400 CPH NV, Copenhagen, Denmark
    Behav Brain Res 151:295-301. 2004
  10. ncbi Exploration of somatosensory P50 gating in schizophrenia spectrum patients: reduced P50 amplitude correlates to social anhedonia
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, DK 2605 Brøndby, Denmark
    Psychiatry Res 125:147-60. 2004

Detail Information

Publications17

  1. ncbi Minipig negative slow wave demonstrates target/nontarget differences in P300 paradigm
    Sidse Marie Arnfred
    Department of Psychiatry, H S Bispebjerg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
    Neuroimage 20:587-90. 2003
    ..After training, target NSW amplitude was increased 50% compared to nontarget. A P350 was recognized, but the finding of a lack of target/nontarget difference is not conclusive...
  2. doi Regularity increases middle latency evoked and late induced beta brain response following proprioceptive stimulation
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Denmark
    Brain Res 1218:114-31. 2008
    ..Future studies need to examine whether the increased amplitude is associated with increased perceptual acuity...
  3. ncbi Proprioceptive evoked gamma oscillations
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Denmark
    Brain Res 1147:167-74. 2007
    ..The gamma phase locking may be a manifestation of early somatosensory feature integration. The analyses suggest that the high frequency activity consists of two distinct underlying oscillatory processes, in need of further investigation...
  4. ncbi Delayed early proprioceptive information processing in schizophrenia
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Denmark
    Br J Psychiatry 189:558-9. 2006
    ..Further studies, including psychiatric controls, are necessary to verify the specificity of the abnormality...
  5. pmc Exploration of auditory P50 gating in schizophrenia by way of difference waves
    Sidse M Arnfred
    Experiments performed at the Department of Psychiatry, Bispebjerg Hospital, University Hospital of Copenhagen, Bispebjerg Bakke 23, DK 2400 København NV, Denmark
    Behav Brain Funct 2:6. 2006
    ..The difference attenuation was due to low amplitude at the first stimulus. This suggests an abnormality in readiness more than an abnormality in gating in the patient group...
  6. doi Attenuation of beta and gamma oscillations in schizophrenia spectrum patients following hand posture perturbation
    Sidse Marie Hemmingsen Arnfred
    Psychiatric Center Hvidovre, University Hospital of Copenhagen, Brøndby, Denmark
    Psychiatry Res 185:215-24. 2011
    ..The deviant findings were unexpectedly more circumscribed in the schizophrenia than in the schizotypal personality disorder (SPD) patients. Future studies should include several concurrent psychophysiological measures...
  7. ncbi Proprioceptive event related potentials: gating and task effects
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, 2605 Brøndby, Copenhagen, Denmark
    Clin Neurophysiol 116:849-60. 2005
    ..Here this is used to examine early and late information processing related to weight discrimination by event related potentials (ERP)...
  8. ncbi Scalp recordings of mid-latency AEP and auditory gating in the Göttingen minipig: a new animal model in information processing research
    S M Arnfred
    Department of Psychiatry, H S Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, DK 2605 Brøndby, Denmark
    Int J Psychophysiol 52:267-75. 2004
    ....
  9. ncbi Pre-pulse inhibition of the acoustic startle eye-blink in the Göttingen minipig
    Sidse Marie Arnfred
    Department of Psychiatry, H S Bispebjerg Hospital, University Hospital of Copenhagen, Bispebjerg Bakke 23, DK 2400 CPH NV, Copenhagen, Denmark
    Behav Brain Res 151:295-301. 2004
    ....
  10. ncbi Exploration of somatosensory P50 gating in schizophrenia spectrum patients: reduced P50 amplitude correlates to social anhedonia
    Sidse M Arnfred
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brøndbyøstervej 160, DK 2605 Brøndby, Denmark
    Psychiatry Res 125:147-60. 2004
    ..This could be in agreement with the theory of loss of the benefit of regularity in schizophrenia, while the results are in-conclusive regarding sensory gating theory...
  11. ncbi Normal p50 gating in unmedicated schizophrenia outpatients
    Sidse M Arnfred
    Department of Psychiatry, Bispebjerg Hospital, University Hospital of Copenhagen, Bispebjerg Bakke 23, DK 2400 København NV, Denmark
    Am J Psychiatry 160:2236-8. 2003
    ..P50 gating is the relative attenuation of P50 amplitude in the auditory evoked potential following the second auditory stimulus of a stimulus pair...
  12. doi Two discrete components of the 20 Hz steady-state response are distinguished through the modulation of activation level
    Inga Griskova
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
    Clin Neurophysiol 120:904-9. 2009
    ..To investigate the modulation of amplitude and phase precision of the auditory steady-state response (SSR) to 20 Hz stimulation in two conditions varying in the level of activation...
  13. ncbi The amplitude and phase precision of 40 Hz auditory steady-state response depend on the level of arousal
    Inga Griskova
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
    Exp Brain Res 183:133-8. 2007
    ..It also emphasizes the necessity of standardized recording procedures and monitoring the level of arousal during ASSR testing...
  14. pmc The diagnostic status of first-rank symptoms
    Julie Nordgaard
    Department of Psychiatry, Hvidovre Hospital, University Hospital of Copenhagen, Brondby, Denmark
    Schizophr Bull 34:137-54. 2008
    ..Yet, it has been claimed that FRS may also be found in the nonschizophrenic conditions, and therefore, they are not specific or diagnostic for schizophrenia. This review was made to clarify the issue of diagnostic specificity...
  15. ncbi Prepulse inhibition of the acoustic startle reflex in pigs and its disruption by d-amphetamine
    Nanna M Lind
    Department of Psychiatry, H S Bispebjerg Hospital, University Hospital of Copenhagen, Copenhagen, Denmark
    Behav Brain Res 155:217-22. 2004
    ..Studies of sensorimotor gating defects could be a valuable additional tool in assessing pig models of neuropsychiatric disorders...
  16. ncbi Mapping the amphetamine-evoked dopamine release in the brain of the Göttingen minipig
    Nanna Marie Lind
    Department of Psychiatry, University Hospital of Copenhagen, Bispebjerg, Denmark
    Brain Res Bull 65:1-9. 2005
    ..29 in the caudate to 0.36 in the ventral striatum...
  17. ncbi Behavioral response to novelty correlates with dopamine receptor availability in striatum of Göttingen minipigs
    Nanna Marie Lind
    Department of Psychiatry, University Hospital of Copenhagen, Bispebjerg, Denmark
    Behav Brain Res 164:172-7. 2005
    ....