Barry S Oken

Summary

Affiliation: Oregon Health and Science University
Country: USA

Publications

  1. ncbi request reprint Quantitative change of EEG and respiration signals during mindfulness meditation
    Asieh Ahani
    Department of Neurology, Oregon Health and Science University, Portland, OR, USA
    J Neuroeng Rehabil 11:87. 2014
  2. pmc Stress-related cognitive dysfunction in dementia caregivers
    Barry S Oken
    Departments of Neurology and Behavioral Neuroscience, Oregon Health and Science University, Irina Fonareva, Portland, OR 97239, USA
    J Geriatr Psychiatry Neurol 24:191-8. 2011
  3. pmc Adherence to yoga and exercise interventions in a 6-month clinical trial
    K E Flegal
    Department of Neurology, Oregon Health and Science University, Portland, USA
    BMC Complement Altern Med 7:37. 2007
  4. pmc Pilot controlled trial of mindfulness meditation and education for dementia caregivers
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    J Altern Complement Med 16:1031-8. 2010
  5. pmc Placebo effects: clinical aspects and neurobiology
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    Brain 131:2812-23. 2008
  6. ncbi request reprint The efficacy of Ginkgo biloba on cognitive function in Alzheimer disease
    B S Oken
    Department of Neurology, Oregon Health Sciences University, Portland 97201, USA
    Arch Neurol 55:1409-15. 1998
  7. doi request reprint Expectancy effect: impact of pill administration on cognitive performance in healthy seniors
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    J Clin Exp Neuropsychol 30:7-17. 2008
  8. ncbi request reprint Cognition and fatigue in multiple sclerosis: Potential effects of medications with central nervous system activity
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    J Rehabil Res Dev 43:83-90. 2006
  9. pmc Vigilance, alertness, or sustained attention: physiological basis and measurement
    B S Oken
    Department of Neurology, Oregon Health and Science University OHSU, CR120, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    Clin Neurophysiol 117:1885-901. 2006
  10. ncbi request reprint Randomized controlled trial of yoga and exercise in multiple sclerosis
    B S Oken
    Department of Neurology, Oregon Health and Science University, Portland 97239, USA
    Neurology 62:2058-64. 2004

Research Grants

  1. Core -- Assessment Core
    Barry Oken; Fiscal Year: 2004
  2. CAM Research Training in Neuroscience & Stress
    Barry Oken; Fiscal Year: 2007

Detail Information

Publications38

  1. ncbi request reprint Quantitative change of EEG and respiration signals during mindfulness meditation
    Asieh Ahani
    Department of Neurology, Oregon Health and Science University, Portland, OR, USA
    J Neuroeng Rehabil 11:87. 2014
    ..The physiological signals during meditation and control conditions were analyzed with signal processing...
  2. pmc Stress-related cognitive dysfunction in dementia caregivers
    Barry S Oken
    Departments of Neurology and Behavioral Neuroscience, Oregon Health and Science University, Irina Fonareva, Portland, OR 97239, USA
    J Geriatr Psychiatry Neurol 24:191-8. 2011
    ..Of note, impaired sleep was the only potential mediator of the caregiver effect on cognitive performance in our small sample...
  3. pmc Adherence to yoga and exercise interventions in a 6-month clinical trial
    K E Flegal
    Department of Neurology, Oregon Health and Science University, Portland, USA
    BMC Complement Altern Med 7:37. 2007
    ..To determine factors that predict adherence to a mind-body intervention in a randomized trial...
  4. pmc Pilot controlled trial of mindfulness meditation and education for dementia caregivers
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    J Altern Complement Med 16:1031-8. 2010
    ..The objectives of this study were to evaluate whether a mindfulness meditation intervention may be effective in caregivers of close relatives with dementia and to help refine the protocol for future larger trials...
  5. pmc Placebo effects: clinical aspects and neurobiology
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    Brain 131:2812-23. 2008
    ..Maximizing this expectancy effect is important for clinicians to optimize the health of their patient. There have been many relatively acute placebo studies that are now being extended into clinically relevant models of placebo effect...
  6. ncbi request reprint The efficacy of Ginkgo biloba on cognitive function in Alzheimer disease
    B S Oken
    Department of Neurology, Oregon Health Sciences University, Portland 97201, USA
    Arch Neurol 55:1409-15. 1998
    ..To determine the effect of treatment with Ginkgo biloba extract on objective measures of cognitive function in patients with Alzheimer disease (AD) based on formal review of the current literature...
  7. doi request reprint Expectancy effect: impact of pill administration on cognitive performance in healthy seniors
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    J Clin Exp Neuropsychol 30:7-17. 2008
    ..Further characterizing and understanding this observed expectancy effect is important to maximize cognitive health and improve clinical trial design...
  8. ncbi request reprint Cognition and fatigue in multiple sclerosis: Potential effects of medications with central nervous system activity
    Barry S Oken
    Department of Neurology, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    J Rehabil Res Dev 43:83-90. 2006
    ....
  9. pmc Vigilance, alertness, or sustained attention: physiological basis and measurement
    B S Oken
    Department of Neurology, Oregon Health and Science University OHSU, CR120, 3181 SW Sam Jackson Park Road, Portland, OR 97239, USA
    Clin Neurophysiol 117:1885-901. 2006
    ..This review paper discusses the underlying neural basis of vigilance and its assessment using physiologic tools. Since, assessment of vigilance requires assessment of cognitive function this aspect is also discussed...
  10. ncbi request reprint Randomized controlled trial of yoga and exercise in multiple sclerosis
    B S Oken
    Department of Neurology, Oregon Health and Science University, Portland 97239, USA
    Neurology 62:2058-64. 2004
    ..To determine the effect of yoga and of aerobic exercise on cognitive function, fatigue, mood, and quality of life in multiple sclerosis (MS)...
  11. pmc Randomized, controlled, six-month trial of yoga in healthy seniors: effects on cognition and quality of life
    Barry S Oken
    Department of Neurology and Behavioral Neuroscience, Oregon Health and Science University, Portland, OR, USA
    Altern Ther Health Med 12:40-7. 2006
    ..There are potential benefits of mind-body techniques on cognitive function because the techniques involve an active attentional or mindfulness component, but this has not been fully explored...
  12. ncbi request reprint Assessment of CNS effects of antiepileptic drugs by using quantitative EEG measures
    Martin C Salinsky
    Oregon Health and Science University Epilepsy Center, Portland, OR 97239, USA
    Epilepsia 44:1042-50. 2003
    ..Objective methods for recognizing AED effects on the brain could be valuable for long-term management. We compared quantitative EEG measures and cognitive tests in a group of patients beginning or ending AED therapy...
  13. ncbi request reprint Correlations of Perceived Deficits Questionnaire of Multiple Sclerosis Quality of Life Inventory with Beck Depression Inventory and neuropsychological tests
    Jesus Lovera
    Multiple Sclerosis Center of Excellence West, Portland Department of Veterans Affairs VA Medical Center, Portland, OR 97239 2999, USA
    J Rehabil Res Dev 43:73-82. 2006
    ..No significant correlations were found between any of these tests and the PDQ. These results suggest that self-perceived cognitive dysfunction relates more to depression than to objective cognitive dysfunction...
  14. doi request reprint Salivary cortisol awakening response in mild Alzheimer disease, caregivers, and noncaregivers
    HELANE WAHBEH
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    Alzheimer Dis Assoc Disord 22:181-3. 2008
    ..Salivary cortisol and cortisol response on awakening may enhance future studies relating free cortisol to subjective psychologic and physiologic markers...
  15. pmc A randomized pilot study of naturopathic medicine in multiple sclerosis
    Lynne Shinto
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239 3098, USA
    J Altern Complement Med 14:489-96. 2008
    ..Naturopathic medicine encompasses a broad range of CAM modalities and may improve quality of life in patients with MS...
  16. pmc Assessing sleep architecture in dementia caregivers at home using an ambulatory polysomnographic system
    Irina Fonareva
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, OR 97239, USA
    J Geriatr Psychiatry Neurol 24:50-9. 2011
    ..Our findings indicate that sleep disruption is a significant concomitant of caregiving and may affect caregiver's health. Sleep quality of caregivers might be a useful target for a clinical intervention...
  17. pmc Salivary cortisol lower in posttraumatic stress disorder
    HELANE WAHBEH
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    J Trauma Stress 26:241-8. 2013
    ..The 4-factor avoidance PTSD symptom cluster was associated with cortisol, but not the other symptom clusters. This study supports the finding that cortisol is lower in people with PTSD...
  18. pmc Differences in stress-related ratings between research center and home environments in dementia caregivers using ecological momentary assessment
    Irina Fonareva
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon 97239, USA
    Int Psychogeriatr 24:90-8. 2012
    ..This study aimed to compare ratings of stress-related measures obtained in research settings and in the home using ecological momentary assessment (EMA)...
  19. pmc Reliability and validity of food frequency questionnaire and nutrient biomarkers in elders with and without mild cognitive impairment
    Gene L Bowman
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    Alzheimer Dis Assoc Disord 25:49-57. 2011
    ..Our study objective was to examine the reliability and validity of the 2 common nutritional assessments (plasma nutrient biomarkers and Food Frequency Questionnaire) in the people at risk for dementia...
  20. pmc Ascorbic acid and rates of cognitive decline in Alzheimer's disease
    Gene L Bowman
    Department of Neurology, Oregon Health and Science University, Portland, OR, USA
    J Alzheimers Dis 16:93-8. 2009
    ..This relationship may indicate that the CSF: plasma AA ratio is an index of AA availability to the brain or may be an artifact of a relationship between blood-brain barrier impairment and neurodegeneration...
  21. pmc Peak high-frequency HRV and peak alpha frequency higher in PTSD
    HELANE WAHBEH
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    Appl Psychophysiol Biofeedback 38:57-69. 2013
    ..All other EEG and HRV measures and respiration were not different between groups. Peak high-frequency HRV and peak alpha frequency are sensitive to PTSD status and may be potential biofeedback parameters for future PTSD clinical trials...
  22. doi request reprint Second generation complementary and alternative medicine physiologic data collection and monitoring research platform
    Roger M Ellingson
    RM Ellingson System Design and Development, 8515 SW Barnes Road, Portland, OR 97225, USA
    Conf Proc IEEE Eng Med Biol Soc 2008:1270-3. 2008
    ..The system was designed specifically to support the needs of investigators studying CAM mind-body interventions but could be used for a variety of research needs...
  23. pmc Comparisons of plasma/serum micronutrients between Okinawan and Oregonian elders: a pilot study
    Hiroko H Dodge
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239 3098, USA
    J Gerontol A Biol Sci Med Sci 65:1060-7. 2010
    ....
  24. ncbi request reprint Cortical excitability and age-related volumetric MRI changes
    L C Silbert
    Department of Neurology, Layton Aging and Alzheimer s Disease Center, Oregon Health and Science University, Portland, OR 97201, USA
    Clin Neurophysiol 117:1029-36. 2006
    ..Information regarding cortical excitability in neurologically intact elderly would augment our understanding of the pathophysiology of aging and assist in the interpretation of TMS studies involving elderly subjects...
  25. ncbi request reprint Effects of oxcarbazepine and phenytoin on the EEG and cognition in healthy volunteers
    M C Salinsky
    Department of Neurology, Oregon Health and Science University, Portland, OR 97201, USA
    Epilepsy Behav 5:894-902. 2004
    ..The only significant difference between AEDs was for the POMS-Vigor scale, favoring OXC. The small sample size may have contributed to the lack of significant differences between AEDs...
  26. ncbi request reprint Effects of topiramate and gabapentin on cognitive abilities in healthy volunteers
    M C Salinsky
    Oregon Health and Science University, Portland, OR, USA
    Neurology 64:792-8. 2005
    ..To evaluate the cognitive effects of topiramate (TPM) and gabapentin (GBP)...
  27. pmc Effect of expectancy and personality on cortical excitability in Parkinson's disease
    Jau Shin Lou
    Department of Neurology, Oregon Health and Science University, Portland, OR, USA
    Mov Disord 28:1257-62. 2013
    ..Expectancy is associated with changes in cortical excitability. Further studies are needed to examine the relationship between personality and placebo effect in Parkinson's patients. © 2013 Movement Disorder Society. ..
  28. pmc Sensitivity to mental effort and test-retest reliability of heart rate variability measures in healthy seniors
    Shalini Mukherjee
    Department of Neurology, Oregon Health and Science University, Portland, OR 97239, USA
    Clin Neurophysiol 122:2059-66. 2011
    ....
  29. ncbi request reprint 24 hour ambulatory research system supporting multiple physiologic sensors
    Roger M Ellingson
    Ellingson Syst Design and Dev, Portland, OR 97255, USA
    Conf Proc IEEE Eng Med Biol Soc 1:5928-31. 2006
    ..Experience with data acquisition and methods for post-acquisition data analysis are also discussed...
  30. pmc Patterns of dietary supplement usage in demographically diverse older people
    Shirley S Kishiyama
    Department of Neurology, Oregon Health and Science University, Portland, Oregon, USA
    Altern Ther Health Med 11:48-53. 2005
    ..To analyze dietary supplement usage data from 494 older adults, aged 65 to 101 years...
  31. ncbi request reprint Brain-computer interface with language model-electroencephalography fusion for locked-in syndrome
    Barry S Oken
    1Oregon Health and Science University, Portland, OR, USA
    Neurorehabil Neural Repair 28:387-94. 2014
    ..Some noninvasive brain-computer interface (BCI) systems are currently available for locked-in syndrome (LIS) but none have incorporated a statistical language model during text generation...
  32. pmc Mind-body practices: an alternative, drug-free treatment for smoking cessation? A systematic review of the literature
    Laura Carim-Todd
    Department of Neurology, Oregon Health and Science University OHSU, Portland, OR, USA Oregon Center for Complementary and Alternative Medicine in Neurological Disorders ORCCAMIND, Oregon Health and Science University OHSU, Portland, OR, USA Electronic address
    Drug Alcohol Depend 132:399-410. 2013
    ....
  33. ncbi request reprint Effects of gabapentin and carbamazepine on the EEG and cognition in healthy volunteers
    Martin C Salinsky
    Oregon Health Sciences University Epilepsy Center, Portland, Oregon 97201, USA
    Epilepsia 43:482-90. 2002
    ..Objective methods for detection of neurotoxicity in individual patients would be useful. We studied the effects of gabapentin (GBP) and carbamazepine (CBZ) on neurophysiologic and cognitive/behavioral measures in healthy volunteers...
  34. ncbi request reprint Nicotine effects on alertness and spatial attention in non-smokers
    William S Griesar
    Department of Behavioral Neuroscience CR 120, Oregon Health Sciences University, 3181 SW Sam Jackson Park Road, Portland, OR 97201, USA
    Nicotine Tob Res 4:185-94. 2002
    ..However, nicotine significantly improved both EEG and self-rated measures of alertness. We conclude that nicotine increases alertness in non-smokers, but we found no improvement in spatial attention using a covert orienting task...
  35. ncbi request reprint Physiological and functional consequences of caregiving for relatives with dementia
    Irina Fonareva
    Department of Behavioral Neuroscience, Oregon Health and Science University, Portland, Oregon 97239, USA
    Int Psychogeriatr 26:725-47. 2014
    ..Clinicians and society need to appreciate the extent of deleterious effects of chronic stress on dementia caregiver health. ..
  36. pmc Mind-body interventions: applications in neurology
    HELANE WAHBEH
    Department of Neurology, Oregon Health and Science University, 3181 SW Sam Jackson Park Road, Mail Code CR120, Portland, OR 97239, USA
    Neurology 70:2321-8. 2008
    ..The objective of this article is to give a clinical overview of mind-body interventions and their applications in neurology...
  37. ncbi request reprint Methylphenidate increases the motor effects of L-Dopa in Parkinson's disease: a pilot study
    R Camicioli
    Department of Neurology, Oregon Health Sciences University, Portland, Oregon, USA
    Clin Neuropharmacol 24:208-13. 2001
    ..Methylphenidate increased the motor effects of L-Dopa with minimal effects on cognitive or affective functions, suggesting a physiologic role for the dopamine transporter in patients with PD with motor fluctuations...
  38. pmc Sleeping and driving: Not a safe dual-task
    Barry S Oken
    Clin Neurophysiol 118:1899-900. 2007

Research Grants2

  1. Core -- Assessment Core
    Barry Oken; Fiscal Year: 2004
    ..abstract_text> ..
  2. CAM Research Training in Neuroscience & Stress
    Barry Oken; Fiscal Year: 2007
    ....