L Nyberg

Summary

Country: Sweden

Publications

  1. doi request reprint Transfer of learning after updating training mediated by the striatum
    Erika Dahlin
    Department of Integrative Medical Biology, Umea University, 90187 Umea, Sweden
    Science 320:1510-2. 2008
  2. ncbi request reprint Age differences in episodic memory, semantic memory, and priming: relationships to demographic, intellectual, and biological factors
    L Nyberg
    Rotman Research Institute of Baycrest Centre, University of Toronto
    J Gerontol B Psychol Sci Soc Sci 51:P234-40. 1996
  3. ncbi request reprint Brain activation during episodic memory retrieval: sex differences
    L Nyberg
    Department of Psychology, Umea University, Umeå S 901 87, Sweden
    Acta Psychol (Amst) 105:181-94. 2000
  4. pmc Neural correlates of training-related memory improvement in adulthood and aging
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Proc Natl Acad Sci U S A 100:13728-33. 2003
  5. ncbi request reprint Functional neuroimaging of cognition: state-of-the-art
    L Nyberg
    Department of Psychology, Umea University, Sweden
    Scand J Psychol 42:163-5. 2001
  6. ncbi request reprint Brain imaging of human memory systems: between-systems similarities and within-system differences
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87, Umea, Sweden
    Brain Res Cogn Brain Res 13:281-92. 2002
  7. ncbi request reprint Levels of processing: a view from functional brain imaging
    Lars Nyberg
    Department of Psychology, Umea University, Sweden
    Memory 10:345-8. 2002
  8. ncbi request reprint Common prefrontal activations during working memory, episodic memory, and semantic memory
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87, Umea, Sweden
    Neuropsychologia 41:371-7. 2003
  9. ncbi request reprint Individual differences in memory enhancement by encoding enactment: relationships to adult age and biological factors
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87, Umea, Sweden
    Neurosci Biobehav Rev 26:835-9. 2002
  10. ncbi request reprint Learning by doing versus learning by thinking: An fMRI study of motor and mental training
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Neuropsychologia 44:711-7. 2006

Detail Information

Publications89

  1. doi request reprint Transfer of learning after updating training mediated by the striatum
    Erika Dahlin
    Department of Integrative Medical Biology, Umea University, 90187 Umea, Sweden
    Science 320:1510-2. 2008
    ..These findings indicate that transfer can occur if the criterion and transfer tasks engage specific overlapping processing components and brain regions...
  2. ncbi request reprint Age differences in episodic memory, semantic memory, and priming: relationships to demographic, intellectual, and biological factors
    L Nyberg
    Rotman Research Institute of Baycrest Centre, University of Toronto
    J Gerontol B Psychol Sci Soc Sci 51:P234-40. 1996
    ..It is proposed that the failure to account for the age effect on episodic memory is because it is caused by age-related neuronal changes...
  3. ncbi request reprint Brain activation during episodic memory retrieval: sex differences
    L Nyberg
    Department of Psychology, Umea University, Umeå S 901 87, Sweden
    Acta Psychol (Amst) 105:181-94. 2000
    ..Possible explanations for the observed differences are discussed, and it is concluded that biological and experiential factors jointly contribute to sex differences in brain activity...
  4. pmc Neural correlates of training-related memory improvement in adulthood and aging
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Proc Natl Acad Sci U S A 100:13728-33. 2003
    ..These findings suggest that age-related differences in cognitive reserve capacity may reflect both a frontal processing deficiency and a posterior production deficiency...
  5. ncbi request reprint Functional neuroimaging of cognition: state-of-the-art
    L Nyberg
    Department of Psychology, Umea University, Sweden
    Scand J Psychol 42:163-5. 2001
    ..With special reference to the contributions in this issue of Scandinavian Journal of Psychology, methodological, topical, regional, and clinical implications of cognitive neuroscientific studies are discussed...
  6. ncbi request reprint Brain imaging of human memory systems: between-systems similarities and within-system differences
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87, Umea, Sweden
    Brain Res Cogn Brain Res 13:281-92. 2002
    ..Implications of the present results for the classification of memory tasks with respect to systems and/or processes are discussed...
  7. ncbi request reprint Levels of processing: a view from functional brain imaging
    Lars Nyberg
    Department of Psychology, Umea University, Sweden
    Memory 10:345-8. 2002
    ..Collectively, these results provide support for central components of the levels framework...
  8. ncbi request reprint Common prefrontal activations during working memory, episodic memory, and semantic memory
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87, Umea, Sweden
    Neuropsychologia 41:371-7. 2003
    ..These findings provide evidence that some PFC regions are engaged during many different memory tests. The findings are discussed in relation to theories about the functional contribution of the PFC regions and the architecture of memory...
  9. ncbi request reprint Individual differences in memory enhancement by encoding enactment: relationships to adult age and biological factors
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87, Umea, Sweden
    Neurosci Biobehav Rev 26:835-9. 2002
    ..Variation in the ability to benefit from encoding enactment is discussed in relation to an age-related decline in dopamine function...
  10. ncbi request reprint Learning by doing versus learning by thinking: An fMRI study of motor and mental training
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Neuropsychologia 44:711-7. 2006
    ..We conclude that gains following motor and mental training are based on distinct neuroplastic changes in the brain...
  11. ncbi request reprint Any novelty in hippocampal formation and memory?
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Curr Opin Neurol 18:424-8. 2005
    ..This review provides an update on recent studies of hippocampal novelty responses in relation to memory...
  12. ncbi request reprint Selective adult age differences in an age-invariant multifactor model of declarative memory
    Lars Nyberg
    Department of Psychology, Umea University, Sweden
    Psychol Aging 18:149-60. 2003
    ..Overall, the results support the view that episodic memory is more age sensitive than semantic memory, but they also indicate that aging has differential effects within these 2 forms of memory...
  13. pmc Reactivation of encoding-related brain activity during memory retrieval
    L Nyberg
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Proc Natl Acad Sci U S A 97:11120-4. 2000
    ....
  14. pmc General and specific brain regions involved in encoding and retrieval of events: what, where, and when
    L Nyberg
    Rotman Research Institute of Baycrest Centre, University of Toronto, North York, ON, Canada
    Proc Natl Acad Sci U S A 93:11280-5. 1996
    ..These results point to the existence of general encoding and retrieval networks of episodic memory whose operations are augmented by unique brain areas recruited for processing specific aspects of remembered events...
  15. ncbi request reprint Effects of division of attention during encoding and retrieval on age differences in episodic memory
    L Nyberg
    Department of Psychology, Umea University, Sweden
    Exp Aging Res 23:137-43. 1997
    ..These results do not support the hypothesis that reduced attentional capacity in old age is underlying age differences in episodic memory...
  16. ncbi request reprint Mapping episodic memory
    L Nyberg
    Department of Psychology, Umea University, Sweden
    Behav Brain Res 90:107-14. 1998
    ..Taken together, these results show that episodic memory retrieval is mediated by an extensive set of brain regions, some of which seem to be specifically engaged by episodic remembering...
  17. doi request reprint Altered deactivation in individuals with genetic risk for Alzheimer's disease
    J Persson
    Department of Psychology, Stockholm University, S 106 91 Stockholm, Sweden
    Neuropsychologia 46:1679-87. 2008
    ....
  18. ncbi request reprint Unity and diversity of tonic and phasic executive control components in episodic and working memory
    P Marklund
    Department of Psychology, Umea University, Sweden
    Neuroimage 36:1361-73. 2007
    ..Taken together, these results converge with theoretical models advocating both unity and diversity among executive control processes...
  19. ncbi request reprint Reactivation of motor brain areas during explicit memory for actions
    L Nyberg
    Department of Psychology, , Sweden
    Neuroimage 14:521-8. 2001
    ..These results support the reactivation hypothesis by showing that verbal-explicit memory of actions involves areas that are engaged during overt and covert motor activity...
  20. ncbi request reprint Increased risk of dementia following mild head injury for carriers but not for non-carriers of the APOE epsilon4 allele
    A Sundstrom
    Department of Psychology, Umea University, Sweden
    Int Psychogeriatr 19:159-65. 2007
    ..The aim of this study was to examine the association between mild head injury, APOE and dementia...
  21. ncbi request reprint Fatigue before and after mild traumatic brain injury: pre-post-injury comparisons in relation to Apolipoprotein E
    A Sundstrom
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Brain Inj 21:1049-54. 2007
    ..As fatigue is often found to be influenced by anxiety, depression and sleep disturbance, these factors were also measured...
  22. ncbi request reprint Fractures after stroke
    A Ramnemark
    Department of Geriatric Medicine, Umea University, Sweden
    Osteoporos Int 8:92-5. 1998
    ..They are usually caused by falls and affect the paretic side. It is necessary to focus on the prevention of post-stroke fractures, including the prevention of both falls and osteoporosis...
  23. ncbi request reprint Altered brain white matter integrity in healthy carriers of the APOE epsilon4 allele: a risk for AD?
    J Persson
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Neurology 66:1029-33. 2006
    ..The neural mechanisms by which these genetic variations influence behavioral performance or clinical severity are not well understood...
  24. ncbi request reprint Conjunction analysis of cortical activations common to encoding and retrieval
    J Persson
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Microsc Res Tech 51:39-44. 2000
    ..These findings suggest that when specific episodic information is retrieved from memory, regions involved in encoding of the same information are engaged...
  25. ncbi request reprint Hemiosteoporosis after severe stroke, independent of changes in body composition and weight
    A Ramnemark
    Department of Geriatric Medicine, Sports Medicine Unit, Umea University, Umea, Sweden
    Stroke 30:755-60. 1999
    ..The aim of this study was to investigate the development of hemiosteoporosis in relation to other changes in body composition during the first year after severe stroke...
  26. ncbi request reprint APOE influences on neuropsychological function after mild head injury: within-person comparisons
    A Sundstrom
    Department of Psychology, Umea University, Sweden
    Neurology 62:1963-6. 2004
    ..To examine the relationship between neuropsychological outcome following mild head injury (MHI) and APOE genotype...
  27. ncbi request reprint Three years after in-patient stroke rehabilitation: A follow-up study
    B Löfgren
    Department of Geriatric Medicine, Umea University, Umea, Sweden
    Cerebrovasc Dis 9:163-70. 1999
    ..Also, their psychological well-being seemed quite good. These results should encourage rehabilitation efforts for elderly people severely affected by stroke...
  28. pmc Prefrontal cortex and episodic memory retrieval mode
    M Lepage
    Rotman Research Institute of Baycrest Centre, 3560 Bathurst Street, Toronto, ON, M6A 2E1, Canada
    Proc Natl Acad Sci U S A 97:506-11. 2000
    ..We propose that REMO activations largely if not entirely account for the frontal hemispheric asymmetry of retrieval as described by the original hemispheric encoding retrieval asymmetry model...
  29. ncbi request reprint The Mobility Interaction Fall chart
    L Lundin-Olsson
    Department of Community Medicine and Rehabilitation Physiotherapy and Geriatric Medicine, Umea University, Sweden
    Physiother Res Int 5:190-201. 2000
    ..The aim of this study was to develop and evaluate a screening tool for the identification of older people living in residential care facilities who are prone to falling...
  30. doi request reprint Cognitive status in persons with amalgam-related complaints
    A Sundstrom
    Centre for Population Studies Ageing and Living Conditions Programme, SE 90187, Sweden
    J Dent Res 89:1236-40. 2010
    ..These results suggest that cognitive decline is not associated with amalgam-related complaints...
  31. ncbi request reprint Using the Downton index to predict those prone to falls in stroke rehabilitation
    L Nyberg
    Department of Geriatric Medicine, Umea University, Sweden
    Stroke 27:1821-4. 1996
    ..An important issue in preventive strategies is the early identification of those at risk. This study aimed at assessing the fall-prediction accuracy of an easily administered fall risk index in stroke rehabilitation...
  32. ncbi request reprint Psychological well-being 3 years after severe stroke
    B Löfgren
    Department of Geriatric Medicine, Umea University, Umea, Sweden
    Stroke 30:567-72. 1999
    ..The aim of this study was therefore to assess the subjects' long-term psychological well-being and to explore associations between subject characteristics, impairments, disabilities, and psychological well-being...
  33. ncbi request reprint Progressive hemiosteoporosis on the paretic side and increased bone mineral density in the nonparetic arm the first year after severe stroke
    A Ramnemark
    Department of Geriatric Medicine, Umea University, Sweden
    Osteoporos Int 9:269-75. 1999
    ..Surprisingly, BMD in the nonaffected arm increased significantly during the first year after stroke, most likely due to increased physical activity, and perhaps a redistribution of bone minerals from the paretic extremities...
  34. doi request reprint Motor imagery: if you can't do it, you won't think it
    C J Olsson
    Integrative Medical Biology, Physiology, Umea University, Umea, Sweden
    Scand J Med Sci Sports 20:711-5. 2010
    ..Practical implications for imagery interventions are considered. It is concluded that if you cannot perform an action physically, you cannot imagine it in a way that is necessary for a high degree of functional equivalence...
  35. ncbi request reprint Imaging episodic memory: implications for cognitive theories and phenomena
    L Nyberg
    Department of Psychology, University of Umea, Sweden
    Memory 7:585-97. 1999
    ....
  36. ncbi request reprint Cerebral atrophy as predictor of cognitive function in old, community-dwelling individuals
    H Soderlund
    Department of Psychology, Stockholm University, Stockholm, Sweden
    Acta Neurol Scand 109:398-406. 2004
    ..The impact of cortical and subcortical atrophy on cognitive function was examined in a sample of older community-dwelling men and women...
  37. ncbi request reprint Cross-validation of a model predicting discharge home after stroke rehabilitation. Validating stroke discharge predictors
    B Löfgren
    Department of Community Medicine and Rehabilitation, Division of Geriatric Medicine, Umea University, Umea, Sweden
    Cerebrovasc Dis 10:118-25. 2000
    ..This index was then validated in the sample of 93 patients that the first developed model was derived from and showed positive and negative predictive values of 85 and 77%, respectively...
  38. ncbi request reprint Predisposing and precipitating factors for falls among older people in residential care
    K Kallin
    Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umea University, Umea, Sweden
    Public Health 116:263-71. 2002
    ..Since acute illnesses and drug side-effects were important precipitating factors, falls should be regarded as a possible symptom of disease or a side-effect of a drug until it is proven otherwise...
  39. pmc A multidisciplinary, multifactorial intervention program reduces postoperative falls and injuries after femoral neck fracture
    M Stenvall
    Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umea University, 901 87, Umea, Sweden
    Osteoporos Int 18:167-75. 2007
    ....
  40. ncbi request reprint Sustained performance and regulation of effort in clinical and non-clinical hyperactive children
    L Berlin
    Department of Psychology, Uppsala University, Sweden
    Child Care Health Dev 29:257-67. 2003
    ....
  41. ncbi request reprint The influence of APOE status on episodic and semantic memory: data from a population-based study
    Lars Göran Nilsson
    Department of Psychology, Stockholm University, Stockholm, Sweden
    Neuropsychology 20:645-57. 2006
    ..On the basis of the data obtained, the authors argue that analyses of the effect of specific genes in cognition should be accompanied by assessment of performance at a specific level, with due attention to the individual's age...
  42. ncbi request reprint Parietal cortex activation predicts memory decline in apolipoprotein E-epsilon4 carriers
    Johanna Lind
    Department of Clinical Neuroscience, Karolinska Institute, MR Research Center, Karolinska Hospital, and Department of Psychology, Stockholm University, Stockholm, Sweden
    Neuroreport 17:1683-6. 2006
    ..Thus, the results show that parietal cortex alterations predict memory decline in nondemented apolipoprotein E-epsilon4 carriers, and hence likely progression to Alzheimer's disease...
  43. ncbi request reprint Cognitive and neural plasticity in aging: general and task-specific limitations
    Sari Jones
    Aging Research Center, Division of Geriatric Epidemiology, Neurotec, Karolinska Institutet, Stockholm, Sweden
    Neurosci Biobehav Rev 30:864-71. 2006
    ..Future attempts to optimize intervention-related gains in old age should consider targeting both general processing and task-specific origins of age-associated reductions in cognitive plasticity...
  44. ncbi request reprint Similar frontal and distinct posterior cortical regions mediate visual and auditory perceptual awareness
    Johan Eriksson
    Department of Psychology, Umea University, Sweden
    Cereb Cortex 17:760-5. 2007
    ..These results indicate that frontal regions interact with specific posterior regions to produce awareness in different sensory modalities...
  45. ncbi request reprint Functional neuroimaging of memory
    Roberto Cabeza
    Neuropsychologia 41:241-4. 2003
  46. ncbi request reprint The correlative triad among aging, dopamine, and cognition: current status and future prospects
    Lars Backman
    Aging Research Center, Division of Geriatric Epidemiology, Neurotec, Karolinska Institute, Box 6401, S 113 82 Stockholm, Sweden
    Neurosci Biobehav Rev 30:791-807. 2006
    ....
  47. ncbi request reprint Attention-related activity during episodic memory retrieval: a cross-function fMRI study
    Roberto Cabeza
    Center for Cognitive Neuroscience, Duke University, PO Box 90999, LSRC Bldg, Rm B203, Durham, NC 27708, USA
    Neuropsychologia 41:390-9. 2003
    ..Overall, the present results suggest that many of the activations attributed to specific cognitive processes, such as episodic memory, may actually reflect more general cognitive operations...
  48. ncbi request reprint Altered brain activity in healthy seniors: what does it mean?
    Jonas Persson
    Department of Psychology, University of Michigan, Ann Arbor, MI, USA
    Prog Brain Res 157:45-56. 2006
    ..This pattern of age-related changes suggests that compensation through over-activation is restricted to the early stages of cognitive impairment in aging...
  49. ncbi request reprint Sustained and transient neural modulations in prefrontal cortex related to declarative long-term memory, working memory, and attention
    Petter Marklund
    Department of Psychology, Umea University, Umea, Sweden
    Cortex 43:22-37. 2007
    ....
  50. ncbi request reprint Neural representation of binding lexical signs and words in the episodic buffer of working memory
    Mary Rudner
    The Swedish Institute for Disability Research, Department of Behavioural Sciences, Linkoping University, S 581 83 Linkoping, Sweden
    Neuropsychologia 45:2258-76. 2007
    ..Together, these findings support the notion of a module that mediates between codes and sources, such as the episodic buffer, and further our understanding of its nature...
  51. ncbi request reprint Similarities and differences in the neural correlates of episodic memory retrieval and working memory
    Roberto Cabeza
    Center for Cognitive Neuroscience, Duke University, Durham, North Carolina 27708, USA
    Neuroimage 16:317-30. 2002
    ..Overall, our results show that direct cross-function comparisons are critical to understand the role of different brain regions in various cognitive functions...
  52. doi request reprint Increased response-time variability is associated with reduced inferior parietal activation during episodic recognition in aging
    Stuart W S MacDonald
    Aging Research Center, Karolinska Institutet, Stockholm, Sweden
    J Cogn Neurosci 20:779-86. 2008
    ..In support of extant findings and theory from neuroscience, neuropsychology, and cognitive aging, the present results suggest that behavioral IIV represents a proxy for neural integrity...
  53. ncbi request reprint Neural correlates of availability and accessibility in memory
    Reza Habib
    Department of Psychology, School of Medicine, Southern Illinois University Carbondale, Carbondale, IL 62901, USA
    Cereb Cortex 18:1720-6. 2008
    ..These results suggest that failure to access information that is available in memory may reflect weaker memory representations...
  54. ncbi request reprint Natural teeth and cognitive function in humans
    Maud Bergdahl
    Institute of Clinical Dentistry, University of Tromsø, Norway
    Scand J Psychol 48:557-65. 2007
    ..The cognitive disadvantage of the edentulous group was still apparent. The results suggest that functional natural teeth relate to relatively preserved cognitive functioning in older age...
  55. ncbi request reprint Memory functions and rCBF (99m)Tc-HMPAO SPET: developing diagnostics in Alzheimer's disease
    Eva Elgh
    Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umea University, 901 85 Umea, Sweden
    Eur J Nucl Med Mol Imaging 29:1140-8. 2002
    ..The correlation between rCBF ratio and level of episodic memory performance suggests that abnormalities in rCBF pattern underlie impaired episodic memory functioning in AD...
  56. ncbi request reprint The claustrum/insula region integrates conceptually related sounds and pictures
    Hamid Reza Naghavi
    Tehran University of Medical Sciences, Tehran, Iran
    Neurosci Lett 422:77-80. 2007
    ..This observation has important implications for understanding how multimodal information about common objects is represented in the brain...
  57. ncbi request reprint Cigarette smoking and cognitive performance in healthy Swedish adults
    Robert D Hill
    Educational Psychology, University of Utah, 1705 East Campus Center Drive RM 327, Salt Lake City, UT 84112 9255, USA
    Age Ageing 32:548-50. 2003
    ..The relationship between cigarette smoking and cognitive function was examined in healthy Swedish adults who were participants in the Betula Prospective Cohort Study of Aging, Memory, and Health...
  58. ncbi request reprint Cognitive and non-cognitive factors contributing to the longitudinal identification of successful older adults in the betula study
    Reza Habib
    Department of Psychology and School of Medicine, Southern Illinois University Carbondale, Carbondale, Illinois, USA
    Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 14:257-73. 2007
    ..Years of education was a significant predictor of who remained successful over time...
  59. ncbi request reprint Reduced functional brain activity response in cognitively intact apolipoprotein E epsilon4 carriers
    Johanna Lind
    Department of Clinical Neuroscience, MR Research Center, Karolinska Hospital N 8, Stockholm, Sweden
    Brain 129:1240-8. 2006
    ..Collectively, these findings indicate that genetic risk translates into reduced functional brain activity, in regions pertinent to Alzheimer's disease, well before alterations can be detected at the behavioural level...
  60. ncbi request reprint Reduced hippocampal volume in non-demented carriers of the apolipoprotein E epsilon4: relation to chronological age and recognition memory
    Johanna Lind
    Department of Clinical Neuroscience, MR Research Center, Karolinska Hospital N 8, S 171 76 Stockholm, Sweden
    Neurosci Lett 396:23-7. 2006
    ..A question for the future is whether smaller hippocampal volume represents early-onset hippocampal volume reduction or an inherent trait...
  61. ncbi request reprint Selective sex differences in declarative memory
    Scott B Maitland
    University of Guelph, Guelph, Ontario, Canada
    Mem Cognit 32:1160-9. 2004
    ..The factor-specific sex differences are discussed in relation to sex differences in hippocampal function...
  62. ncbi request reprint Stability, growth, and decline in adult life span development of declarative memory: cross-sectional and longitudinal data from a population-based study
    Michael Ronnlund
    Department of Psychology, Umea University, Umea, Sweden
    Psychol Aging 20:3-18. 2005
    ..Collectively, the results show that age trajectories for episodic and semantic memory differ and underscore the need to control for cohort and retest effects in cross-sectional and longitudinal studies, respectively...
  63. ncbi request reprint Task-independent and task-specific age effects on brain activity during working memory, visual attention and episodic retrieval
    Roberto Cabeza
    Center for Cognitive Neuroscience, Duke University, Durham, NC 27708, USA
    Cereb Cortex 14:364-75. 2004
    ..Taken together, the results indicate that both common and specific factors play an important role in cognitive aging...
  64. ncbi request reprint Visual consciousness: dissociating the neural correlates of perceptual transitions from sustained perception with fMRI
    Johan Eriksson
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Conscious Cogn 13:61-72. 2004
    ..These results provide further support for the theory that the initial creation of perceptual awareness and upholding perceptual awareness over time are separate processes involving different brain regions...
  65. ncbi request reprint Impaired cognitive performance in patients with chronic burnout syndrome
    Agneta Sandström
    Department of Public Health and Clinical Medicine, University Hospital, SE 90185 Umeå, Sweden
    Biol Psychol 69:271-9. 2005
    ..These results indicate that patients with chronic burnout have specific cognitive impairments, which should be emphasized in the evaluation of symptoms and treatment regimes in this disorder...
  66. ncbi request reprint Common fronto-parietal activity in attention, memory, and consciousness: shared demands on integration?
    Hamid Reza Naghavi
    Psychiatry and Clinical Psychology Research Center, Tehran University of Medical Sciences, Roozbeh Hospital, South Kargar Street, 13185 1741 Tehran, Iran
    Conscious Cogn 14:390-425. 2005
    ..The common fronto-parietal activity will be discussed in terms of processes related to integration of distributed representations in the brain...
  67. ncbi request reprint Decreased activity in inferotemporal cortex during explicit memory: dissociating priming, novelty detection, and recognition
    Jonas Persson
    Rotman Research Institute of Baycrest Centre, University of Toronto, 3560 Bathurst Street, Toronto, Ontario, M6A 2E1, Canada
    Neuroreport 13:2181-5. 2002
    ..These results suggest that repetition suppression in IT cortex reflects recognition memory, and that such a response is not a simple function of stimulus repetition but can be modulated by top-down processing...
  68. ncbi request reprint Intact frontal memory effect in older age and dementia
    Lars Nyberg
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Neuron 42:701-2. 2004
    ..In this issue of Neuron, Lustig and Buckner demonstrate that both groups show comparable repetition-based effects on response time and prefrontal activity relative to younger adults...
  69. ncbi request reprint The memory-enhancing effects of Ginseng and Ginkgo biloba in healthy volunteers
    Jonas Persson
    Department of Psychology, Umea University, 901 87 Umea, Sweden
    Psychopharmacology (Berl) 172:430-4. 2004
    ..Nonetheless, both Ginkgo biloba and Ginseng are marketed as having the capacity to enhance cognitive functions, such as memory and learning, in the long term...
  70. ncbi request reprint Memory-provoked rCBF-SPECT as a diagnostic tool in Alzheimer's disease?
    Torbjörn Sundström
    Department of Radiation Sciences, Diagnostic Radiology, Umea University, Umea University Hospital, 901 85, Umea, Sweden
    Eur J Nucl Med Mol Imaging 33:73-80. 2006
    ..e. memory-provoked rCBF-SPECT (MP-SPECT)...
  71. ncbi request reprint Structure-function correlates of cognitive decline in aging
    Jonas Persson
    Department of Psychology, Umea University, S 901 87 Umea, Sweden
    Cereb Cortex 16:907-15. 2006
    ....
  72. ncbi request reprint Treatment of chronic stress in employees: subjective, cognitive and neural correlates
    Jan Bergdahl
    Department of Psychology, Umea University, Sweden
    Scand J Psychol 46:395-402. 2005
    ..The fMRI scanning indicated a qualitative change in the neural network subserving episodic memory. These preliminary results suggest that the Affect School is effective on individuals with high stress...
  73. ncbi request reprint High prevalence of white matter hyperintensities in normal aging: relation to blood pressure and cognition
    Hedvig Söderlund
    Department of Psychology, Stockholm University, Stockholm, Sweden
    Cortex 39:1093-105. 2003
    ..Periventricular WMHs had a negative effect on episodic memory, although the relation was not linear. Collectively, the notion that white matter hyperintensities impair cognitive function got weak support in this Swedish sample...
  74. ncbi request reprint Altered prefrontal brain activity in persons at risk for Alzheimer's disease: an fMRI study
    Eva Elgh
    Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umea University, Sweden
    Int Psychogeriatr 15:121-33. 2003
    ..This was achieved by combining a validated neurocognitive screening battery (the 7-minutes test) with memory assessment and fMRI...
  75. ncbi request reprint Genetic variation in memory functioning
    Lars Göran Nilsson
    Department of Psychology, Stockholm University, Stockholm SE 10691, Sweden
    Neurosci Biobehav Rev 26:841-8. 2002
    ..This effect was most pronounced in tasks providing cognitive support at both encoding and retrieval, suggesting a deficit in utilizing such support in carriers of the epsilon 4 allele...
  76. doi request reprint Internal imagery training in active high jumpers
    C J Olsson
    Department of Integrative Medical Biology Physiology, Umea University, Sweden
    Scand J Psychol 49:133-40. 2008
    ..No other differences were found. The results suggest that internal imagery training may be used to improve a component of a complex motor skill. Possible explanations and future recommendations are discussed...
  77. ncbi request reprint Brain activation while forming memories of fearful and neutral faces in women and men
    Hakan Fischer
    Karolinska Institute, Aging Research Center, Stockholm, Sweden
    Emotion 7:767-73. 2007
    ..These findings suggest that women and men use similar neural networks to encode facial information, with only subtle sex differences observed for neutral faces...
  78. ncbi request reprint Why the elderly fall in residential care facilities, and suggested remedies
    Kristina Kallin
    Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umea University, Umea, Sweden
    J Fam Pract 53:41-52. 2004
    ..To study precipitating factors for falls among older people living in residential care facilities...
  79. ncbi request reprint Fall and injury prevention in residential care--effects in residents with higher and lower levels of cognition
    Jane Jensen
    Department of Community Medicine and Rehabilitation, Geriatric Medicine and Physiotherapy, Umea University, Sweden
    J Am Geriatr Soc 51:627-35. 2003
    ..To evaluate the effectiveness of a multifactorial fall and injury prevention program in older people with higher and lower levels of cognition...
  80. ncbi request reprint A high-intensity functional weight-bearing exercise program for older people dependent in activities of daily living and living in residential care facilities: evaluation of the applicability with focus on cognitive function
    Håkan Littbrand
    Department of Community Medicine and Rehabilitation, Geriatric Medicine and Physiotherapy, Umea University, SE 901 87 Umea, Sweden
    Phys Ther 86:489-98. 2006
    ..A second aim was to analyze whether cognitive function was associated with the applicability of the program...
  81. ncbi request reprint Daily life among the oldest old with and without previous hip fractures
    Eva Elinge
    Department of Community Medicine and Rehabilitation, Umea University, Sweden
    Scand J Occup Ther 12:51-8. 2005
    ..Therefore, trials concerning the effects of more extensive and prolonged rehabilitation following hip fracture would be of great interest..
  82. pmc How a lateralized brain supports symmetrical bimanual tasks
    Roland S Johansson
    Department of Integrative Medical Biology, Physiology Section, Umea University, Umea, Sweden
    PLoS Biol 4:e158. 2006
    ..Finally, flexible role assignment of the hands is manifest at multiple levels of the motor system, from cortical regions all the way down to particular muscles...
  83. ncbi request reprint Using a virtual reality system to study balance and walking in a virtual outdoor environment: a pilot study
    Lars Nyberg
    Department of Community Medicine and Rehabilitation, Umea University, Umea, Sweden
    Cyberpsychol Behav 9:388-95. 2006
    ..This effect was not observed while the test subjects were walking in a virtual snowfall. The model needs further development but may hold a potential for clinical use...
  84. pmc Altered cerebral blood flow in chronic neck pain patients but not in whiplash patients: a 99mTc-HMPAO rCBF study
    Torbjörn Sundström
    Department of Radiation Sciences, Diagnostic Radiology, Norrlands University Hospital, Umea University, 901 85, Umea, Sweden
    Eur Spine J 15:1189-95. 2006
    ..The present study suggests different pain mechanisms in patients with chronic neck pain of non-traumatic origin compared to those with chronic neck pain due to a whiplash trauma...
  85. ncbi request reprint Neuropsychological functioning and MMPI-2 profiles in chronic neck pain: a comparison of whiplash and non-traumatic groups
    Michel Guez
    Department of Surgery and Perioperative Science, Umea University Hospital, Umea, Sweden
    J Clin Exp Neuropsychol 27:151-63. 2005
    ..It is concluded that the subjective complaints and poor performance in patients with chronic neck pain may be associated to somatization and inadequate coping, especially in chronic whiplash patients...
  86. ncbi request reprint Having had a hip fracture--association with dependency among the oldest old
    Michael Stenvall
    Department of Community Medicine and Rehabilitation, Geriatric Medicine, Umea University, SE 901 87 Umea, Sweden
    Age Ageing 34:294-7. 2005
  87. ncbi request reprint The extent of stability and change in episodic and semantic memory in old age: demographic predictors of level and change
    Martin Lövdén
    Department of Psychology, Stockholm University, Sweden
    J Gerontol B Psychol Sci Soc Sci 59:P130-4. 2004
    ..Collectively, these results depict relatively high degrees of structural stability and stability of interindividual differences in declarative memory in old age...
  88. ncbi request reprint Effects of a fall prevention program including exercise on mobility and falls in frail older people living in residential care facilities
    Jane Jensen
    Department of Community Medicine and Rehabilitation, Geriatric Medicine and Physiotherapy, Umea University, Sweden
    Aging Clin Exp Res 16:283-92. 2004
    ..A secondary hypothesis was that these effects would be associated with a reduced risk of falling...
  89. ncbi request reprint Intra-individual variability in behavior: links to brain structure, neurotransmission and neuronal activity
    Stuart W S MacDonald
    Aging Research Center, Karolinska Institutet, Gavlegatan 16, S 113 30 Stockholm, Sweden
    Trends Neurosci 29:474-80. 2006
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