R P Kessels

Summary

Affiliation: Utrecht University
Country: The Netherlands

Publications

  1. ncbi request reprint Spatial and temporal order memory in Korsakoff patients
    Albert Postma
    Psychological Laboratory, Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
    J Int Neuropsychol Soc 12:327-36. 2006
  2. ncbi request reprint Object Relocation: a program for setting up, running, and analyzing experiments on memory for object locations
    R P Kessels
    Department of Psychonomics, Utrecht University, The Netherlands
    Behav Res Methods Instrum Comput 31:423-8. 1999
  3. ncbi request reprint The contribution of implicit and explicit memory to the effects of errorless learning: a comparison between young and older adults
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, The Netherlands
    J Int Neuropsychol Soc 11:144-51. 2005
  4. ncbi request reprint Spatial memory deficits in patients after unilateral selective amygdalohippocampectomy
    Roy P C Kessels
    Department of Psychonomics, Helmholtz Institut, Utrecht University, The Netherlands
    J Int Neuropsychol Soc 10:907-12. 2004
  5. ncbi request reprint [The Location Learning Test as a measure of spatial memory: applicability of a modified administration procedure and normative data]
    R P C Kessels
    Helmholtz Instituut, Capaciteitsgroep Psychonomie, Universiteit Utrecht, Heidelberglaan 2, 3584 CS Utrecht
    Tijdschr Gerontol Geriatr 35:147-52. 2004
  6. ncbi request reprint Implicit learning in memory rehabilitation: a meta-analysis on errorless learning and vanishing cues methods
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, The Netherlands
    J Clin Exp Neuropsychol 25:805-14. 2003
  7. ncbi request reprint Mnemonic strategies in older people: a comparison of errorless and errorful learning
    Roy P C Kessels
    Helmholtz Research Institute, Department of Psychonomics, Utrecht University, The Netherlands
    Age Ageing 32:529-33. 2003
  8. pmc Patients' memory for medical information
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, Heidelberglaan 2, NL 3584 CS Utrecht, The Netherlands
    J R Soc Med 96:219-22. 2003
  9. ncbi request reprint Selective impairments in spatial memory after ischaemic stroke
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, Utrecht, The Netherlands
    J Clin Exp Neuropsychol 24:115-29. 2002
  10. ncbi request reprint Lateralization of spatial-memory processes: evidence on spatial span, maze learning, and memory for object locations
    Roy P C Kessels
    Department of Psychonomics, Helmholtz Institute, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands
    Neuropsychologia 40:1465-73. 2002

Detail Information

Publications61

  1. ncbi request reprint Spatial and temporal order memory in Korsakoff patients
    Albert Postma
    Psychological Laboratory, Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
    J Int Neuropsychol Soc 12:327-36. 2006
    ..Moreover, their lower recall of both features at the same time suggests that Korsakoff patients are impaired in binding different contextual attributes together in memory...
  2. ncbi request reprint Object Relocation: a program for setting up, running, and analyzing experiments on memory for object locations
    R P Kessels
    Department of Psychonomics, Utrecht University, The Netherlands
    Behav Res Methods Instrum Comput 31:423-8. 1999
    ..Object Relocation is a very flexible program: New objects and positions can easily be added, and various options for presentation and relocation are present...
  3. ncbi request reprint The contribution of implicit and explicit memory to the effects of errorless learning: a comparison between young and older adults
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, The Netherlands
    J Int Neuropsychol Soc 11:144-51. 2005
    ..Also, it was found that the effects of errorful learning were related to explicit memory function, and not implicit processing, corroborating and extending recent findings...
  4. ncbi request reprint Spatial memory deficits in patients after unilateral selective amygdalohippocampectomy
    Roy P C Kessels
    Department of Psychonomics, Helmholtz Institut, Utrecht University, The Netherlands
    J Int Neuropsychol Soc 10:907-12. 2004
    ..Both patient groups were unimpaired on the spatial search task. These findings are discussed focusing on the "binding device" hypothesis in combination with the cognitive map theory...
  5. ncbi request reprint [The Location Learning Test as a measure of spatial memory: applicability of a modified administration procedure and normative data]
    R P C Kessels
    Helmholtz Instituut, Capaciteitsgroep Psychonomie, Universiteit Utrecht, Heidelberglaan 2, 3584 CS Utrecht
    Tijdschr Gerontol Geriatr 35:147-52. 2004
    ..The test has a high correlation with another memory test. The performance of the group healthy volunteers was used to calculate normative data for use in clinical practice...
  6. ncbi request reprint Implicit learning in memory rehabilitation: a meta-analysis on errorless learning and vanishing cues methods
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, The Netherlands
    J Clin Exp Neuropsychol 25:805-14. 2003
    ..The results of the present study show that the errorless learning technique is effective in amnesic patients. The effects on the vanishing cues method are only small (and nonsignificant)...
  7. ncbi request reprint Mnemonic strategies in older people: a comparison of errorless and errorful learning
    Roy P C Kessels
    Helmholtz Research Institute, Department of Psychonomics, Utrecht University, The Netherlands
    Age Ageing 32:529-33. 2003
    ..To compare the efficacy of errorless and errorful learning on memory performance in older people and young adults...
  8. pmc Patients' memory for medical information
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, Heidelberglaan 2, NL 3584 CS Utrecht, The Netherlands
    J R Soc Med 96:219-22. 2003
  9. ncbi request reprint Selective impairments in spatial memory after ischaemic stroke
    Roy P C Kessels
    Helmholtz Instituut, Utrecht University, Utrecht, The Netherlands
    J Clin Exp Neuropsychol 24:115-29. 2002
    ..These data further support the existence of separate cognitive processes within memory for object locations that can be selectively affected by cerebral dysfunction...
  10. ncbi request reprint Lateralization of spatial-memory processes: evidence on spatial span, maze learning, and memory for object locations
    Roy P C Kessels
    Department of Psychonomics, Helmholtz Institute, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands
    Neuropsychologia 40:1465-73. 2002
    ..These findings extend the theoretical framework of categorical versus coordinate spatial processing in the human brain and corroborate previous findings on selective aspects of memory for object locations...
  11. ncbi request reprint Memory for object locations in Korsakoff's amnesia
    R P Kessels
    Psychological Laboratory, Utrecht University, The Netherlands
    Cortex 36:47-57. 2000
    ..No evidence for selective impairments could be observed. These impairments can be linked to damage of diencephalic regions and perhaps the parietal cortex...
  12. ncbi request reprint Cognitive functioning after whiplash injury: a meta-analysis
    R P Kessels
    Department of Psychonomics, Utrecht University, The Netherlands
    J Int Neuropsychol Soc 6:271-8. 2000
    ..The results are discussed in the light of recent findings on the effect of cerebral dysfunction, malingering, pain-related factors, and the role of coping strategies and posttraumatic stress on neuropsychological test performance...
  13. ncbi request reprint Spatial working memory performance after high-frequency repetitive transcranial magnetic stimulation of the left and right posterior parietal cortex in humans
    R P Kessels
    Psychological Laboratory, Heidelberglaan 2, 3584 CS, Utrecht, The Netherlands
    Neurosci Lett 287:68-70. 2000
    ....
  14. ncbi request reprint Frontal-lobe involvement in spatial memory: evidence from PET, fMRI, and lesion studies
    R P Kessels
    Psychological Laboratory, Utrecht University, The Netherlands
    Neuropsychol Rev 10:101-13. 2000
    ..Also, methodological issues were discussed. Further research is needed to enhance our understanding of the precise interaction of domain-specific and general processes...
  15. pmc Spatial memory impairment in patients after tumour resection: evidence for a double dissociation
    R P Kessels
    Psychological Laboratory, Utrecht University, The Netherlands
    J Neurol Neurosurg Psychiatry 69:389-91. 2000
    ..These results are in agreement with previous findings on the involvement of the right hemisphere and the posterior parietal cortices in spatial processing...
  16. ncbi request reprint The Corsi Block-Tapping Task: standardization and normative data
    R P Kessels
    Psychological Laboratory, Utrecht University, Utrecht, The Netherlands
    Appl Neuropsychol 7:252-8. 2000
    ..These data show that the Corsi Block-Tapping Task can be effectively used to assess visuospatial short-term memory in patients with brain damage, and is selective for the side of the lesion...
  17. ncbi request reprint Varieties of human spatial memory: a meta-analysis on the effects of hippocampal lesions
    R P Kessels
    Helmholtz Instituut, Department of Psychonomics, Utrecht University, Heidelberglaan 2, 3584 CS, Utrecht, The Netherlands
    Brain Res Brain Res Rev 35:295-303. 2001
    ..Moreover, these results strongly support the notion that the hippocampus is important in the processing of metric positional information, probably in the form of an allocentric cognitive map...
  18. ncbi request reprint 1 hz rTMS over the right prefrontal cortex reduces vigilant attention to unmasked but not to masked fearful faces
    Jack van Honk
    Helmholtz Research Institute, Affective Neuroscience Section, Utrecht University, The, Utrecht, Netherlands
    Biol Psychiatry 52:312-7. 2002
    ..The current study used low-frequency rTMS over the right PFC and indexed selective attention to fearful faces, hypothesizing a reduction in attention for fearful faces, i.e., a reversal of the latter effect...
  19. ncbi request reprint Spatial working memory and contextual cueing in patients with Korsakoff amnesia
    Marieke Van Asselen
    Psychological Laboratory, Helmholtz Instituut, Utrecht University, The Netherlands
    J Clin Exp Neuropsychol 27:645-55. 2005
    ..Interestingly, whereas the comparison group benefited from color cues that were given to the boxes, Korsakoff patients failed to do so...
  20. ncbi request reprint Fearful faces in schizophrenia: the relationship between patient characteristics and facial affect recognition
    Mascha van't Wout
    Department of Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan, Utrecht, The Netherlands
    J Nerv Ment Dis 195:758-64. 2007
    ..Findings are explained in the light of a neuroanatomical dysfunction accounting for both negative symptoms, such as reduced emotional expression and social-emotional dysfunction, for which men seem more vulnerable than women...
  21. doi request reprint Categorical and coordinate spatial representations within object-location memory
    Marieke Van Asselen
    Psychological Laboratory, Helmholtz Instituut, Utrecht University, The Netherlands
    Cortex 44:249-56. 2008
    ..No lateralization effects were found when spatial information had to be integrated with object information. These results bear on the functional components of object-location memory and their underlying hemispheric basis...
  22. ncbi request reprint Brain areas involved in spatial working memory
    Marieke Van Asselen
    Psychological Laboratory, Helmholtz Instituut, Utrecht University, Heidelberglaan 2, NL 3584 CS Utrecht, The Netherlands
    Neuropsychologia 44:1185-94. 2006
    ....
  23. ncbi request reprint Emotional processing in a non-clinical psychosis-prone sample
    Mascha van 't Wout
    Helmholtz Research Instituut, Psychological Laboratory, Utrecht University, The Netherlands
    Schizophr Res 68:271-81. 2004
    ..We conclude that these findings lend partial support to the hypothesis of continuity between symptoms characteristic of schizophrenia and psychosis-related phenomena in the normal population...
  24. ncbi request reprint Emotional memory and perception of emotional faces in patients suffering from depersonalization disorder
    Barbara Montagne
    Utrecht University, The Netherlands
    Br J Psychol 98:517-27. 2007
    ..The results are consistent with altered processing of threat-related stimuli but intact consolidation processes, at least when the stimuli involved are potently arousing...
  25. ncbi request reprint Spatial and non-spatial contextual working memory in patients with diencephalic or hippocampal dysfunction
    Carinne Piekema
    Helmholtz Institute, Utrecht University, The Netherlands
    Brain Res 1172:103-9. 2007
    ..However, we did not find a disproportionate inability in maintaining spatial or non-spatial associations within working memory as previously demonstrated in long-term memory...
  26. doi request reprint The Brixton Spatial Anticipation Test as a test for executive function: validity in patient groups and norms for older adults
    Esther van den Berg
    Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center Utrecht, Utrecht, The Netherlands
    J Int Neuropsychol Soc 15:695-703. 2009
    ..Based on the present study, the Brixton test appears a useful addition to existing measures of executive functioning. Moreover, the test can be reliably applied in different groups of clinical patients...
  27. pmc Spared unconscious influences of spatial memory in diencephalic amnesia
    Albert Postma
    Experimental Psychology, Helmholtz Institute, Utrecht University, Heidelberglaan 2, 3584 CS, Utrecht, The Netherlands
    Exp Brain Res 190:125-33. 2008
    ..The presented results suggest that conscious and unconscious influences of spatial memory can be clearly dissociated in Korsakoff's syndrome...
  28. ncbi request reprint A detailed profile of cognitive dysfunction and its relation to psychological distress in patients with type 2 diabetes mellitus
    Augustina M A Brands
    Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center, Utrecht, The Netherlands
    J Int Neuropsychol Soc 13:288-97. 2007
    ..Contrary to our hypothesis, cognitive disturbances and psychological distress thus seem independent symptoms of the same disease...
  29. ncbi request reprint Recognition of facial expressions of different emotional intensities in patients with frontotemporal lobar degeneration
    Roy P C Kessels
    Department of Experimental Psychology, Helmholtz Instituut, Utrecht University, The Netherlands
    Behav Neurol 18:31-6. 2007
    ..These findings corroborate and extend previous results showing deficits in emotion perception in FTLD...
  30. ncbi request reprint Exploring the nature of facial affect processing deficits in schizophrenia
    Mascha van 't Wout
    Helmholtz Institute, Experimental Psychology, Utrecht University, Heidelberglaan 2, 3584 CS, Utrecht, The Netherlands
    Psychiatry Res 150:227-35. 2007
    ....
  31. ncbi request reprint Object-location memory in schizophrenia: interference of symbolic threatening content
    Mascha van't Wout
    Helmholtz Institute, Utrecht University and University Medical Center, The Netherlands
    Cogn Neuropsychiatry 11:272-84. 2006
    ..Moreover, we hypothesised that symbolic threatening content of objects would interfere with spatial processing in patients with schizophrenia but not in healthy controls...
  32. ncbi request reprint Cognitive performance, psychological well-being, and brain magnetic resonance imaging in older patients with type 1 diabetes
    Augustina M A Brands
    Department of Neurology, Univaersity Medial Center, Utrecht, The Netherlands
    Diabetes 55:1800-6. 2006
    ..We conclude that cognition in older type 1 diabetic patients is only mildly disturbed. Chronic exposure to hyperglycemia is in itself, even at older age, apparently not sufficient to have considerable impact on the brain...
  33. ncbi request reprint Functional anatomy of top-down visuospatial processing in the human brain: evidence from rTMS
    Andre Aleman
    Helmholtz Instituut, Psychological Laboratory, Utrecht University, Heidelberglaan 2, Utrecht, The Netherlands
    Brain Res Cogn Brain Res 14:300-2. 2002
    ..Performance deteriorated significantly after rTMS over the parietal, but not occipital, cortex. These data support a causal link between parietal activation and top-down spatial processing...
  34. ncbi request reprint Salivary cortisol and short and long-term memory for emotional faces in healthy young women
    Peter Putman
    Helmholtz Institute, Universiteit Utrecht, Psychonomics Division, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands
    Psychoneuroendocrinology 29:953-60. 2004
    ..This relation to cortisol was not valence-specific and is similar to effects predicted by a model on long-term consolidation and the influence of cortisol in this process...
  35. ncbi request reprint Sex differences for selective forms of spatial memory
    Albert Postma
    Psychological Laboratory, Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
    Brain Cogn 54:24-34. 2004
    ..Together, these findings provide further insight in the specificity of sex differences in spatial memory and in the functional architecture of spatial memory. Implications for the relevant evolutionary basis are discussed...
  36. ncbi request reprint Processing of emotional facial expressions in Korsakoff's syndrome
    Barbara Montagne
    Psychological Laboratory, Helmholtz Instituut, Utrecht University, Utrecht, The Netherlands
    Cortex 42:705-10. 2006
    ..These deficits might be due to the reported sub-cortical brain dysfunction in Korsakoff's syndrome...
  37. ncbi request reprint Effects of testosterone administration on selective aspects of object-location memory in healthy young women
    A Postma
    Psychological Laboratory, Utrecht University, Department of Psychonomics, The Netherlands
    Psychoneuroendocrinology 25:563-75. 2000
    ..Although the effects were only small and need further substantiation, they support the idea that testosterone may have an activational effect on selective aspects of cognitive functioning...
  38. ncbi request reprint Neural correlates of human wayfinding in stroke patients
    Marieke Van Asselen
    Psychological Laboratory, Helmholtz Instituut, Utrecht University, The Netherlands
    Brain Res 1067:229-38. 2006
    ..Finally, damage to the right temporal lobe impaired the ability to draw the route...
  39. ncbi request reprint The right hippocampus participates in short-term memory maintenance of object-location associations
    Carinne Piekema
    Department of Psychonomics, Helmholtz Instituut, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands
    Neuroimage 33:374-82. 2006
    ..The present results suggest a hippocampal involvement in active maintenance when feature combinations that include spatial information have to be maintained online...
  40. ncbi request reprint Transcranial magnetic stimulation of left auditory cortex in patients with schizophrenia: effects on hallucinations and neurocognition
    Alfredo A L d'Alfonso
    Psychological Laboratory, Utrecht University, The Netherlands
    J Neuropsychiatry Clin Neurosci 14:77-9. 2002
    ..A statistically significant improvement was observed on a hallucination scale after 10 days of TMS at the left auditory cortex...
  41. doi request reprint How the brain remembers and forgets where things are: the neurocognition of object-location memory
    Albert Postma
    Helmholtz Institute, Utrecht University, The Netherlands
    Neurosci Biobehav Rev 32:1339-45. 2008
    ..While automatic routines protect against brain damage, neural deficits might potentially also lead to a shift upon the automatic-effortful continuum...
  42. doi request reprint The hippocampus supports encoding of between-domain associations within working memory
    Carinne Piekema
    Helmholtz Institute, Utrecht University, Utrecht, The Netherlands
    Learn Mem 16:231-4. 2009
    ..Thus, the hippocampus is important for associative encoding, and furthermore, shows greater activation when the stimuli to be associated come from different stimulus categories...
  43. ncbi request reprint Effects of errorless and errorful face-name associative learning in moderate to severe dementia
    Carla Ruis
    Helmholtz Instituut, Utrecht University, The Netherlands
    Aging Clin Exp Res 17:514-7. 2005
    ..Although errorless learning is a clinically promising technique used in cognitive training settings, to date only a few studies have examined errorless learning in patients with dementia...
  44. ncbi request reprint Cognitive functioning and brain MRI in patients with type 1 and type 2 diabetes mellitus: a comparative study
    Augustina M A Brands
    Helmholtz Instituut, Department of Experimental Psychology, Utrecht University, Utrecht, The Netherlands
    Dement Geriatr Cogn Disord 23:343-50. 2007
    ..It has been suggested that cognitive impairments are more pronounced in DM2 than in DM1, but studies that directly compare the effects of these 2 types of DM on cognition are lacking...
  45. ncbi request reprint Cognitive impairments, psychological dysfunction, and coping styles in patients with chronic whiplash syndrome
    Fieke K Bosma
    Helmholtz Instituut, Utrecht University, The Netherlands
    Neuropsychiatry Neuropsychol Behav Neurol 15:56-65. 2002
    ..To investigate underlying mechanisms of cognitive dysfunction in whiplash syndrome, focusing on psychologic factors and coping mechanisms...
  46. doi request reprint Differences in finger localisation performance of patients with finger agnosia
    Helen A Anema
    Experimental Psychology, Helmholtz Research Institute, Utrecht University, Heidelberglaan 2, 3584 CS Utrecht, The Netherlands
    Neuroreport 19:1429-33. 2008
    ....
  47. ncbi request reprint A single administration of testosterone improves visuospatial ability in young women
    Andre Aleman
    Psychological Laboratory, Helmholtz Research Instituut, The Netherlands
    Psychoneuroendocrinology 29:612-7. 2004
    ..Testosterone is suggested to be causally related to visuospatial ability in young women...
  48. doi request reprint Cognitive functioning in elderly persons with type 2 diabetes and metabolic syndrome: the Hoorn study
    Esther van den Berg
    Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center, Utrecht, The Netherlands
    Dement Geriatr Cogn Disord 26:261-9. 2008
    ..Cognitive decrements may already develop in these early stages...
  49. ncbi request reprint The effects of type 1 diabetes on cognitive performance: a meta-analysis
    Augustina M A Brands
    Department of Neurology, University Medical Center, Utrecht, The Netherlands
    Diabetes Care 28:726-35. 2005
    ..To investigate the exact nature and magnitude of cognitive impairments in patients with type 1 diabetes and the possible association with other disease variables, such as recurrent episodes of hypoglycemia and metabolic control...
  50. ncbi request reprint Perception of emotional facial expressions at different intensities in early-symptomatic Huntington's disease
    Barbara Montagne
    Psychological Laboratory, Helmholtz Instituut, Utrecht University, The Netherlands
    Eur Neurol 55:151-4. 2006
    ....
  51. doi request reprint Blood pressure levels in pre-diabetic stages are associated with worse cognitive functioning in patients with type 2 diabetes
    Esther van den Berg
    Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center, Utrecht, The Netherlands
    Diabetes Metab Res Rev 25:657-64. 2009
    ..The present study compared the vascular risk factor profile over the preceding 16 years between T2DM patients with good cognitive functioning and those with poor cognitive functioning...
  52. doi request reprint Confabulation behavior and false memories in Korsakoff's syndrome: role of source memory and executive functioning
    Roy P C Kessels
    Nijmegen Institute for Cognition and Information, Radboud University Nijmegen, The Netherlands
    Psychiatry Clin Neurosci 62:220-5. 2008
    ..Provoked confabulations may be related to intrusions on memory tests, whereas spontaneous confabulations may be due to executive dysfunction or a source memory deficit...
  53. ncbi request reprint The Emotion Recognition Task: a paradigm to measure the perception of facial emotional expressions at different intensities
    Barbara Montagne
    Radboud University Nijmegen Medical Centre
    Percept Mot Skills 104:589-98. 2007
    ..These findings indicate that this paradigm is probably more sensitive than emotion perception tasks using static images, suggesting it is a useful tool in the assessment of subtle impairments in emotion perception...
  54. ncbi request reprint Brain magnetic resonance imaging correlates of impaired cognition in patients with type 2 diabetes
    Sanne M Manschot
    Department of Neurology, Rudolf Magnus Institute of Neuroscience, University Medical Center, P O Box 85500, 3508 GA Utrecht, The Netherlands
    Diabetes 55:1106-13. 2006
    ..We conclude that cognitive impairments in patients with type 2 diabetes are not only associated with subcortical ischemic changes in the brain, but also with increased brain atrophy...
  55. ncbi request reprint Reduced sensitivity in the recognition of anger and disgust in social anxiety disorder
    Barbara Montagne
    Utrech University and Radboud University Centre, Nijmegen, The Netherlands
    Cogn Neuropsychiatry 11:389-401. 2006
    ..It is well documented that in different psychiatric disorders (e.g., depression, schizophrenia) patients may show an altered processing of emotions. However, in generalised social anxiety, emotion recognition has not been studied...
  56. ncbi request reprint The impact of self-reported depressive symptoms on memory function in neurological outpatients
    Roy P C Kessels
    Department of Geriatrics, Radboud University Nijmegen Medical Centre, The Netherlands
    Clin Neurol Neurosurg 109:323-6. 2007
    ..To examine the effect of self-reported depressive symptoms on memory function in a non-psychiatric, non-litigation outpatient sample and to identify which memory tests may be most susceptible for depression-related decline...
  57. ncbi request reprint The modified Location Learning Test: norms for the assessment of spatial memory function in neuropsychological patients
    Roy P C Kessels
    Departments of Geriatrics and Medical Psychology, Radboud University Nijmegen Medical Center, The Netherlands
    Arch Clin Neuropsychol 21:841-6. 2006
    ..Regression-based normative data were computed based on the healthy participants. In all, the mLLT appears to be a sensitive and valid test for the detection of object-location memory impairments in clinical groups...
  58. ncbi request reprint Aging, context memory and binding: a comparison of "what, where and when" in young and older adults
    Roy P C Kessels
    Nijmegen Institute for Cognition and Information, Radboud University Nijmegen, The Netherlands
    Int J Neurosci 117:795-810. 2007
    ..These findings support the notion that a decline in contextual memory and binding might underlie poorer episodic memory in older participants...
  59. ncbi request reprint Route learning in amnesia: a comparison of trial-and-error and errorless learning in patients with the Korsakoff syndrome
    Roy P C Kessels
    NICI, Neuropsychology and Rehabilitation, Radboud University Nijmegen and Department of Medical Psychology, Radboud University Nijmegen Medical Centre, The Netherlands
    Clin Rehabil 21:905-11. 2007
    ..To examine the errorless learning approach using a procedural memory task (i.e. learning of actual routes) in patients with amnesia, as compared to trial-and-error learning...
  60. ncbi request reprint Whiplash controversy
    Robert Ferrari
    Neuropsychiatry Neuropsychol Behav Neurol 15:220-4; author reply 222-4. 2002
  61. ncbi request reprint Cerebral dysfunction in type 1 diabetes: effects of insulin, vascular risk factors and blood-glucose levels
    Augustina M A Brands
    Department of Neurology, G03 228, University Medical Center, PO Box 85500, 3508 GA Utrecht, The Netherlands
    Eur J Pharmacol 490:159-68. 2004
    ..Interestingly, the differences in the "cognitive profile" between type 1 and type 2 diabetes also suggest a critical role for disturbances of insulin action in the central nervous system...