Research Topics
| J B DeijenSummaryAffiliation: Vrije Universiteit Country: The Netherlands Publications
| Collaborators
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Detail Information
Publications
Cognitive impairments and mood disturbances in growth hormone deficient menJ B Deijen
Department of Psychophysiology, Vrije Universiteit, Amsterdam, The Netherlands
Psychoneuroendocrinology 21:313-22. 1996..We conclude that, from a psychological point of view, MPHD and IGHD adult patients are quite distinct groups...- Pupillometric assessment of compensatory effort in a memory search task under physical and pharmacologically-induced suboptimal statesJ B Deijen
Vrije Universiteit, Department of Psychophysiology, Amsterdam, The Netherlands
Can J Exp Psychol 49:387-96. 1995..The pupil response appears to be a valuable tool for gaining more insight into different effects of suboptimal states... - The influence of type of information, somatization, and locus of control on attitude, knowledge, and compliance with respect to the triphasic oral contraceptive Tri-MinuletJ B Deijen
Vrije Universiteit, Department of Psychophysiology, Amsterdam, The Netherlands
Contraception 56:31-41. 1997..In somatizers and externals, who particularly showed a poor knowledge and a negative pill-attitude, this knowledge was increased by the combination of brochures and tape... 
Deficits in visuo-spatial working memory, inhibition and oculomotor control in boys with ADHD and their non-affected brothersN N J Rommelse
Department of Clinical Neuropsychology, VU University Amsterdam, Amsterdam, The Netherlands
J Neural Transm 115:249-60. 2008..These findings suggest memory-guided saccade deficits may relate to a familial predisposition for ADHD...- Cognitive changes during growth hormone replacement in adult menJ B Deijen
Department of Psychophysiology, Free University, Amsterdam, The Netherlands
Psychoneuroendocrinology 23:45-55. 1998..Supraphysiological treatment accelerates the recovery of memory performance. However, the long-term effects are not different from those achieved with physiological GH replacement... - Early-stage cognitive impairment in Parkinson's disease and the influence of dopamine replacement therapyI P Miah
Department of Neurology, VU University Medical Center VUmc, Amsterdam Department of Clinical Neuropsychology, VU University, Amsterdam, The Netherlands
Eur J Neurol 19:510-6. 2012.... - The relationship between IGF-I concentration, cognitive function and quality of life in adults with Prader-Willi syndromeI C van Nieuwpoort
Department of Internal Medicine, Section Endocrinology, VU University Medical Center and Neuroscience Campus Amsterdam, Amsterdam, The Netherlands
Horm Behav 59:444-50. 2011..In PWS adults, temporal as well as prefrontal cognitive functions are impaired. Higher IGF-I levels appear to be related to better intellectual skills and faster temporal memory processing in PWS patients... - Tyrosine improves cognitive performance and reduces blood pressure in cadets after one week of a combat training courseJ B Deijen
Department of Clinical Neuropsychology, Vrije Universiteit, Amsterdam, The Netherlands
Brain Res Bull 48:203-9. 1999..These findings suggest that supplementation with tyrosine may, under operational circumstances characterized by psychosocial and physical stress, reduce the effects of stress and fatigue on cognitive task performance... - Motor perseveration is an early sign of Parkinson's diseaseD Stoffers
Department of Neurology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
Neurology 57:2111-3. 2001..An impairment of random motor generation appears to be a very early feature of PD... - Oculomotor capture in ADHDS Van der Stigchel
Department of Cognitive Psychology, Vrije Universiteit, Amsterdam, The Netherlands
Cogn Neuropsychol 24:535-49. 2007.... - The influence of growth hormone (GH) deficiency and GH replacement on quality of life in GH-deficient patientsJ B Deijen
Department of Clinical Neuropsychology, Vrije Universiteit, Amsterdam, The Netherlands
J Endocrinol Invest 22:127-36. 1999..Although there is still room for improvement in the methods used to assess the effects of GH treatment on QOL in GH-deficient adults, there is now little doubt as to its beneficial effect... - Nutritional intake and daily functioning of psychogeriatric nursing home residentsJ B Deijen
Department of Clinical Neuropsychology, Vrije Universiteit, Van der Boechorststraat 1, 1081 BT Amsterdam, The Netherlands
J Nutr Health Aging 7:242-6. 2003..The level of observed daily functioning in psychogeriatric nursing home patients may be related to nutrient intake and body weight... - Cranial electrostimulation (CES) in patients with probable Alzheimer's diseaseE J A Scherder
Department of Clinical Neuropsychology, Vrije Universiteit, Van der Boechorststraat 1, 1081 BT Amsterdam, The Netherlands
Behav Brain Res 128:215-7. 2002..Eighteen AD patients, divided into an experimental and a placebo group, were treated for 30 min per day, 5 days a week, for 6 weeks. No improvements in cognition and (affective) behavior were found after CES... - The influence of growth hormone (GH) substitution on patient-reported outcomes and cognitive functions in GH-deficient patients: a meta-analysisL I Arwert
Department of Endocrinology, VU University Medical Center, P O Box 7057, 1007 MB Amsterdam, The Netherlands
Growth Horm IGF Res 15:47-54. 2005..The influence of growth hormone (GH) replacement on patient-reported outcomes (i.e., quality of life, health status and well-being) and cognitive functioning in GH-deficient adults is controversial... - Deficits on Corsi's block-tapping task in early stage Parkinson's diseaseD Stoffers
Department of Neurology, Research Institute Neurosciences Vrije Universiteit, VU University Medical Center, P O Box 7057, 1007 MB Amsterdam, The Netherlands
Parkinsonism Relat Disord 10:107-11. 2003..A decrease in sequential visuo-spatial memory span appears to be a relatively early feature of PD and most likely reflects executive rather than mnemonic dysfunction... - Age-related cognitive effects of ECT and ECT-induced mood improvement in depressive patientsP R Bosboom
Department of Clinical Neuropsychology, Vrije Universiteit, Amsterdam, The Netherlands
Depress Anxiety 23:93-101. 2006..Current findings provide evidence that ECT may improve cognitive functioning in nondemented elderly, which has strong clinical relevance concerning the use of ECT... - Slowing of oscillatory brain activity is a stable characteristic of Parkinson's disease without dementiaD Stoffers
Institute for Clinical and Experimental Neurosciences, Department of Neurology, VU University Medical Center, P O Box 7057, 1007 MB, Amsterdam, The Netherlands
Brain 130:1847-60. 2007..We postulate a role for hypofunctional non-dopaminergic ascending neurotransmitter systems in spectral power changes in non-demented Parkinson's disease patients... - Quality of life of growth hormone (GH) deficient young adults during discontinuation and restart of GH therapyP J H M Stouthart
Department of Pediatrics, VU University Medical Center, PO Box 7057, 1007 MB, Amsterdam, Netherlands
Psychoneuroendocrinology 28:612-26. 2003..It is concluded that one year discontinuation of GH treatment leads to a decrease in QoL within 6 months which effect is counteracted within 6 months after restart of GH treatment... - Increased cortico-cortical functional connectivity in early-stage Parkinson's disease: an MEG studyD Stoffers
Institute for Clinical and Experimental Neurosciences, Department of Neurology, VU University Medical Center, Amsterdam, The Netherlands
Neuroimage 41:212-22. 2008..These findings suggest that changes in functional coupling over the course of PD may be linked to the topographical progression of pathology over the brain... - The influence of computer experience on visuo-motor control: implications for visuo-motor testing in Parkinson's diseaseD Stoffers
Research Institute Neurosciences Vrije Universiteit, Department of Neurology, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
Neuropsychologia 40:1779-85. 2002..The present data further suggest that only accuracy of visuo-motor control might be a useful parameter in the (early) diagnosis of PD... - The relation between insulin-like growth factor I levels and cognition in healthy elderly: a meta-analysisL I Arwert
Department of Endocrinology, VU University Medical Center, P O Box 7057, 1007 MB Amsterdam, The Netherlands
Growth Horm IGF Res 15:416-22. 2005..Therefore, we carried out a meta-analysis on studies that report on the relation between IGF-I and cognition in healthy elderly...