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1,802 results
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Learning by doing versus learning by thinking: An fMRI study of motor and mental training.
Nyberg L, Eriksson J, Larsson A, Marklund P. Nyberg L, et al. Among authors: larsson a. Neuropsychologia. 2006;44(5):711-7. doi: 10.1016/j.neuropsychologia.2005.08.006. Epub 2005 Oct 7. Neuropsychologia. 2006. PMID: 16214184
The purpose of the present study was to identify neural correlates of training-related changes on a finger-tapping task. Subjects were scanned twice, 1 week apart, with fMRI while they performed two finger-tapping sequences with the left hand. ...The non-specific training …
The purpose of the present study was to identify neural correlates of training-related changes on a finger-tapping task. Subjects wer …
Three-day CSF drainage barely reduces ventricular size in normal pressure hydrocephalus.
Lenfeldt N, Hansson W, Larsson A, Birgander R, Eklund A, Malm J. Lenfeldt N, et al. Among authors: larsson a. Neurology. 2012 Jul 17;79(3):237-42. doi: 10.1212/WNL.0b013e31825fdf8a. Epub 2012 Jul 3. Neurology. 2012. PMID: 22764254
OBJECTIVE: External lumbar drainage (ELD) of CSF is a test to determine the suitability of a shunt for patients with normal pressure hydrocephalus (NPH), but its effect on ventricular volume is not known. ...METHODS: Fifteen patients were investigated in a 1. …
OBJECTIVE: External lumbar drainage (ELD) of CSF is a test to determine the suitability of a shunt for patients with normal pr …
Cortical regions underlying successful encoding of semantically congruent and incongruent associations between common auditory and visual objects.
Naghavi HR, Eriksson J, Larsson A, Nyberg L. Naghavi HR, et al. Among authors: larsson a. Neurosci Lett. 2011 Nov 14;505(2):191-5. doi: 10.1016/j.neulet.2011.10.022. Epub 2011 Oct 19. Neurosci Lett. 2011. PMID: 22024505
Here we used event-related functional MRI in a subsequent memory paradigm to investigate the neural substrates of successful encoding of semantically congruent and incongruent AV memories. ...These results may highlight a common role of IFG in retrieval of semantic …
Here we used event-related functional MRI in a subsequent memory paradigm to investigate the neural substrates of successful encoding …
The claustrum/insula region integrates conceptually related sounds and pictures.
Naghavi HR, Eriksson J, Larsson A, Nyberg L. Naghavi HR, et al. Among authors: larsson a. Neurosci Lett. 2007 Jul 5;422(1):77-80. doi: 10.1016/j.neulet.2007.06.009. Epub 2007 Jun 14. Neurosci Lett. 2007. PMID: 17597301
This phenomenon, known as multisensory integration (MSI), is a ubiquitous feature of everyday life and has been found to be essential for a reliable interaction with the environment. ...However, little is known about the neural basis of a fundamental form of …
This phenomenon, known as multisensory integration (MSI), is a ubiquitous feature of everyday life and has been found to be essential …
Item-specific training reduces prefrontal cortical involvement in perceptual awareness.
Eriksson J, Larsson A, Nyberg L. Eriksson J, et al. Among authors: larsson a. J Cogn Neurosci. 2008 Oct;20(10):1777-87. doi: 10.1162/jocn.2008.20064. J Cogn Neurosci. 2008. PMID: 18211240
A bottom-up account predicts that PFC activity would be largely insensitive to stimulus difficulty, whereas a top-down account predicts reduced PFC activity as identification becomes easier. ...This was further confirmed by a functional connectivity analysis
A bottom-up account predicts that PFC activity would be largely insensitive to stimulus difficulty, whereas a top-down account
Influence of COMT gene polymorphism on fMRI-assessed sustained and transient activity during a working memory task.
de Frias CM, Marklund P, Eriksson E, Larsson A, Oman L, Annerbrink K, Bäckman L, Nilsson LG, Nyberg L. de Frias CM, et al. Among authors: larsson a. J Cogn Neurosci. 2010 Jul;22(7):1614-22. doi: 10.1162/jocn.2009.21318. J Cogn Neurosci. 2010. PMID: 19642882
The catechol O-methyltransferase (COMT) gene--encoding an enzyme that is essential for the degradation of dopamine (DA) in prefrontal cortex (PFC)--contains a single nucleotide polymorphism (val/met) important for cognition. ...Met carriers displayed a greater trans …
The catechol O-methyltransferase (COMT) gene--encoding an enzyme that is essential for the degradation of dopamine (DA) in prefrontal cortex …
Dynamic switching between semantic and episodic memory systems.
Kompus K, Olsson CJ, Larsson A, Nyberg L. Kompus K, et al. Among authors: larsson a. Neuropsychologia. 2009 Sep;47(11):2252-60. doi: 10.1016/j.neuropsychologia.2008.11.031. Epub 2008 Dec 6. Neuropsychologia. 2009. PMID: 19109984
Healthy volunteers were pre-trained on a set of 36 face-name pairs over a 6-week period. Another set of 36 items was shown only once during the same time period. ...High-familiar items were associated with stronger activation of posterior cortices and a left …
Healthy volunteers were pre-trained on a set of 36 face-name pairs over a 6-week period. Another set of 36 items was shown onl …
Motor representations and practice affect brain systems underlying imagery: an FMRI study of internal imagery in novices and active high jumpers.
Olsson CJ, Jonsson B, Larsson A, Nyberg L. Olsson CJ, et al. Among authors: larsson a. Open Neuroimag J. 2008;2:5-13. doi: 10.2174/1874440000802010005. Epub 2008 Jan 31. Open Neuroimag J. 2008. PMID: 19018312 Free PMC article.
Imagery training resulted in a reduction of activity in parietal cortex. These results indicate that in order to use an internal perspective during motor imagery of a complex skill, one must have well established motor representations of the skill which then transla …
Imagery training resulted in a reduction of activity in parietal cortex. These results indicate that in order to use an internal pers …
Idiopathic normal pressure hydrocephalus: increased supplementary motor activity accounts for improvement after CSF drainage.
Lenfeldt N, Larsson A, Nyberg L, Andersson M, Birgander R, Eklund A, Malm J. Lenfeldt N, et al. Among authors: larsson a. Brain. 2008 Nov;131(Pt 11):2904-12. doi: 10.1093/brain/awn232. Epub 2008 Oct 18. Brain. 2008. PMID: 18931387
Left-hand finger tapping showed a tendency to improve, the number of keystrokes increasing from 91 +/- 40 to 105 +/- 20 (P = 0.12). ...The results suggest that motor function recovery in INPH patients after CSF removal is related to enhanced activity in medial parts of fro …
Left-hand finger tapping showed a tendency to improve, the number of keystrokes increasing from 91 +/- 40 to 105 +/- 20 (P = 0.12). . …
Transfer of learning after updating training mediated by the striatum.
Dahlin E, Neely AS, Larsson A, Bäckman L, Nyberg L. Dahlin E, et al. Among authors: larsson a. Science. 2008 Jun 13;320(5882):1510-2. doi: 10.1126/science.1155466. Science. 2008. PMID: 18556560 Clinical Trial.
We demonstrate transfer to a 3-back test of working memory after 5 weeks of training in updating. The transfer effect was based on a joint training-related activity increase for the criterion (letter memory) and transfer tasks in a striatal region that also w …
We demonstrate transfer to a 3-back test of working memory after 5 weeks of training in updating. The transfer effect was based on …
1,802 results
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