External modulation of visual perception in humans. Export

@article{citeulike:3130605, abstract = {Static and dynamic contrast sensitivities (sCS and dCS) were evaluated before, during, immediately after and 10 min after anodal and cathodal transcranial direct current stimulation (tDCS) applied to the occipital cortex of 15 healthy subjects. Using 4 c/d spatial and 4 Hz temporal frequencies significant sCS and dCS loss was found during and immediately after 7 min cathodal stimulation while anodal stimulation had no effect. Ten minutes after the end of the stimulation the sCS and dCS values had reached the baseline levels. Our results show that primary visual functions, such as contrast detection can be transiently altered by transcranial weak direct current stimulation, most probably modulating neural excitability, as has been shown in the motor cortex previously. The present study also support the view that this method using weak current can be a non-invasive promising tool to induce reversible focal changes in the nervous system.}, address = {Department of Clinical Neurophysiology, Georg-August University of G\"{o}ttingen, Robert Koch Str. 40, 37070 G\"{o}ttingen, Germany.}, author = {Antal, A. and Nitsche, M. A. and Paulus, W.}, citeulike-article-id = {3130605}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/11733710}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=11733710}, day = {16}, issn = {0959-4965}, journal = {Neuroreport}, keywords = {contrast, tdcs, tdcs-visual-cortex}, month = {November}, number = {16}, pages = {3553--3555}, posted-at = {2008-08-18 00:19:26}, priority = {2}, title = {External modulation of visual perception in humans.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/11733710}, volume = {12}, year = {2001} }

TY - JOUR ID - citeulike:3130605 L3 - citeulike-article-id:3130605 N2 - Static and dynamic contrast sensitivities (sCS and dCS) were evaluated before, during, immediately after and 10 min after anodal and cathodal transcranial direct current stimulation (tDCS) applied to the occipital cortex of 15 healthy subjects. Using 4 c/d spatial and 4 Hz temporal frequencies significant sCS and dCS loss was found during and immediately after 7 min cathodal stimulation while anodal stimulation had no effect. Ten minutes after the end of the stimulation the sCS and dCS values had reached the baseline levels. Our results show that primary visual functions, such as contrast detection can be transiently altered by transcranial weak direct current stimulation, most probably modulating neural excitability, as has been shown in the motor cortex previously. The present study also support the view that this method using weak current can be a non-invasive promising tool to induce reversible focal changes in the nervous system. IS - 16 JF - Neuroreport SN - 0959-4965 AD - Department of Clinical Neurophysiology, Georg-August University of Göttingen, Robert Koch Str. 40, 37070 Göttingen, Germany. EP - 3555 TI - External modulation of visual perception in humans. VL - 12 SP - 3553 KW - contrast KW - tdcs KW - tdcs-visual-cortex AU - Antal, A AU - Nitsche, MA AU - Paulus, W PY - 2001/11/16/ UR - http://view.ncbi.nlm.nih.gov/pubmed/11733710 ER -