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10.1097/WNR.0000000000000614 http://scihub22266oqcxt.onion/10.1097/WNR.0000000000000614 C4905619!4905619!27254394     free     free     free Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Neuroreport 2016 ; 27 (10): 783-6 Nephropedia Template TP {{tp|p=27254394|t=2016. Visual evoked potentials to an illusory change in brightness: the Craik?Cornsweet?O?Brien effect |pdf=|usr=}}{{27254394}} gab.com Text Visual evoked potentials to an illusory change in brightness: the Craik Cornsweet O Brien effect JO: Neuroreport http://www.kidney.de/pget.php?&tw=1&pmid=27254394 #FOAvip Can brain electrical activity associated with the Craik?Cornsweet?O?Brien effect (CCOB) be identified in humans? Opposing luminance gradients met in the middle of a square image to create a luminance contrast-defined vertical border. The resulting rectangles on each side of the border were otherwise equiluminant, but appeared to differ in brightness, the CCOB effect. When the contrast gradients were swapped, the participants perceived darker and lighter rectangles trading places. This dynamic CCOB stimulus was reversed 1/s to elicit visual evoked potentials. The CCOB effect was absent in two control conditions. In one, the immediate contrast border, where the gradients met, was replaced by a dark vertical stripe; in the other, the outer segments of both rectangles, where the illusion would otherwise occur, were replaced by dark rectangles, leaving only the contrast-reversing gradients. Visual evoked potential components P1 and N2 were present for the CCOB stimuli, but not the control stimuli. Results are consistent with functional MRI and single unit evidence, suggesting that the brightness of the CCOB effect becomes dissociated from the luminance falling on the eye early in visual processing. These results favor explanations of brightness induction invoking rapid, early amplification of very low spatial-frequency information in the image to approximate natural scenes as opposed to a sluggish brightness adjustment spreading from the contrast border. Twit Text FOAVip Visual evoked potentials to an illusory change in brightness: the Craik Cornsweet O Brien effect ????Neuroreport http://www.kidney.de/pget.php?&tw=1&pmid=27254394 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=27254394 #FOAvip English Wikipedia <ref>{{Cite pmid|27254394}}</ref> Visual evoked potentials to an illusory change in brightness: the Craik?Cornsweet?O?Brien effect #MMPMID27254394 Suter S; Crown N Neuroreport 2016[Jul]; 27 (10): 783-6 PMID27254394show ga Can brain electrical activity associated with the Craik?Cornsweet?O?Brien effect (CCOB) be identified in humans? Opposing luminance gradients met in the middle of a square image to create a luminance contrast-defined vertical border. The resulting rectangles on each side of the border were otherwise equiluminant, but appeared to differ in brightness, the CCOB effect. When the contrast gradients were swapped, the participants perceived darker and lighter rectangles trading places. This dynamic CCOB stimulus was reversed 1/s to elicit visual evoked potentials. The CCOB effect was absent in two control conditions. In one, the immediate contrast border, where the gradients met, was replaced by a dark vertical stripe; in the other, the outer segments of both rectangles, where the illusion would otherwise occur, were replaced by dark rectangles, leaving only the contrast-reversing gradients. Visual evoked potential components P1 and N2 were present for the CCOB stimuli, but not the control stimuli. Results are consistent with functional MRI and single unit evidence, suggesting that the brightness of the CCOB effect becomes dissociated from the luminance falling on the eye early in visual processing. These results favor explanations of brightness induction invoking rapid, early amplification of very low spatial-frequency information in the image to approximate natural scenes as opposed to a sluggish brightness adjustment spreading from the contrast border. äVisual evoked potentials to an illusory change in brightness: the Crai(epmc).pdf DeepDyve Pubget Overpricing