Jun 7, 2007 - The bottom-up activation depends of the stimuli's properties and largely independent of the user's knowledge. Treisman [18] proposed that in a.
target \\?as randomly enlbcdded ncar the middle of a stream of 25 numerals. At the cnd of stinlulus presentation, subjccts typed. Dynamics of Automatic and ...
theories of visual attention separate the two processes both ... 1, the objects or texture, in which ... textures can be separated by the virtual boundaries (the dash.
methods, it seems reasonable to define attention as a .... attentional effect then can o~rationally be defined as ...... GABA agonist leads to severe hemineglect.
Vl, not in the retina or the nucleus. * ... superior colliculus, the direct target of retinal ganglion ...... interaction and functional architecture in the cats visual cortex.
Interestingly, when the SOA exceeded 300 ms, target detection performance ...... Psychological Science, 10, 360-365. .... Horowitz, T. S., & Wolfe, J. M. (1998).
Top-down and bottom-up control of attention. Inhibitory ... The front end of a sensory system acts as a type of passive selector, admitting some stimuli and not ...
comparison with real fixation points stemming from eye- tracking apparatus .... accuracy on fixation point measure (less than 0.5°). ... gaze on the monitor. 2328 ...
Sep 22, 1999 - ify the gain in neural response presumably underlying attention's influence. ... stationary test pattern viewed following prolonged adaptation to a moving ..... Treisman, A. M. & Gelade, G. A feature integration theory of attention.
Received 20 August 2003; received in revised form 8 December 2003. Abstract. Laboratory ...... Science, 299, 81â. 86. Burr, D. C., Morrone, M. C., & Ross, J. (1994). Selective suppression ... Crane, H. D., & Steele, C. S. (1978). Accurate three- ..
challenges with respect to the coordinate system used to control attention. ... flickering light in an otherwise static scene, automati- ... and powerful one that has variable selection criteria, .... Top-down attentional bias and training can modula
Dissociating components of visual attention: A neurodevelopmental ... horizontal and vertical meridians: Evidence in favor of a premotor theory of attention.
Neuroimaging techniques can be used not only to identify the neural substrates of attention, but also to test cognitive ... which fMRI and MEG can provide key evidence in answering these questions. ...... cific activity at 160 msec: An MEG study.
32nd European Conference on Visual Perception August 24th - 28th 2009 in ... Application: Road managers need to diagnose road signs saliency along a road ...
of neurons in the primate superior colliculus. An intracellular HRP study. Ph.D. thesis, Washington University, St. Louis. Moschovakis, A. (1996). Neural network ...
Overall, the size of the response-compatibility effect decreased ..... were tested for stereoscopic vision using the Randot E test and were required to have ..... Far. Close Intermediate. Far. Crossed Disparity. Mean r. â .65. â .70. â .70. â
removing two segments from a seven-segment box figure eight to reveal a previously ..... could subvert the attention-capturing power of an abrupt onset.
characteristic such as colour or texture and ideally these ..... e.html. [11] O. K. Oyekoya and F. W. M. Stentiford, âExploring the significance of visual attention by ...
consider that molecular species may be present in the hot regions. So, the plasma ... The 2-dimensional model that was set up was furthered by a study of the.
ciently allocated to abrupt onset under some circumstances, this may not happen in a ..... height and 1 ° in width from a viewing distance of 45 cm. The letters.
asynchronies (SOAs; 600-1200 ms) and cues of moderate validity (50%). ..... ent for 1,000 ms before the onset of the test display regardless of. SOA. The test ...
standard paradigms for measuring this behavior (Butterworth & Jar- rett, 1991 ... This behavioral sensitivity accords with accumulating ... Design and procedure.
This paper describes the problem and proposes an experiment to .... available for modification and will be combined with custom-built data analysis software, which will ... [2] F. W. M. Stentiford, âAn evolutionary programming approach to the ...